Page 3 - WARRANTY
WARRANTY Tektronix warrants that this product will be free from defects in materials and workmanship for a period of three (3) yearsfrom the date of shipment. If any such product proves defective during this warranty period, Tektronix, at its option, eitherwill repair the defective product without c...
Page 5 - VX4101A MultiPaq Instrument User Manual; Table of Contents; Getting Started
VX4101A MultiPaq Instrument User Manual i Table of Contents General Safety Summary xi . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Service Safety Summary xiii . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Preface xv . . . . . . . . . . . . . . ....
Page 6 - ii; Syntax and Commands
Table of Contents ii VX4101A MultiPaq Instrument User Manual Measuring Frequency 2–27 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Measuring Time Interval 2–28 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Measuri...
Page 7 - iii
Table of Contents VX4101A MultiPaq Instrument User Manual iii CONFigure Subsystem 3–63 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . FETCh? Subsystem 3–73 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . INITiat...
Page 8 - iv; SCPI Commands for the Relay Drivers; Status and Events; Status and Event Reporting System
Table of Contents iv VX4101A MultiPaq Instrument User Manual CALCulate Subsystem 3–202 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . CALibrate Subsystem 3–212 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . CONFigu...
Page 9 - Appendices
Table of Contents VX4101A MultiPaq Instrument User Manual v STATus : QUEStionable : CONDition? 4–16 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . STATus : QUEStionable : ENABle 4–17 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . STATus : QUEStionable : NTRans...
Page 10 - List of Figures; Switch Locations
Table of Contents vi VX4101A MultiPaq Instrument User Manual List of Figures Figure 1–1: VX4101A VXIbus Connectors, Fuses, and Switch Locations 1–7 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Figure 1–2: VX4101A Front Panel 1–8 . . . . . . . . . . . . . . . . . . ...
Page 11 - vii; List of Tables
Table of Contents VX4101A MultiPaq Instrument User Manual vii List of Tables Table 1–1: VX4101A Performance Options 1–2 . . . . . . . . . . . . . . . . . . . . . Table 1–2: Standard Accessories 1–12 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Table 1–3: Optional Accessories 1–12 . . ...
Page 12 - viii
Table of Contents viii VX4101A MultiPaq Instrument User Manual Table 4–2: VX4101 A Operational Status Register 4–5 . . . . . . . . . . . . . . . Table 4–3: Status Byte Register 4–6 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Table 4–4: IEEE 488.2 Standard Event Status Register 4–6 ...
Page 13 - ix
Table of Contents VX4101A MultiPaq Instrument User Manual ix Table A–35: Accuracy Specifications for 2-Second Aperture A–14 . . . . . . Table A–36: Accuracy Specification for v 1 Millisecond Aperture A–15 . . Table A–37: DC Input Resistance A–16 . . . . . . . . . . . . . . . . . . . . . . . . . . . ...
Page 15 - General Safety Summary; Only qualified personnel should perform service procedures.; To Avoid Fire or
VX4101A MultiPaq Instrument User Manual xi General Safety Summary Review the following safety precautions to avoid injury and prevent damage tothis product or any products connected to it. To avoid potential hazards, use thisproduct only as specified. Only qualified personnel should perform service ...
Page 16 - in injury or loss of life.; Terms on the Product.; Symbols and Terms
General Safety Summary xii VX4101A MultiPaq Instrument User Manual Terms in this Manual. These terms may appear in this manual: WARNING. Warning statements identify conditions or practices that could result in injury or loss of life. CAUTION. Caution statements identify conditions or practices that ...
Page 17 - xiii; Service Safety Summary; Do Not Service Alone.; Do not perform internal service or adjustments of this; Use Care When Servicing With Power On.; Dangerous voltages or currents may
VX4101A MultiPaq Instrument User Manual xiii Service Safety Summary Only qualified personnel should perform service procedures. Read this ServiceSafety Summary and the General Safety Summary before performing any serviceprocedures. Do Not Service Alone. Do not perform internal service or adjustments...
Page 18 - xiv
Service Safety Summary xiv VX4101A MultiPaq Instrument User Manual
Page 19 - xv; Preface; Conventions
VX4101A MultiPaq Instrument User Manual xv Preface This manual assumes you are familiar with the operation of VXIbus instrumentsand with the purpose and function of this instrument. Please read and follow all instructions for installation and configuration. Use theInstallation Checklist to ensure pr...
Page 20 - xvi
Preface xvi VX4101A MultiPaq Instrument User Manual
Page 23 - Product Description; Features
VX4101A MultiPaq Instrument User Manual 1–1 Product Description This section introduces the VX4101A MultiPaq t Instrument, and includes the following information: H The VX4101A description explains the key features, functionality, andinstruments included with the VX4101A H The physical description s...
Page 24 - Performance Options
Product Description 1–2 VX4101A MultiPaq Instrument User Manual The VX4101A is programmed by issuing ASCII characters from the systemcontroller via the VXIbus commander and the VXIbus mainframe backplane.Refer to the manual for the VXIbus device that will be the commander for detailson the operation...
Page 25 - About the Digital Input
Product Description VX4101A MultiPaq Instrument User Manual 1–3 Measurement gating comes from one of several sources, including VXI TTLtriggers, counter front panel arm, software triggers, periodic trigger, and anotherVX4101A instrument, such as SurePath t relay switched and settled. Other key featu...
Page 26 - About the Digital
Product Description 1–4 VX4101A MultiPaq Instrument User Manual Digital Input. The Digital Input has a single programmable voltage threshold for all 32 bits. The range of the input threshold voltage is from 0 volts to 20 volts. The Digital Input has 8 K samples of digital input memory, 4 K samples e...
Page 27 - About the Digital to
Product Description VX4101A MultiPaq Instrument User Manual 1–5 The Digital to Analog Converter (DAC) includes an eight-channel arbitrarywaveform generator. Waveform length can be generated with one to 1024 samplepoints at sample rates from 3.662 to 15 kHz. Signals are generated on all eightchannels...
Page 29 - Physical Description; Figure 1–1: VX4101A VXIbus Connectors, Fuses, and Switch Locations
Product Description VX4101A MultiPaq Instrument User Manual 1–7 Power-On Sequence The power-on sequence of the VX4101A meets the timing requirements of theVXIbus specification that communications may begin even if the instrument hasnot completely initialized. At either power-on or a VXIbus reset, th...
Page 30 - Logical Address Switches.; The VX4101A supports VXI dynamic addressing. It is; Controls and Indicators
Product Description 1–8 VX4101A MultiPaq Instrument User Manual Figure 1–2: VX4101A Front Panel The following logical address switches must be correctly set to ensure properoperation. Refer to Figure 1–1 for their physical locations. Logical Address Switches. The VX4101A supports VXI dynamic address...
Page 31 - LEDs
Product Description VX4101A MultiPaq Instrument User Manual 1–9 NOTE . If you do not want to use dynamic addressing, align the desired switch position with the arrow on the module shield. The physical address of the instrument is on a 64 byte boundary. If the LogicalAddress switch representing the m...
Page 32 - Fuses
Product Description 1–10 VX4101A MultiPaq Instrument User Manual Fuses The VX4101A has 6 fuses that limit the amount of current that each module candraw from the VXI backplane +5, -5.2, +24, -24, +12, and -12 V power pins.These fuses protect the module in case of an accidental shorting of the power ...
Page 33 - Commands for the SurePath Modules in this manual; Digital Input and Output
Product Description VX4101A MultiPaq Instrument User Manual 1–11 The self-test for the Counter tests the following components: H The two 4 Kb Counter measurement buffers. H Logic registers H The analog front end pre-amp offset, pre-amp inverter, and pre-amp gaindigital to analog converters (DACs). H...
Page 34 - Accessories; Table 1–2: Standard Accessories; Table 1–3: Optional Accessories
Product Description 1–12 VX4101A MultiPaq Instrument User Manual Accessories The following tables list the standard and optional accessories for the VX4101A: Table 1–2: Standard Accessories Tektronix partnumber Qty Name and description Mfr. Code Mfr. part number VX1784S 1 CONN HOODED; DE–9 FEMALE SO...
Page 35 - About the VXIplug&play Software; Device drivers
Product Description VX4101A MultiPaq Instrument User Manual 1–13 Performance Options You can purchase the following options to enhance performance of theVX4101A: Table 1–4: VX4101A Performance Options Description Option Number 500 MHz Counter Channel One andChannel Two 1C 3 GHz Counter prescaler Cha...
Page 36 - Using the VXI plug&play; Software
Product Description 1–14 VX4101A MultiPaq Instrument User Manual Double clicking on the appropriate instrument icon launches the soft front panel(SFP). The SFP displays a representation of the traditional controls andindicators for an instrument. By selecting the appropriate controls on the SFP,you ...
Page 37 - Installation; Installing the Module in the Mainframe; Tools Required
VX4101A MultiPaq Instrument User Manual 1–15 Installation This section contains the information you will need to install the VX4101AMultiPaq t Instrument and its associated software, and to verify that the instrument is functioning properly. This includes the following: H Installing the VX4101A modu...
Page 38 - Make sure that the mainframe power is Off.; Module Installation
Installation 1–16 VX4101A MultiPaq Instrument User Manual NOTE . If the VX4101A is inserted in a slot with any empty slots to the left of the module, the VME daisy-chain jumpers must be installed on the backplane inorder for the VXI Module to operate properly. Check the manual of the main-frame bein...
Page 39 - Installing the VXIplug&play Software; Use the following procedure to install the VXIplug&play software:; About the Device Drivers
Installation VX4101A MultiPaq Instrument User Manual 1–17 CAUTION. Verify that the mainframe is able to provide adequate cooling and power with this module installed. Refer to the mainframe Operating Manual forinstructions. If the mainframe cannot cool the unit adequately, the unit may notoperate pr...
Page 40 - Follow the directions of the installation program.; The files supporting the specific instruments are as follows:; For the VX4101A driver, the following files will be in the; Driver Files
Installation 1–18 VX4101A MultiPaq Instrument User Manual 3. Launch setup.exe as follows: H In Windows or Windows NT/3.x, use the File menu and select Run.Then, browse to find setup.exe or type the drive letter and program name H In Windows 95 or or Windows NT/4.x, use Start and select Run. Browseto...
Page 44 - Table 1–6: Commands Available at Power-On; Preparing the Instrument
Installation 1–22 VX4101A MultiPaq Instrument User Manual Powering-On the VX4101A The VX4101A instrument runs its interface test and is ready for communicationwithin five seconds. The VXIbus Resource Manager can add an additional delay.The Power LED will be on. The Failed LED will be off. The defaul...
Page 46 - NOTE; Querying the Instrument.; If you are using SCPI commands to control the
Installation 1–24 VX4101A MultiPaq Instrument User Manual Table 1–6: Commands Available at Power-On (Cont.) Command Syntax Description Command Type STATus:QUEStionable:ENABle? Status and EventReporting System Queries the Questionable EnableRegister for the VX4101A STATus:QUEStionable:PTRansi-tion St...
Page 47 - Functional Check
Installation VX4101A MultiPaq Instrument User Manual 1–25 The format and syntax for the command strings are described in the CommandSyntax section. A complete description if each command in alphabetical order isin the Command Descriptions section. Using VXIplug&play Device Drivers. If you are us...
Page 48 - A test of the VXIbus interface logic is performed.; Operational Check
Installation 1–26 VX4101A MultiPaq Instrument User Manual 488.2 commands can be used to run more extensive self-tests of instrumentspecific functions. During the interface test, or during a hard or soft reset, thefollowing actions take place: 1. The backplane SYSFAIL* line is asserted, indicating th...
Page 49 - Double click on the TKVX4101A icon to start the SFP. The Tektronix; SFP displays on the screen:; Launch the DMM by clicking on the DMM icon.; Click on Stopped and the DMM will take a DC Voltage measurement.; Close the DMM and launch the Counter by clicking on the icons.; Stopped button. The Counter will take a DC Voltage measurement.; Close the Counter and launch SurePath; Operational Check for
Installation VX4101A MultiPaq Instrument User Manual 1–27 To perform the operational check, do the following: 1. Double click on the TKVX4101A icon to start the SFP. The Tektronix VX4101A MultiPaq SFP displays on the screen: 2. Launch the DMM by clicking on the DMM icon. 3. Click on Stopped and the ...
Page 50 - Option 1D Operational
Installation 1–28 VX4101A MultiPaq Instrument User Manual 7. Any SurePath t modules that are installed immediately to the right of the VX4101A in the card cage will appear in the list box. Select the modulenumber that you want to use to close a relay. NOTE . If there are no SurePath t modules in the...
Page 51 - Close the the DAC and exit the Soft Front Panel; Option 1A Operational
Installation VX4101A MultiPaq Instrument User Manual 1–29 b. Digital Output: c. Relay Driver: 2. Close the Digital Input, Digital Output, and Relay Driver and do one of the following: H Exit the Soft Front Panel H Perform the operational check(s) for option 1A If you purchased Option 1A, your VX4101...
Page 52 - Installation Checklist; Notes
Installation 1–30 VX4101A MultiPaq Instrument User Manual Installation Checklist Revision Level: __________ Serial No.: __________ Mainframe Slot Number: __________ Switch Settings:__________ VXIbus Logical Address Switch: __________ Cable Installed (if any): __________ VXIplug&play software ins...
Page 53 - Operating Basics
Page 55 - About Global and Instrument Commands; About Global Commands
VX4101A MultiPaq Instrument User Manual 2–1 About Global and Instrument Commands The SCPI command set included with the VX4101A controls both overallfunctions of the MultiPaq t instrument, and commands with unique behaviors for each individual instrument associated with the MultiPaq t Instrument. Th...
Page 57 - About Synchronous Mode; About Asynchronous Mode
VX4101A MultiPaq Instrument User Manual 2–3 VX4101A Operational Modes The VX4101A MultiPaq t Instrument incorporates multiple instruments in a single C-Size VXIbus slot. This maximizes functionality while minimizing costand space. The innovative design enables you to use each instrument of theVX4101...
Page 58 - One entry in the queue is reserved for the overflow message.; Asynchronous Mode
VX4101A Operational Modes 2–4 VX4101A MultiPaq Instrument User Manual Asynchronous Protocol allows asynchronous query and command of instru-ments. When you enable the Asynchronous Mode, the VX4101A storesresponses in a queue. When you request data from this queue via a VXI read,you receive responses...
Page 59 - Asynchronous Query
VX4101A Operational Modes VX4101A MultiPaq Instrument User Manual 2–5 If the currently selected language is SYNChronous, any attempt to use anAsynchronous Mode command or query will generate the following errormessage: -210,“Settings conflict;Execute <:SYST:LANG ASYN> first” SYSTem:RQUeue:SNUM...
Page 60 - Sequence Name Format
VX4101A Operational Modes 2–6 VX4101A MultiPaq Instrument User Manual This format shows each instrument name in ASCII format. In the default, the<tag> field is defined as follows: <instrument name>:<canonical query string> The <instrument name> is the same name which would ...
Page 63 - About Instrument Triggering; Trigger Sources; Table 2–1: VX4101A Global Trigger Sources
VX4101A MultiPaq Instrument User Manual 2–9 About Instrument Triggering For digital multimeters, scanners, and sources such as the DAC and Digital I/O,it is common to think of the devices as triggering to start an operation. Forcounters, on the other hand, it is more common to think of the counter a...
Page 64 - Table 2–2: VX4101A Counter-Specific Trigger Sources
About Instrument Triggering 2–10 VX4101A MultiPaq Instrument User Manual Table 2–1: VX4101A Global Trigger Sources (Cont.) Trigger Source DMM Trigger is generated whenever the DMM has completed a measure-ment. This trigger is delayable. COUNTER Trigger is generated whenever the Counter has completed...
Page 65 - VX4101A Trigger Architecture; Fixed trigger sources are always in pass-through mode; Additional
About Instrument Triggering VX4101A MultiPaq Instrument User Manual 2–11 In addition to the above trigger sources, the Digital Multimeter (DMM), Digitalto Analog Converter (DAC), Digital Input, and Digital Output use the followingfixed source: Table 2–3: VX4101A Fixed Trigger Sources for the DMM, DA...
Page 67 - About FDC; Establish a communication session with the instrument
VX4101A MultiPaq Instrument User Manual 2–13 About Fast Data Channel (FDC) Operation The following section tells you about using the Fast Data Channel (FDC), ahigh-speed protocol for data transfer, with the VX4101A MultiPaq Instrument. The VXIplug&play driver provided with the VX4101A implements...
Page 68 - Configure and open the FDC channel; Figure 2–1: Typical FDC Process
About Fast Data Channel (FDC) Operation 2–14 VX4101A MultiPaq Instrument User Manual 2. Configure and open the FDC channel 3. Transfer data via the FDC channel 4. Close the FDC channel 5. Terminate the instrument session NOTE . The Commander/Servant hierarchical structure of the VXIbus architecture ...
Page 69 - Transferring Data from the Host to the Instrument.; Source instruments are; Data Transfers from the Instrument to the Host.; Measurement instruments are
About Fast Data Channel (FDC) Operation VX4101A MultiPaq Instrument User Manual 2–15 Before VXIbus instruments can communicate with each other, you mustestablish an I/O linkage between the instruments. The complexity of thiscommunications session varies with the host environment, but typically invol...
Page 70 - FDC Operation with the DMM and DAC; Instrument uses FDC protocol only with the Digital
About Fast Data Channel (FDC) Operation 2–16 VX4101A MultiPaq Instrument User Manual When your application program completes its FDC data transfer, you must closethe FDC channel to recover the system resources required to maintain thechannel, as well as to put the I/O connection in an appropriate st...
Page 71 - FDC Example
About Fast Data Channel (FDC) Operation VX4101A MultiPaq Instrument User Manual 2–17 Selects the FDC logical channel number. VXI[:SERVant]:FDC:SEL? Returns the FDC current logical FDC channel number. VXI[:SERVant]:FDC:OPEN <mode> [,<channel number>] Opens the selected FDC channel in the ...
Page 72 - Example Code for Configuring the FDC Channel.; Establishing a
About Fast Data Channel (FDC) Operation 2–18 VX4101A MultiPaq Instrument User Manual You must establish the I/O linkage between the host and the VX4101A DAC.You use both Word Serial Protocol (WSP) and FDC I/O drivers. Two commu-nications sessions will be required: one for WSP and one for FDC. Comman...
Page 73 - Example Code for Passing Values to the Drivers.; You can use the following; Example Code for Opening the Channel.; Other Attributes
About Fast Data Channel (FDC) Operation VX4101A MultiPaq Instrument User Manual 2–19 Since the DMM and DAC only have 1 FDC channel, the list returned by eitherdevice contains a single channel value. This physical FDC channel number ispassed to the host FDC drivers through the Host session with a viS...
Page 74 - Example Code for Querying the Channel.; The VX4101A DAC can also be programmed for an output; Transferring Data
About Fast Data Channel (FDC) Operation 2–20 VX4101A MultiPaq Instrument User Manual process varies with the VX4101A configuration and behavior at the time theOPEN command is issued. To ensure that an opened FDC channel is not used totransfer data until it is ready to do so, you should poll the FDC ...
Page 75 - Closing the FDC Channels
About Fast Data Channel (FDC) Operation VX4101A MultiPaq Instrument User Manual 2–21 Example Code for Retrieving Data. Use the following example code to retrieve the data: errs = viWrite (wsp, "VXI:FDC:BUFF 1024", 17, &RetCnt); errs = viRead(fdc, buff, sizeof(buff), &RetCount); Once ...
Page 77 - Using Asynchronous Mode; Instrument; Prerequisites; In order to get the responses shown in the following procedures,; Enter the following command to select Asynchronous Mode:; Starting Sequence
VX4101A MultiPaq Instrument User Manual 2–23 Using the VX4101A MultiPaq t Instrument This section includes guidelines and procedures for the following operations ofthe VX4101A MultiPaq t Instrument: H Using Asynchronous Mode Using Asynchronous Mode Using Asynchronous Mode, the VX4101A can return res...
Page 78 - Enter the following query for error conditions:; A VXIbus read will return the result of the counter measurement:
Using the VX4101A Multipaq Instrument 2–24 VX4101A MultiPaq Instrument User Manual 2. Enter the following query for error conditions: SYST:ERR? After a VXIbus read, the instrument returns the following response (note the<tag> field preceding the response): "VX4101A:SYST:ERR?",0,"No...
Page 81 - Using the Counter; Measuring frequency; What You Should Know About; Set input 1 impedance to 50; INIT
VX4101A MultiPaq Instrument User Manual 2–27 Using the Counter This chapter contains procedures and hardware tips for using the Counter for thefollowing measurements: H Measuring frequency H Measuring time interval H Measuring rise time What You Should Know About See the Appendix Counter Architectur...
Page 82 - Measuring Time Interval
Using the Counter 2–28 VX4101A MultiPaq Instrument User Manual Measuring Time Interval In this procedure, you will make a time interval measurement using externalgating. 1. Select the Counter: INST:SEL COUNTER 2. Set the input 1 coupling to DC: INPut:COUPling DC 3. Set input 1 impedance to 50 W : IN...
Page 83 - Measuring Rise Time; Configure the Counter to read signal Rise Time:; or; Initiate the configuration and take the measurement:; Programming Example
Using the Counter VX4101A MultiPaq Instrument User Manual 2–29 Measuring Rise Time In this procedure, you will make a rise time measurement using a 10 ns aperturetime. 1. Select the Counter: INST:SEL COUNTER 2. Set input 1 coupling to DC: INPut:COUPling DC 3. Set input 1 impedance to 50 W : INPut:IM...
Page 84 - Measuring Time Interval with Delay; Set input 2 impedance to 50; input offset voltage:; Select the Time Interval with delay by time function:
Using the Counter 2–30 VX4101A MultiPaq Instrument User Manual Measuring Time Interval with Delay 1. Select the Counter: INST:SEL COUNTER 2. Set input 1 coupling to DC: INPut:COUPling DC 3. Set input 1 impedance to 50 W : INPut:IMPedance 50 4. Set the input 1 signal lowpass filter state to On: INPut...
Page 85 - Set the time interval with delay by events:
Using the Counter VX4101A MultiPaq Instrument User Manual 2–31 This will return the time interval from the first edge on channel one to thefirst edge on channel two that is at least 1 msec later. 12. Set the aperture to minimum: SENS:APER MIN 13. Initiate the configured measurement: INIT 14. Place t...
Page 87 - Using the Digital Input; Pin Usage for Only the Digital Input.; Shared Pin Assignments
VX4101A MultiPaq Instrument User Manual 2–33 Using the Digital Input This section includes guidelines and procedures for the following operations ofthe Digital Input: H Program the Digital Input H Read the current input H Read points using external handshake What You Should Know About Upon start-up,...
Page 88 - Programming the Digital Input; Select the Digital Input as the active instrument:; FORMAT HEX; Set up the Digital Input to take 1000 postmatch measurements:; initiate; Query the amount of prematch data
Using the Digital Input 2–34 VX4101A MultiPaq Instrument User Manual Programming the Digital Input This section describes how to program the Digital Input using the describedcommand set. 1. Select the Digital Input as the active instrument: INST:SEL DIGI 2. Set the return format to hexadecimal: FORM...
Page 89 - Reading Current Input; Reading Points Using the External Handshake Feature; FORMat HEX; Set up the instrument to make 20 measurements:
Using the Digital Input VX4101A MultiPaq Instrument User Manual 2–35 Reading Current Input This procedure will show you how to read current input to the Digital Input. 1. Select the Digital Input as the active instrument: INST:SEL DIGI 2. Set the data format to hexadecimal: FORMat HEX 3. Enable all ...
Page 90 - Program the instrument for the external handshake:; trig:source handshake; Manually send 20 external input strobes
Using the Digital Input 2–36 VX4101A MultiPaq Instrument User Manual 6. Program the instrument for the external handshake: trig:source handshake 7. Manually send 20 external input strobes 8. Retrieve the number of measurements taken: fetch:count? 9. Retrieve the data taken by the measurements: Fetch...
Page 91 - Using the Digital Output; Pin Usage With Digital Input and Output Together.; About Segments and
VX4101A MultiPaq Instrument User Manual 2–37 Using the Digital Output This section includes guidelines and procedures for the following operations ofthe Digital Output: H Outputing one 32-bit word H Outputing a sequence What You Should Know About You should understand the following definitions: Segm...
Page 92 - Outputing One 32-Bit Word; Load the sample rate at the specified frequency:
Using the Digital Output 2–38 VX4101A MultiPaq Instrument User Manual Outputing One 32-Bit Word This procedure will show you how to continuously output a 32-bit word at aspecified frequency with the Digital Output. 1. Select the Digital Output: INST:SEL DIGO 2. Load the first memory location: TRACe ...
Page 93 - Outputing a Sequence; Set the output sample frequency to 1 kHz:
Using the Digital Output VX4101A MultiPaq Instrument User Manual 2–39 Outputing a Sequence This procedure will show you how to output a sequence of x segments of ypoints with the Digital Output. The internal clock is set to 1 kHz. 1. Select the Digital Output: INST:SEL DIGO 2. Define the number of d...
Page 95 - Using the Digital Multimeter; MEASure and CONFigure
VX4101A MultiPaq Instrument User Manual 2–41 Using the Digital Multimeter This section shows you how to make the following types of measurements withthe Digital Multimeter (DMM): H DC Voltage H AC Voltage H Resistance H Current What You Should Know About The following command subsystems enable you t...
Page 96 - About Low Level DC
Using the Digital Multimeter 2–42 VX4101A MultiPaq Instrument User Manual might receive errors resulting from this impedance. A voltage divider circuit iscreated by the measurement source impedance and the VX4101A inputimpedance. For example, a 1000 W source impedance loaded by the VX4101A 10 M W in...
Page 97 - About Power Line Noise
Using the Digital Multimeter VX4101A MultiPaq Instrument User Manual 2–43 Three sets of common mode specifications are provided for the VX4101A: H DC Common Mode Rejection H AC Common Mode Rejection H AC Effective Common Mode Rejection Power line noise is generally at a frequency of 60 Hz or 50 Hz d...
Page 98 - Making a DC Volt Measurement; Do the following to perform a DC voltage measurement on the DMM:; Configure the DMM to take a DC measurement in the 30 V range with; Making AC Volt Measurements; with minimum resolution:; Hardware Tips
Using the Digital Multimeter 2–44 VX4101A MultiPaq Instrument User Manual Making a DC Volt Measurement This procedure will show you how to make a DC measurement with the DMM. DC voltage measurements are made by connecting to pins 6 V+ and 1 V– of theD-sub connector. Do the following to perform a DC ...
Page 99 - Initiate and acquire the AC V measurement:; Making a 2-Wire Resistance Measurement; -wire resistance measurements are made by connecting to
Using the Digital Multimeter VX4101A MultiPaq Instrument User Manual 2–45 NOTE . To make a DC coupled AC voltage measurement, use ACDC in place of AC in the CONF:VOLT:AC command 3. Initiate and acquire the AC V measurement: INIT 4. Return the AC V measurement: FETCh? Making a 2-Wire Resistance Measu...
Page 100 - Making a Current Measurement
Using the Digital Multimeter 2–46 VX4101A MultiPaq Instrument User Manual Making a Current Measurement Current measurements are made by connecting to pins 7 (I+) and 3 (I–) of theD-sub connector. Making a current measurement results in a voltage drop, known as burdenvoltage, across the VX4101A curre...
Page 101 - Using the Digital to Analog Converter (DAC); Key Concepts
VX4101A MultiPaq Instrument User Manual 2–47 Using the Digital to Analog Converter (DAC) This section contains the following procedures for using the DAC: H Generating continuous and multiple waveforms H Generating repetitive waveforms H Reading a trace from the DAC in binary H Using the sample hand...
Page 102 - Generating Continuous and Multiple Waveforms; DAC Trigger Modes
Using the Digital to Analog Converter (DAC) 2–48 VX4101A MultiPaq Instrument User Manual If the waveform repetition mechanism is enabled, the repetition period must begreater than or equal to the waveform period. Calculate the waveform period asfollows: Sample Period * Number of Points The DAC has t...
Page 103 - Select the DAC with the following command:
Using the Digital to Analog Converter (DAC) VX4101A MultiPaq Instrument User Manual 2–49 Perform the following steps: 1. Select the DAC with the following command: INST:SEL DAC 2. Enter the following command to set the number of data points used in the waveforms: TRACe:POINts32 3. Enter the next com...
Page 104 - Generating Repetitive Waveforms; As before, you will use Numeric Array Lists.
Using the Digital to Analog Converter (DAC) 2–50 VX4101A MultiPaq Instrument User Manual Generating Repetitive Waveforms This procedure shows you how to generate the same waveforms as in theprevious example, with continuous output, at a repetition frequency of 50 Hz. As before, you will use Numeric ...
Page 105 - Reading a Trace from the DAC in Binary; Select the DAC as the active instrument:; FORMAT BIN; Read the value of the third data point from channel 8:; FORMAT ASCII
Using the Digital to Analog Converter (DAC) VX4101A MultiPaq Instrument User Manual 2–51 9. Enter the following command to initialize a continuous DAC output of signals: INIT:CONT ON 10. Enter the following command to abort the signals currently being generated: INIT:CONT OFF Reading a Trace from th...
Page 106 - Using the Sample Handshake Mechanism; Perform the following steps:
Using the Digital to Analog Converter (DAC) 2–52 VX4101A MultiPaq Instrument User Manual Using the Sample Handshake Mechanism The handshake mechanism is similar to external trigger except that it adds asecond signal to notify the unit under test that the instrument is ready to acceptthe next trigger...
Page 107 - Programming a Trace with a Numeric Array List
Using the Digital to Analog Converter (DAC) VX4101A MultiPaq Instrument User Manual 2–53 5. Program channel 1, starting at index 1 to a 10 Vpp triangle waveform: TRAC 1,1,1,2,3,4,5,6,7,8,9,10,9,8,7,6,5,4,3,2,1,0,-1,-2,-3,-4,-5,- 6,-7,-8,-9,-10,-9,-8,-7,-6,-5,-4,-3,-2,-1,0 6. Program a sequence of 10...
Page 109 - Using the Relay Drivers; You can perform the following operation with the Relay Drivers:; Opening and Closing Relays; Select the Relay Drivers as the active instrument:; INSTrument:SELect RDRIV; Enter the following command to verify which relays are closed:
VX4101A MultiPaq Instrument User Manual 2–55 Using the Relay Drivers You can perform the following operation with the Relay Drivers: H Opening and closing relays Opening and Closing Relays This procedure shows you how to open and close the relay drivers. Theprocedure is as follows: 1. Select the Rel...
Page 111 - INSTrument:SELect SUREPATH; Enter the following command to assign the close dwell:; SurePath
VX4101A MultiPaq Instrument User Manual 2–57 Using the SurePath t Modules You can perform the following operations with the SurePath t modules: H Closing a relay H Opening a relay What You Should Know About The procedure demonstrates closing a relay on a VX4330 SurePath t module. You can use a simil...
Page 115 - About Protocol and Syntax; Command protocol and syntax for the VX4101A Module are as follows:
VX4101A MultiPaq Instrument User Manual 3–1 Command Syntax About Protocol and Syntax Command protocol and syntax for the VX4101A Module are as follows: H The following is a command for the DMM: CONFigure[:SCALar][:VOLTage]:DC [<expectedvalue> [,<resolution>]] Each of the following comman...
Page 117 - Command Elements
Command Syntax VX4101A MultiPaq Instrument User Manual 3–3 should not be sent. If an optional field is omitted, the default for thecommand is applied [ ] Brackets indicate an optional field | A bar indicates a logical OR choice : A colon is used to separate command fields < > Field indicator T...
Page 119 - SCPI Commands for the VX4101A; Querying different firmware versions; Command Summary; CALibrate:ROSCillator; Commands; ABORt Subsystem
VX4101A MultiPaq Instrument User Manual 3–5 SCPI Commands for the VX4101A This section summarizes the SCPI commands that control overall functions ofthe VX4101A, including: H Querying different firmware versions H Querying measurement options H Selecting which instrument to use H Selecting the IEEE ...
Page 120 - OUTput Subsystem
SCPI Commands for the VX4101A 3–6 VX4101A MultiPaq Instrument User Manual Commands OUTPut:EXTernal:SOURce <ext source> OUTPut:TTLTrg[<N>]:SOURce <trig source> Queries OUTPut:EXTernal:SOURce:CATalog? OUTPut:EXTernal:SOURce? OUTPut:TTLTrg[<N>]:SOURce? OUTPut:TTLTrg[<N>]:S...
Page 121 - INITiate
SCPI Commands for the VX4101A VX4101A MultiPaq Instrument User Manual 3–7 Commands TRIGger([:SEQuence1]|:STARt)[:LAYer]:FIRe<command trigger> TRIGger ([:SEQuence1]|:STARt)[:LAYer]:TIMer <timer seconds> Queries TRIGger([:SEQuence1]|:STARt)[:LAYer]:TIMer? ABORt Subsystem ABORt:COMPlete ABO...
Page 122 - Query Response
SCPI Commands for the VX4101A 3–8 VX4101A MultiPaq Instrument User Manual NOTE . While the instrument is initiated, any command or query which would cause the instrument to change its configuration or start a new measurement willfirst cause the instrument to abort immediately. After this implicit ab...
Page 123 - CALibrate Subsystem
SCPI Commands for the VX4101A VX4101A MultiPaq Instrument User Manual 3–9 Command Response ABOR FETC:COUN? 153 FETC:COUN? 153 NOTE . After the ABORt command, the instrument will take no more measure- ments. CALibrate Subsystem CALibrate:ROSCillator :CLEar :MANual <frequency> N/A Parameter Valu...
Page 124 - Examples
SCPI Commands for the VX4101A 3–10 VX4101A MultiPaq Instrument User Manual CALibrate:ROSCillator:MANual <frequency> This command allows you to manually specify the calibrated frequency to beused for the currently selected reference oscillator. The specified frequency valueis stored in non-vola...
Page 125 - INSTrument Subsystem
SCPI Commands for the VX4101A VX4101A MultiPaq Instrument User Manual 3–11 INSTrument Subsystem INSTrument:NSELect <instrument id> INSTrument[:SELect] <instrument name> INSTrument:CATalog? :FULL? :LONG? INSTrument:COUNt? INSTrument:NSELect? INSTrument[:SELect]? Parameter Values <instr...
Page 128 - OUTPut Subsystem
SCPI Commands for the VX4101A 3–14 VX4101A MultiPaq Instrument User Manual OUTPut Subsystem OUTPut:EXTernal:SOURce <ext source> OUTPut:TTLTrg[<N>]:SOURce <trig source> OUTPut:EXTernal:SOURce:CATalog? OUTPut:EXTernal:SOURce? OUTPut:TTLTrg[<N>]:SOURce? OUTPut:TTLTrg[<N>]:...
Page 130 - SOURce Subsystem
SCPI Commands for the VX4101A 3–16 VX4101A MultiPaq Instrument User Manual SOURce Subsystem SOURce:ROSCillator[:SOURce] <source> SOURce:ROSCillator[:SOURce]:VALue <frequency> SOURce:ROSCillator[:SOURce]? SOURce:ROSCillator[:SOURce]:VALue? Parameter Values <source> INTernal <freq...
Page 132 - SYSTem Subsystem
SCPI Commands for the VX4101A 3–18 VX4101A MultiPaq Instrument User Manual SYSTem Subsystem SYSTem:LANGuage <language> SYSTem:RQUeue :QMODe <qmode> :SNUMber[:SET] <snumber> :SNUMber:STATe <state> SYSTem:TIMeout <timeout in seconds> SYSTem:ERRor? SYSTem:LANGuage? SYSTem ...
Page 133 - Related Commands
SCPI Commands for the VX4101A VX4101A MultiPaq Instrument User Manual 3–19 Parameter Values <timeout> 0, disable timeout1–100,000 seconds SYSTem:READy? 0|1 N/A SYSTem:LANGuage <language> This command enables or disables the IEEE 488.2 Message Exchange ProtocolEnforcer (MEPE). MEPE is ena...
Page 135 - Table 3–1: Commands Available at Power-On
SCPI Commands for the VX4101A VX4101A MultiPaq Instrument User Manual 3–21 You use this query to determine if full power-on initialization has completed forall instruments and that all commands and queries are available. A return valueof (1) indicates that initialization is complete and that all com...
Page 140 - TRIGger Subsystem
SCPI Commands for the VX4101A 3–26 VX4101A MultiPaq Instrument User Manual SYSTem:TIMeout Command Response SYST:TIM 10 INST:SEL DMM CONF:ARR:VOLT:DC512,MAX READ? <wait 10 seconds> TIMEOUT SYSTem:VERSion? Command Response SYST:VERS? 2.0.0 TRIGger Subsystem TRIGger([:SEQuence1]|:STARt)[:LAYer]:F...
Page 141 - Command Description
SCPI Commands for the VX4101A VX4101A MultiPaq Instrument User Manual 3–27 TRIGger ([:SEQuence1] |:STARt)[:LAYer]:FIRe <command trigger> Generates one of five software triggers: COMMAND0 through COMMAND4. TRIGger ([:SEQuence1] |:STARt)[:LAYer]:TIMer <timer seconds> Sets or queries the va...
Page 143 - SCPI Commands for the Counter; ARM Subsystem
VX4101A MultiPaq Instrument User Manual 3–29 SCPI Commands for the Counter This section contains SCPI commands for the Universal Counter (Counter). Thecommands are organized by command subsystem. Some commands within eachsubsystem are organized by type of command rather than in alphabetical order.Th...
Page 144 - ENVelope; CALCulate Subsystem
SCPI Commands for the Counter 3–30 VX4101A MultiPaq Instrument User Manual ARM(:SEQuence2|:STOP) [:LAYer] :DELay? :ECOunt? :SOURce? :CATalog[:ALL]? :DELayable? :FIXed? Commands CALCulate:LIMit :ENVelope[:DATA] <threshold1>,<threshold2> :LOWer[:DATA] <threshold> :UPPer[:DATA] <th...
Page 146 - Queries
SCPI Commands for the Counter 3–32 VX4101A MultiPaq Instrument User Manual CONFigure[1|2|11|12|21|22]([:SCALar]|:ARRay) :TINTerval:DELay:TIME|EVENts [<array size>[,<delay time>|<delay events>[,<expected value>[,resolution>]]]]] CONFigure[1|2|10|20]([:SCALar]|:ARRay) :TOTal...
Page 147 - INITiate Subsystem
SCPI Commands for the Counter VX4101A MultiPaq Instrument User Manual 3–33 Commands INITiate[:IMMediate] INITiate:CONTinuous [ON]|OFF|O|1 Queries INITiate:CONTinuous? Commands INPut[1|2] :ATTenuation <attenuation>|DEFault|MINimum|MAXimum :COMParator[1|2]:LEVel [:ABSolute]<absolute level>...
Page 148 - INSTrument
SCPI Commands for the Counter 3–34 VX4101A MultiPaq Instrument User Manual :HYSTeresis [:ABSolute]? [DEFault|MINimum|MAXimum] :RELative? :COUPling? [DEFault] :IMPedance? [DEFault] :FILTer[:LPASs] :FREQuency?[MINimum|MAXimum|DEFault] [:STATe]?[DEFault] :GAIN? [DEFault|MINimum|MAXimum] :OFFSet [:ABSol...
Page 152 - Command Class
SCPI Commands for the Counter 3–38 VX4101A MultiPaq Instrument User Manual :SLOPe? :SOURce? :CATalog[:ALL]? :DELayable? :FIXed? ARM(:SEQuence2|:STOP) [:LAYer] :DELay? :ECOunt? :SOURce? :CATalog[:ALL]? :DELayable? :FIXed? Instrument (Counter) Parameter Value <time delay> 0 seconds (pass-through...
Page 153 - The following summarizes the ARM subsystem functionality:
SCPI Commands for the Counter VX4101A MultiPaq Instrument User Manual 3–39 Parameter Value <slope> POSitive | NEGative <source> BUS, TTLTRG0, TTLTRG1, TTLTRG2, TTLTRG3, TTLTRG4,TTLTRG5, TTLTRG6, TTLTRG7, COMMAND0, COMMAND1,COMMAND2, COMMAND3, COMMAND4, SUREPATH, DMM,COUNTER, CTR_EXTARM, ...
Page 158 - See ARM:LEVel example
SCPI Commands for the Counter 3–44 VX4101A MultiPaq Instrument User Manual Command Response ÁÁÁÁÁÁÁÁÁ Á ÁÁÁÁÁÁÁ Á ÁÁÁÁÁÁÁÁÁ ARM:MODE ONCE ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ Á ÁÁÁÁÁÁÁÁÁÁÁÁÁÁ Á ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ Sets up Counter to take one measurement and then re-enterthe initiated state. ÁÁÁÁÁÁÁÁÁ ÁÁÁÁÁÁÁÁÁ ARM:SOUR CO...
Page 170 - CALCulate:SDEViation
SCPI Commands for the Counter 3–56 VX4101A MultiPaq Instrument User Manual CALCulate:MINimum Command Response inst:sel ctr Selects the Counter CALC:MINimum? Finds the minimum value CALCulate:MAXimum Command Response inst:sel ctr Selects the Counter CALC:MAXimum? Finds the maximum value CALCulate:SDE...
Page 174 - Table 3–3: Input Calibration Source Settings
SCPI Commands for the Counter 3–60 VX4101A MultiPaq Instrument User Manual correction factors for the Counter attenuation and gain settings. This commandrequires an input calibration source set to the <input voltage> values below( ± 0.1%). Table 3–3: Input Calibration Source Settings <input...
Page 177 - CONFigure Subsystem
SCPI Commands for the Counter VX4101A MultiPaq Instrument User Manual 3–63 CALibrate [3] :ROSCillator <input frequency> Command Response/Description SOUR:ROSC INT;SYST:ERR? –313,“Calibration memory lost; VX4101; Reference OscillatorUncalibrated” Display the reference oscillator error SOUR:ROSC...
Page 179 - Characteristics of All CONFigure Commands; gain is set to 1
SCPI Commands for the Counter VX4101A MultiPaq Instrument User Manual 3–65 Parameter Value <array size> 1 <delay time> 1E–6 <delay events> 1000 <dcycle reference> 50 <pwidth reference> 50 <low reference> 10 <high reference> 90 Parameters Value <array size...
Page 180 - Aperture Characteristics; aperture
SCPI Commands for the Counter 3–66 VX4101A MultiPaq Instrument User Manual Aperture Characteristics The aperture is set for all measurement commands except for totalize as follows: If the optional resolution argument is not specified, then aperture is set to thedefault value. If the optional expecte...
Page 189 - If a single measurement is made, the format of the returned value is:
SCPI Commands for the Counter VX4101A MultiPaq Instrument User Manual 3–75 Parameter Value <count> 1 to 1000 <start> 1 to 1000 <step> 1 to 1000 CONFigure, SENSe N/A FETCh[:...]? [<count>[,<start>[,<step>]]] If a single measurement is made, the format of the return...
Page 191 - READ
SCPI Commands for the Counter VX4101A MultiPaq Instrument User Manual 3–77 FETCh[:...]? Command Response meas:arr:freq? 5 #3114 1.000028872529214e+07, 1.000028882397919e+07,1.000028897200977e+07, 1.000028892266624e+07,1.000028879930743e+07 FETCh:TOTalize? Command Response meas:tot? “9179, 0” fetc? “...
Page 192 - INPut Subsystem
SCPI Commands for the Counter 3–78 VX4101A MultiPaq Instrument User Manual INITiate:CONTinuous Measurements are continuously made until a *RST or ABORt command is usedwhile the Counter is continuously making measurements, the FETCh? commandmay be used to return the results of the most recently compl...
Page 193 - Query Syntax
SCPI Commands for the Counter VX4101A MultiPaq Instrument User Manual 3–79 :OFFSet [:ABSolute]<absolute offset>|DEFault|MINimum|MAXimum :RELative <relative offset> :SETup <expected ptp>[,<expected offset>] INPut [1|2]:SETup:AUTO <auto> INPut[1|2] :ATTenuation? [DEFault|...
Page 198 - Table 3–4: Optimum Sensitivity Settings; This command will abort any command in progress.
SCPI Commands for the Counter 3–84 VX4101A MultiPaq Instrument User Manual Table 3–4: Optimum Sensitivity Settings Measurement Gain Filter <20 MHz X10 20 MHz <100 MHz X5 100 MHz <500 MHz X2.5 None INPut[1|2]:OFFSet[:ABSolute] <absolute offset>|MINimum|MAXimum|DEFault This command sets...
Page 202 - The channel one input signal is a 0.5 V
SCPI Commands for the Counter 3–88 VX4101A MultiPaq Instrument User Manual INPut[1|2]:OFFSet[:ABSolute] The channel one input signal is a 0.5 V p-p sine wave with a +.25 VDC compo- nent and the user wishes to remove the DC component with the INPut:OFFsetcommand. Command Response INSTrument:SELect Co...
Page 209 - This command will modify the following:
SCPI Commands for the Counter VX4101A MultiPaq Instrument User Manual 3–95 If both <expected value> and <resolution> are used the aperture is calculated asfollows: aperture + 10 (–9 ) log t expected u* log t resolution u ) with a minimum of 1e–8 and a maximum of five seconds. A longer ap...
Page 216 - SENSe Subsystem; Implied Abort
SCPI Commands for the Counter 3–102 VX4101A MultiPaq Instrument User Manual READ? Subsystem N/A READ? The read query causes an INITiate:IMMediate action and a FETCh? query. Seethe INITiate and FETCh command descriptions. N/A N/A INITiate, FETCh? N/A SENSe Subsystem The SENSe commands enable you to s...
Page 218 - CONFigure and MEASure commands also set the aperture.
SCPI Commands for the Counter 3–104 VX4101A MultiPaq Instrument User Manual Parameter Value <array size> 1 <time> 1e–01 <#of events> 1E to 3 <mode> APERture SENSe[1|2|3]:FUNCtion “FREQ” SENSe[1|2|10|11|12|20|21|22]:FUNCtion “FREQ” <time delay> le–6 <event delay> 1...
Page 224 - STATus Subsystem
SCPI Commands for the Counter 3–110 VX4101A MultiPaq Instrument User Manual N/A SOURce:COSCillator[:SOURce] ROSCillator|TCXO1 This command selects the source of the Counter reference oscillator. Choices arethe VX4101A Reference Oscillator (ROSCILLATOR) or the TemperatureControlled Crystal Oscillator...
Page 227 - TEST Subsystem; Two 4 Kb Counter measurement buffers
SCPI Commands for the Counter VX4101A MultiPaq Instrument User Manual 3–113 TEST Subsystem The TEST subsystem handles the self test operations of the instrument. TheCounter self test tests the Counter memory, the Read/Write hardware controlregisters, the analog front end, and a 2.5 MHz test signal. ...
Page 228 - UNIT Subsystem; radians. Selecting AUTo will start as MINimum,
SCPI Commands for the Counter 3–114 VX4101A MultiPaq Instrument User Manual UNIT Subsystem The UNIT subsystem command specifies the units for the phase measurementsas either degrees or radians and determines whether the units will be positive orcentered around zero. UNIT:ANGLe <units>[,<zer...
Page 229 - SCPI Commands for the Digital Input; CALibration Subsystem
VX4101A MultiPaq Instrument User Manual 3–115 SCPI Commands for the Digital Input This section contains the SCPI commands for the Digital Input. You can use thecommands to calibrate the instrument, prepare it for operation, or to trigger ameasurement. Command Summary The following is a listing of th...
Page 230 - FORMat Subsystem
SCPI Commands for the Digital Input 3–116 VX4101A MultiPaq Instrument User Manual :DIBit [:NORMal] <repetitions>,<voltage_threshold>,<channel_bit_list> :INVerted <repetitions>,<voltage_threshold>,channel_bit_list> Queries CONFigure? Queries FETCh? [<count>[<...
Page 239 - This subsystem defines the format for returned data.
SCPI Commands for the Digital Input VX4101A MultiPaq Instrument User Manual 3–125 FORMat Subsystem This subsystem defines the format for returned data. FORMat[:DATA] <format> FORMat[:DATA]? Parameter Value <format> HEX Parameter Value <format> INTeger|HEXadecimal|BINary N/A INT|HEX...
Page 242 - MEASure Subsystem
SCPI Commands for the Digital Input 3–128 VX4101A MultiPaq Instrument User Manual MEASure Subsystem The MEASure subsystem configures and initiates a measurement, and thenreturns the results. N/A MEASure[:SCALar] :DIGLobal [:NORMal]? <voltage_threshold> :INVerted? <voltage_threshold> :DIP...
Page 243 - Data is returned in the following format:
SCPI Commands for the Digital Input VX4101A MultiPaq Instrument User Manual 3–129 Parameter Value <NORMal|INVerted> NORM <voltage_threshold> 2.3 V <input_mask> #hffffffff <repetitions> 1 <numeric_port_list> (1:4) <channel_bit_list> (@1:32) Parameter Value <NORM...
Page 245 - The SENSe subsystem sets up the instrument to take a measurement.
SCPI Commands for the Digital Input VX4101A MultiPaq Instrument User Manual 3–131 CONFigureFETCh?INITiate This query performs an INITiate, followed by a FETCh? query. The number ofdata points read, voltage threshold and bits read are setup with a CONFigure orSENSe command. READ? returns the complete...
Page 247 - Resolution
SCPI Commands for the Digital Input VX4101A MultiPaq Instrument User Manual 3–133 Parameter Value <channel_bit_list> 1-4 <port_list> 1-4 <sample rate> 3.662-48000.0 <voltage threshold 0.00-20.000 Command or Query Value SENSe:SRATe? (240e+03/n) where 5 n 65536 SENSe:THReshold? 5 ...
Page 261 - SCPI Commands for the Digital Output
VX4101A MultiPaq Instrument User Manual 3–147 SCPI Commands for the Digital Output The Digital Output command syntax enables you to control the 32 output bits ofthe instrument. The bits can be programmed with pattern segment lengths to amaximum of 4096 sample points. If not all of the 32 bits are re...
Page 263 - This subsystem formats return data.
SCPI Commands for the Digital Output VX4101A MultiPaq Instrument User Manual 3–149 Queries TRIGger([:SEQuence1]|:STARt)[:LAYer]:DELay? TRIGger([:SEQuence1]|:STARt)[:LAYer]:ECOunt? TRIGger([:SEQuence1]|:STARt)[:LAYer]:HANDshake:POLarity :REQuest? :STRobe? TRIGger([:SEQuence1]|:STARt)[:LAYer]:MODE? TR...
Page 266 - ABORt
SCPI Commands for the Digital Output 3–152 VX4101A MultiPaq Instrument User Manual INITiate:CONTinuous Command Response INST:SEL:DIGO INITCONT:ON INSTrument Subsystem The INSTrument subsystem aborts, resets, or selects the Digital Outputinstrument. INSTrument:ABORt([:IMMediate]|COMPlete) INSTrument:...
Page 271 - TRACe Subsystem
SCPI Commands for the Digital Output VX4101A MultiPaq Instrument User Manual 3–157 *TST? Initiates the Digital Output self test operation and returns one of two possibleresponses: “DIGO: Self-Test Passed” “DIGO: Self-Test Failed” NOTE . If the test fails, you can obtain further information on the fa...
Page 272 - The CLEAr command does not alter the points register.
SCPI Commands for the Digital Output 3–158 VX4101A MultiPaq Instrument User Manual Parameter Value TRACe:INDice? 0,0 <number_of_points> 1 <repeat_frequency> 48000 <repeat_period> 0 <sample_rate> 48000 Parameter Value <indice> 1-4096 <index> 1-4096 TRACe:INDice? 1 ...
Page 283 - SCPI Commands for the Digital to Analog Converter; The command syntax for the DAC is as follows:
VX4101A MultiPaq Instrument User Manual 3–169 SCPI Commands for the Digital to Analog Converter This section includes a summary of SCPI commands you can use to control theDigital to Analog Converter (DAC) of the VX4101A MultiPaq Instrument. The commands enable you to calibrate the instrument, define...
Page 290 - OUTPUT Subsystem; A single DAC output point. At the end of a sample, the DAC output
SCPI Commands for the Digital to Analog Converter 3–176 VX4101A MultiPaq Instrument User Manual INSTrument:RESet Command Response/Description INST:SEL DAC Selects the DAC INIT:CONT ON Initiates the DAC instrument INST:RES Resets the DAC to default state INST:SEL? Query returns DAC OUTPUT Subsystem T...
Page 302 - Trigger Subsystem
SCPI Commands for the Digital to Analog Converter 3–188 VX4101A MultiPaq Instrument User Manual Trigger Subsystem The TRIGger subsystem commands control the DAC trigger operation. TheDAC supports trigger commands that initiate continuous DAC output operation. TRIGger([:SEQuence1]|:STARt)[:LAYer]:DEL...
Page 311 - Instrument. You can use these commands to open and close relays,; The following lists the available commands for the relay drivers:; ROUTe Subsystem
VX4101A MultiPaq Instrument User Manual 3–197 SCPI Commands for the Relay Drivers This section contains the SCPI commands for the Relay Drivers of the VX4101AMultiPaq Instrument. You can use these commands to open and close relays, direct signals through the 8 relay drivers, and inquire on device st...
Page 313 - The STATus subsystem queries the status of the Relay Drivers
SCPI Commands for the Relay Drivers VX4101A MultiPaq Instrument User Manual 3–199 [ROUTe]CLOSe:STATe? Command Response ROUT:CLOSe(@1,3,5,7) Closes relay drivers 1,3,5, and 7 ROUTe:CLOSe:STATe? “01010101” Queries which relay drivers are closed ROUT:OPEN(@1,3,5,7) Opens relay drivers 1,3,5, and 7 STAT...
Page 315 - SCPI Commands for the Digital Multimeter; Instrument. You can use the
VX4101A MultiPaq Instrument User Manual 3–201 SCPI Commands for the Digital Multimeter This section contains summaries of SCPI commands for the Digital Multimeter(DMM) instrument in the VX4101A MultiPaq Instrument. You can use the commands to calibrate the instrument, define the types of measurement...
Page 332 - Do not send only the CONFigure command followed by a CALIbra-
SCPI Commands for the Digital Multimeter 3–218 VX4101A MultiPaq Instrument User Manual The CALibrate:VALue command is used to perform the calibration. The set ofmodes and ranges that must be calibrated are as follows: DC (10 G W input impedance), 0.030, 0.300, 3.00 V ranges DC (10 M W input impedanc...
Page 333 - Table 3–5: Limits of Calibration Input
SCPI Commands for the Digital Multimeter VX4101A MultiPaq Instrument User Manual 3–219 Table 3–5: Limits of Calibration Input Mode/Range Low Limit High Limit DC Gain, All Ranges 65% 100% AC/DC Null, 30 mV Range 30% 40% AC/DC Null, other Ranges 3.33% 25% AC/DC Gain, All Ranges 65% 100% 4 wire Resista...
Page 339 - Table 3–6: Meaning of Returned String
SCPI Commands for the Digital Multimeter VX4101A MultiPaq Instrument User Manual 3–225 Table 3–6: Meaning of Returned String Returned Meaning AutoRange OFF The state of the autorange enable (ON | OFF | ONCE) AutoZero OFF The state of the autozero enable (ON | OFF) Aperture=0.00166667 The aperture se...
Page 340 - CONFigure
SCPI Commands for the Digital Multimeter 3–226 VX4101A MultiPaq Instrument User Manual Parameter Value <Count> 1-4096 <Offset> 1-4096 <Step Size> 1-4096 MEASure? CONFigure SENSe INPUt INITiate *STB? N/A FETCh:COUNt? The FETCh:COUNt? query returns the number of measurements acquired...
Page 351 - “DIGO Self-Test Passed”
SCPI Commands for the Digital Multimeter VX4101A MultiPaq Instrument User Manual 3–237 Command/Query Response/Description meas:resistance? CONF? +12.3456<LF> :SCAL:RES 30,0.0001 Perform a 2-wire, autorange resistance measurement. Thedefault resolution is used to set the aperture to 200 ms. Iss...
Page 352 - The READ queries enable you to initiate and acquire a measurement.
SCPI Commands for the Digital Multimeter 3–238 VX4101A MultiPaq Instrument User Manual NOTE . If the test fails, you can obtain further information on the failure with the SYST:ERR? query. Command Response INSTRUMENT:SELECT DIGO Select the Digital Output TEST:ALL? “Digital Output passes self test.” ...
Page 373 - SCPI Commands for the SurePath; This section lists the SCPI commands and queries for the SurePath; Subsystem
VX4101A MultiPaq Instrument User Manual 3–259 SCPI Commands for the SurePath Modules This section lists the SCPI commands and queries for the SurePath Scanner master. This section is not a comprehensive listing of all SurePath commands. The commands listed in this section apply specifically to the V...
Page 375 - The INItiate commands perform the following operations:
SCPI Commands for the SurePath Modules VX4101A MultiPaq Instrument User Manual 3–261 :CATalog[:ALL]? :CATalog:DELayable? :CATalog:FIXed? NOTE . The Examples used in the command summaries are for illustrative purposes only and apply only to the VX4380 model of the SurePath Modules. INITiate Subsystem...
Page 378 - commands are as follows:
SCPI Commands for the SurePath t Modules 3–264 VX4101A MultiPaq Instrument User Manual ROUTe Subsystem These commands determine the specific path that signals will take through thespecific modules. The parameters used in SCPI/IEEE 488.2 commands andcommand descriptions for the commands are as follow...
Page 381 - For example, the command
SCPI Commands for the SurePath Modules VX4101A MultiPaq Instrument User Manual 3–267 <channel_list> Channels Specified (@m4(1!1!1:1!16!1)) Same as the previous example (@m4(1!1!1:2!3!4)) Channels 1!1!1, 1!1!2, 1!1!3, 1!1!4, 1!2!1, 1!2!2, 1!2!3, 1!2!4,1!3!1, 1!3!2, 1!3!3, 1!3!4, 2!1!1, 2!1!2, 2...
Page 390 - Module in these commands has been assigned
SCPI Commands for the SurePath Modules 3–276 VX4101A MultiPaq Instrument User Manual [ROUTe:]CLOSe <channel_list> The following sequence of commands illustrates the operation of sections thathave been assigned a close mode of mux. The VX4330 in these examples hasbeen assigned a module name of ...
Page 392 - The current relay in the scan list is opened.
SCPI Commands for the SurePath Modules 3–278 VX4101A MultiPaq Instrument User Manual After this, each time the VXI TTL trigger 2 is pulsed low, the followingsequence of events occurs: 1. One second delay. This is the delay specified in the trigger:Sequence:delay command. 2. The current relay in the ...
Page 401 - self test tests the control logic and data path for the SurePath
SCPI Commands for the SurePath Modules VX4101A MultiPaq Instrument User Manual 3–287 Bit Function Definition 6 Arming Not used 7 Correcting Not used 8 Testing (User 1) Set when self-test is in progress 9 Aborting (User 2) Set when the instrument is in the process of aborting anoperation. Cleared whe...
Page 411 - Table 3–12: Counter Front Panel Arm Reset Values
IEEE-488.2 Common Commands VX4101A MultiPaq Instrument User Manual 3–297 *RST N/A Global N/A The following are reset values for the components in the VX4101A MultiPaq : Table 3–11: VX4101A Reset Values Characteristic Description Communication Protocol Synchronous (IEEE 488.2) Reference Oscillator So...
Page 415 - Global
IEEE-488.2 Common Commands VX4101A MultiPaq Instrument User Manual 3–301 Command Response INST:SEL DMM CONF:FRES CONF? “:SCAL:FRES 3e+08,180000” *RST INST:SEL DMM CONF? “:SCAL:VOLT:DC 300,0.001” *SRE Global N/A 0–255 N/A Sets the contents of the IEEE 488.2 Service Request Enable Register. Thecontent...
Page 423 - places
VX4101A MultiPaq Instrument User Manual 4–1 Status and Event Reporting System The VX4101A Status system uses a hierarchical set of registers to provide statusinformation on all instruments. The structure of each instrument register iscomposed of a set of three registers and two transition registers ...
Page 425 - Figure 4–2: Instrument Operational Status Registers
Status and Event Reporting System VX4101A MultiPaq Instrument User Manual 4–3 Instrument NSummary Bit VX4101A Operational Status register (See Figure 4–1) CALibrating SETTling RANGing SWEeping MEASuring TRIGgering ARMing CORRecting Instrument Defined 1 (ABORting)Instrument Defined 2 (MATChed) Instru...
Page 427 - Table 4–2: VX4101 A Operational Status Register
Status and Event Reporting System VX4101A MultiPaq Instrument User Manual 4–5 Table 4–2: VX4101 A Operational Status Register Bit # Name Description 1 Surepath Summary Summary bit from Surepath OSR 2 DMM Summary Summary bit from DMM OSR 3 Counter Summary Summary bit from Counter OSR 4 Instrument 4 S...
Page 428 - Table 4–3: Status Byte Register; Table 4–4: IEEE 488.2 Standard Event Status Register
Status and Event Reporting System 4–6 VX4101A MultiPaq Instrument User Manual The IEEE 488.2 Standard Event Status Register provides general status on theVX4101 and all instruments and is at the same hierarchical level as the VX4101A Operational Status Register. Its structure is simpler than the ope...
Page 429 - STATus and Event Commands; The following commands control status and events in the VX4101A:
Status and Event Reporting System VX4101A MultiPaq Instrument User Manual 4–7 The IEEE 488.2 Status Byte Register is the top of the status hierarchy. Like theIEEE 488.2 Event Status Register, this register does not have a ConditionRegister or transition filters. The IEEE 488.2 Service Request Enable...
Page 430 - STATus
Status and Event Reporting System 4–8 VX4101A MultiPaq Instrument User Manual Please consult the IEEE 488.2 Commands section elsewhere in this manual for afull explanation of these commands. STATus N/A Global N/A N/A *CLS This command clears the enable registers of all Operational Status Registers, ...
Page 442 - Status Subsystem Example; When using the Status subsystem commands for the; Table 4–5: Status Subsystem and Service Requests
Status and Event Reporting System 4–20 VX4101A MultiPaq Instrument User Manual Status Subsystem Example The following is an example of using the Status Subsystem to receive a servicerequest at the end of a DMM array measurement. The DMM sets bit 4 of theOperational Condition Register while a measure...
Page 447 - Appendix A: Specifications; VX4101A General Characteristics; Table A–1: VXI Instrument Characteristics; Table A–2: Power Supply Voltage and Current
VX4101A MultiPaq Instrument User Manual A–1 Appendix A: Specifications VX4101A General Characteristics Table A–1: VXI Instrument Characteristics Characteristics Description VXI General Characteristics The instrument provides a VXI interface that complies with Revision 1.4. The VXI interface is defin...
Page 448 - Table A–3: Environmental/Reliability Characteristics; Table A–4: VX4101A-Specific Characteristics
Appendix A: Specifications A–2 VX4101A MultiPaq Instrument User Manual Table A–3: Environmental/Reliability Characteristics Characteristics Description Temperature Operating Meets or exceeds MIL-T-28800E for Type III, 0 to 50 _ C external ambient, when operated in a mainframe providing Class 3 equip...
Page 449 - Table A–5: VX4101A-Specific Physical Characteristics; Over Voltage Indication
Appendix A: Specifications VX4101A MultiPaq Instrument User Manual A–3 Table A–5: VX4101A-Specific Physical Characteristics Characteristics Description Weight 1.8 kg (4 lbs) Mounting location Installs in an instrument module slot (1-12) of a “C” size VXIbus mainframe Front panel signal connectors BN...
Page 450 - Universal Counter Specifications; Table A–6: Universal Counter General Specifications; Table A–7: Channel 1 and 2 Frequency
Appendix A: Specifications A–4 VX4101A MultiPaq Instrument User Manual Universal Counter Specifications This section contains specification tables for the counter. The specificationscontain a variety of equations and mathematical operators. A table at the end ofthe counter specifications contains de...
Page 451 - Table A–8: Channel 1 and 2 Period
Appendix A: Specifications VX4101A MultiPaq Instrument User Manual A–5 Table A–8: Channel 1 and 2 Period Characteristics Description Range 4 ns to 9 million seconds (2ns min. with Option 1C). Least Significant Digit 250 ps or 250 ps/N rounded downward to the nearest decade. Resolution UnGated Resolu...
Page 452 - Table A–11: Time Interval
Appendix A: Specifications A–6 VX4101A MultiPaq Instrument User Manual Table A–11: Time Interval Characteristics Description Frequency Range Up to 250 MHz (500 MHz with option 1C) Up to 150 MHz for Time Interval with Delay Range –1 ns to 9 million seconds Least Significant Digit 250 ps for N = 1, si...
Page 453 - Table A–15: Channels 1 and 2 Positive/Negative Pulse Width
Appendix A: Specifications VX4101A MultiPaq Instrument User Manual A–7 Table A–15: Channels 1 and 2 Positive/Negative Pulse Width Characteristics Description Frequency Range Up to 250 MHz (500 MHz with Option 1C) Range 1 ns to 9 million seconds Least Significant Digit 250 ps (single-shot) Resolution...
Page 455 - Table A–20: Arm Characteristics
Appendix A: Specifications VX4101A MultiPaq Instrument User Manual A–9 Table A–20: Arm Characteristics Characteristic Description Arm Sources VXI TTL Trigger lines, front panel arm, Channel 2, DMM, SurePath, Software, and aninternal timer Arm Start/Stop Except for channel 2, the arm can be a level o...
Page 456 - Table A–25: Gate Input Trigger
Appendix A: Specifications A–10 VX4101A MultiPaq Instrument User Manual Table A–24: TimeBase Characteristics (Option 1T) Characteristic Description Time Base Characteristics The time base can be drawn from four different sources: the on-board 10 MHz source,the optional on-board high accuracy 10 MHz ...
Page 457 - Table A–26: VXIBus TTLTRG Gate Input
Appendix A: Specifications VX4101A MultiPaq Instrument User Manual A–11 Table A–26: VXIBus TTLTRG Gate Input Characteristic Description TTLTRG Timing Synchronous with VXI backplane 10 MHz Asynchronous TTLTRG Type Programmable: level, edge, pulse-on/pulse-off Channel-B Counter Input Gate Polarity Pro...
Page 458 - Table A–30: Counter Specifications Terms
Appendix A: Specifications A–12 VX4101A MultiPaq Instrument User Manual Table A–30: Counter Specifications Terms Term Description Frequency Terms F Frequency of the signal being measured (F = 1/P). F L Frequency of the leading (first) signal being measured. F T Frequency of the trailing (second) sig...
Page 460 - Table A–31: Aperture Specifications; Table A–33: Memory Capacity
Appendix A: Specifications A–14 VX4101A MultiPaq Instrument User Manual Digital Multimeter (DMM) Specifications Table A–31: Aperture Specifications Characteristics Description Aperture (50 Hz) 1 ms to 2 sec in 1 ms to 10 ms steps (total of 560 apertures) Aperture (60 Hz) 833 m s to 2 sec in 833 m s ...
Page 461 - Table A–36: Accuracy Specification for
Appendix A: Specifications VX4101A MultiPaq Instrument User Manual A–15 Table A–35: Accuracy Specifications for 2-Second Aperture (Cont.) Range Temp Coefficient 1 Year 90 Day 24 Hour 30 V 0.009% + 900 V (1.0 mV) 0.016% + 900 V (1.0 mV) 0.023% + 900 V (1.0 mV) 0.0010% + 50 V 300 V 0.007% + 8 mV (9 mV...
Page 462 - Table A–37: DC Input Resistance
Appendix A: Specifications A–16 VX4101A MultiPaq Instrument User Manual Table A–37: DC Input Resistance Range Resistance 30 mV, 300 mV, 3 V Ranges 10 M W ± 5%, or 10 G W, programmable 30 V, 300 V Ranges 10 M W ± 5% Table A–38: DC Input Protection Range Protection V + V– V + to Chassis 350 VDC or VRM...
Page 463 - Table A–44: TRMS Accuracy Specifications –24-Hour
Appendix A: Specifications VX4101A MultiPaq Instrument User Manual A–17 Table A–42: DC ECMR (50/60/400 Hz) Aperture Frequency ECMR All 50 Hz 122 dB 60 Hz 120 dB 400 Hz 102 dB Table A–43: TRMS AC Voltage (DC Coupled and AC Coupled) Range Maximum Reading Resolution 30 mV 30.0000 mV 100 nV 300 mV 300.0...
Page 464 - Table A–45: TRMS Accuracy–90 Day and 1 Year; Table A–46: TRMS Crest Factor
Appendix A: Specifications A–18 VX4101A MultiPaq Instrument User Manual Table A–44: TRMS Accuracy Specifications –24-Hour (Cont.) Range Temp Coefficient / _ C AC Coupled DC Coupled Frequency 30 V (Cont.) 0.1–10 kHz 0.30% + 30 mV 0.30% + 30 mV .03% + 2.5 m V 10–20 kHz 0.90% + 30 mV 0.90% + 30 mV .03%...
Page 468 - Table A–53: Resistance Input Protection-All Ranges; Table A–54: DC Current
Appendix A: Specifications A–22 VX4101A MultiPaq Instrument User Manual NOTE . Percents listed above are percents of reading. Instrument set up is as follows: Autozero On, after 20 minute warm-up. The above specifications are for 4-wire W. Add 50 M W to all specifications for 2-wire ohms. Tcal is th...
Page 469 - Table A–55: DC Current Sense Resistance
Appendix A: Specifications VX4101A MultiPaq Instrument User Manual A–23 Table A–55: DC Current Sense Resistance Characteristic Description Sense Resistance 0.19 W Table A–56: DC Current Accuracy Specifications for 2-Second and 0.2-Second Aperture Range Burden 24 Hour 90 Day 1 Year Temp Coefficient /...
Page 471 - Table A–58: Digital Input Characteristics; Table A–59: Digital Output Characteristics
Appendix A: Specifications VX4101A MultiPaq Instrument User Manual A–25 Digital Input and Output (Option 1D) Table A–58: Digital Input Characteristics Characteristic Description Number Of Pins 32 (shared with Digital Output) Input/Output Selectability Each pin in individually useable as an input pin...
Page 472 - Table A–60: Digital to Analog Converter Characteristics
Appendix A: Specifications A–26 VX4101A MultiPaq Instrument User Manual Table A–59: Digital Output Characteristics (Cont.) Characteristic Description External Handshake Characteristics Request TTL compatible (with 1 k W pullup), minimum pulse width = 50 nsec, program- mable active high or low (defau...
Page 473 - Table A–61: Relay Drivers Characteristics; SurePath Specifications; switching
Appendix A: Specifications VX4101A MultiPaq Instrument User Manual A–27 Table A–60: Digital to Analog Converter Characteristics (Cont.) Characteristic Description Maximum Output Load <30 _ C: >800 W (600 W to ± 12 VDC) <55 _ C: >1545 W (1345 W to ± 12 VDC) Segment Repeat Count * 1-4096 o...
Page 474 - Certifications and Compliances; Table A–62: Certifications and compliances
Appendix A: Specifications A–28 VX4101A MultiPaq Instrument User Manual Certifications and Compliances Table A–62: Certifications and compliances Characteristics Description EC Declaration of Conformity -EMC Meets intent of EMC Directive 89/336/EEC for Electromagnetic Compatibility. Compliance wasde...
Page 481 - The commander reads the VX4101A Data Low register.; Normal Transfer Mode
VX4101A MultiPaq Instrument User Manual C–1 Appendix C: Instrument I/O Operation CAUTION. If the user’s mainframe has other manufacturers’ computer boards operating in the role of VXIbus foreign devices, the assertion of BERR* (asdefined by the VXIbus Specification) may cause operating problems on t...
Page 482 - Configuration Registers; Table C–1: Register Definitions
Appendix C: Instrument I/O Operation C–2 VX4101A MultiPaq Instrument User Manual As with all VXIbus devices, the VX4101A Module has registers located within a64 byte block in the A16 address space. The base address of the VX4101Adevice registers is determined by the device unique logical address and...
Page 483 - VMEbus Interrupt Level Selection
Appendix C: Instrument I/O Operation VX4101A MultiPaq Instrument User Manual C–3 VMEbus Interrupt Level Selection Each function module in a VXIbus System can generate an interrupt at aspecified level on the VMEbus to request service from the interrupt handlerlocated on its commander. The VX4101 supp...
Page 485 - Appendix D: Counter Architecture
VX4101A MultiPaq Instrument User Manual D–1 Appendix D: Counter Architecture Channel One X1, X10, X100 Attenuator, AC/DC Coupling 50/1 M W Impedance Amplifier _1 Gain=.4 to 10 20 MHz/100 MHz/Off Filter Offset –1 V to +1 V Threshold –.5 V to +.5 V Threshold –.5 V to +.5 V Comparator1_1 Hysteresis= 10...
Page 487 - Appendix E: Obsolete Commands; Counter Commands
VX4101A MultiPaq Instrument User Manual E–1 Appendix E: Obsolete Commands The following SENSe subsystem commands provide backward compatibilitywith the previously released Counter included with the VX4101 DMM/Counter.For complete information about these commands, consult the VX4101 DMM/Counter User ...
Page 489 - WARNING
The following servicing instructions are for use only by qualified personnel. Toavoid injury, do not perform any servicing other than that stated in the operatinginstructions unless you are qualified to do so. Refer to all Safety Summaries beforeperforming any service. WARNING
Page 491 - Appendix F: Performance Verification Procedure; Semi-Automated PVP Procedures; Instrument is designed to run semi-automated; Manual PVP Procedures
VX4101A MultiPaq Instrument User Manual F–1 Appendix F: Performance Verification Procedure Semi-Automated PVP Procedures The VX4101A MultiPaq Instrument is designed to run semi-automated performance verification procedures (PVPs) using the VXIplug&play soft frontpanels. There is a menu choice on...
Page 493 - Appendix G: Calibration; Calibration for the DMM
VX4101A MultiPaq Instrument User Manual G–1 Appendix G: Calibration This section contains calibration procedures for the following modules in theVX4101A MultiPaq t Instrument: H Digital Multimeter (DMM) H Counter H Digital to Analog Converter (DAC) Calibration for the DMM The DMM calibration procedu...
Page 494 - DC Mode Calibration Procedure
Appendix G: Calibration G–2 VX4101A MultiPaq Instrument User Manual 1 year Connect calibrator voltage outputs to VX4101A voltage inputs.Program the VX4101A as follows: inst:sel dmm cal:sour ext After completion, program the VX4101A as follows: cal:sour int DC Mode Calibration Procedure Perform this ...
Page 499 - VDC or RMS
Appendix G: Calibration VX4101A MultiPaq Instrument User Manual G–7 This part of the procedure calibrates the DMM for AC/DC Coupled Range3 VDC or RMS. 11. Program the VX4101A as follows: conf:acdc 3;init 12. Apply .300 VRMS ± 5.3 m VRMS at 1 kHz 13. Program the VX4101A as follows: cal:val .3 (or any...
Page 500 - Resistance Mode Calibration Procedure; This part of the procedure calibrates the DMM for 30; Resistance 30
Appendix G: Calibration G–8 VX4101A MultiPaq Instrument User Manual 25. Program the VX4101A as follows: (or any other desired value) NOTE . TRMS AC (AC Coupled) ranges use the above calibration information. A separate TRMS AC (AC Coupled) calibration is not required. Resistance Mode Calibration Proc...
Page 501 - Resistance 3 k
Appendix G: Calibration VX4101A MultiPaq Instrument User Manual G–9 10. Program the VX4101A as follows: cal:val 10 (or any other desired value) This part of the procedure calibrates the DMM for 300 W resistance. 11. Program the VX4101A as follows: conf:fres 300;init 12. Apply 0.0 W ± 1.0 m W 13. Pro...
Page 502 - Resistance 3 M
Appendix G: Calibration G–10 VX4101A MultiPaq Instrument User Manual 24. Apply 10 k W ± .16 W 25. Program the VX4101A as follows: cal:val 10e3 (or any other desired value) This part of the procedure calibrates the DMM for 300 k W resistance. 26. Program the VX4101A as follows: conf:fres 300e3;init 2...
Page 504 - Current Mode Calibration Procedure; This part of the procedure calibrates for 0.15A current.; Current 1A
Appendix G: Calibration G–12 VX4101A MultiPaq Instrument User Manual Current Mode Calibration Procedure This procedure calibrates the DMM in current mode throughout its range ofcurrent measurements. This procedure is separated into phases to permitcalibration at all ranges, but is intended to be run...
Page 505 - Calibration for the Counter; Channel Specifications.
Appendix G: Calibration VX4101A MultiPaq Instrument User Manual G–13 Calibration for the Counter This procedure shows you how to calibrate the Counter for the VX4101AMultiPaq t Instrument. It is assumed the module has completed its power-on self test. For informationon specific commands or syntax, p...
Page 506 - About the Adjustment Procedures.; The individual channel adjustments detailed in; Step One: Initialize the
Appendix G: Calibration G–14 VX4101A MultiPaq Instrument User Manual NOTE . For the ARM calibrations, the input should be connected to the SMB connector. For the channel 3 (factory) calibrations, the input should be connected to theSMA Connector, if this option is included. Determining Status. To de...
Page 507 - Channel Adjustments
Appendix G: Calibration VX4101A MultiPaq Instrument User Manual G–15 2. Connect the calibrator to the channel being calibrated. Adjust each channel as follows: Offset Adjustment. To adjust offset, do the following: 1. Set the calibrator to 0.0 ± 0.001 V. 2. For the channel being calibrated, send the...
Page 508 - Function and
Appendix G: Calibration G–16 VX4101A MultiPaq Instrument User Manual Hysteresis Calibration. Since this function uses an internal reference, it requires no external inputs. The calibrator should either be disconnected or set to 0 V forthis step. To calibrate hysteresis, do the following: 1. For the ...
Page 510 - Set up the high frequency source for a sine wave at 1000 MHz; This command takes approximately 2 seconds to execute.; Select the source of the clock to be calibrated, as follows:; SOURce:COSCillator ROSC; Calibrate the internal clock with the following command:; SOURce:ROSCillator INTernal; Calibrate the VXI backplane clock with the following command:; SOURce:ROSCillator CLOCk10; Calibrate the Option 1T, TXC01 with the following command:; SOURce:COSCillator TXCO1; Factory Calibration
Appendix G: Calibration G–18 VX4101A MultiPaq Instrument User Manual The following additional steps are performed during initial factory calibration,when the channel 3 option is available. This step is not part of the normalcalibration sequence, and is included here for completeness only. Channel 3 ...
Page 511 - Calibration for the Digital to Analog Converter; cal1:out 8 for outputting 8 volts on channel one
Appendix G: Calibration VX4101A MultiPaq Instrument User Manual G–19 6. To complete the calibration, issue the following command: CALibrate:ROSCillator This command takes approximately 11 seconds to execute. NOTE . If an invalid input signal is present, this command will time out and generate an err...
Page 512 - DAC Pin Assignments; Querying Status
Appendix G: Calibration G–20 VX4101A MultiPaq Instrument User Manual NOTE . If you do not enter a specific value for <channel>, the instrument will use channel one as the default. DAC Pin Assignments The Pin connections for the eight channels are shown in the table below. Table G–1: DAC Pin Co...
Page 513 - Connect the digital voltmeter to the channel being calibrated.; INSTrument:SELect DAC; DAC Calibration Procedure; Before You Begin
Appendix G: Calibration VX4101A MultiPaq Instrument User Manual G–21 To prepare instrument for calibration, do the following: 1. Connect the digital voltmeter to the channel being calibrated. 2. Send the following command to select the DAC as the active instrument: INSTrument:SELect DAC DAC Calibrat...
Page 514 - Repeating the Proceedure
Appendix G: Calibration G–22 VX4101A MultiPaq Instrument User Manual 1. Set the DAC output for the channel being calibrated to nominal 8 V with the following command: CALibrate[<channel>]:OUTput 8.0 2. Send the following command: CALibrate[<channel>]:VALue 8.0,<DVM reading> NOTE . ...
Page 515 - Calibration for the Digital Input; Connect the external voltage source to Digital Input 1.; INSTrument:SELect DIGI
Appendix G: Calibration VX4101A MultiPaq Instrument User Manual G–23 Calibration for the Digital Input This procedure shows you how to calibrate the Digital Input for the VX4101AMultiPaq t Instrument. You must calibrate the instrument for both a 2.5 VDC and 12 VDC threshold. It is assumed the module...
Page 516 - Digital Input Calibration Procedure; Enter the following command to calibrate for 12 V:; Calibration Factor
Appendix G: Calibration G–24 VX4101A MultiPaq Instrument User Manual Digital Input Calibration Procedure This procedure calibrates the Digital Input threshold. This is a 2-point calibrationusing voltages of 2.5 VDC and 12 VDC respectively. In this procedure, you will calibrate the Digital Input for ...
Page 517 - Appendix H: User Service; Performance Verification; Turn off power and remove the VX4101A from the VXIbus mainframe.; Troubleshooting
VX4101A MultiPaq Instrument User Manual H–1 Appendix H: User Service This appendix contains service-related information for the VX4101A MultiPaq t that covers the following topics: H Performance Verification H Preventive maintenance H Troubleshooting Performance Verification See Appendix F. Preventi...
Page 519 - Appendix I: Replaceable Parts; Parts Ordering Information; Module Repair and Return.; Module Servicing
VX4101A MultiPaq Instrument User Manual I–1 Appendix I: Replaceable Parts This section contains a list of the replaceable modules for the VX4101AMultiPaq t Instrument. Use this list to identify and order replacement parts. Parts Ordering Information Replacement parts are available through your local...
Page 520 - Using the Replaceable Parts List; Instrument. Use this list to identify; Parts list column descriptions; Abbreviations
Replaceable Parts I–2 VX4101A MultiPaq Instrument User Manual Using the Replaceable Parts List This section contains a list of the mechanical and/or electrical components thatare replaceable for the VX4101A MultiPaq Instrument. Use this list to identify and order replacement parts. The following tab...
Page 521 - Manufacturers cross index
Replaceable Parts VX4101A MultiPaq Instrument User Manual I–3 Manufacturers cross index Mfr.code Manufacturer Address City, state, zip code 00779 AMP INC. CUSTOMER SERVICE DEPTPO BOX 3608 HARRISBURG, PA 17105–3608 060D9 UNITREK CORPORATION 3000 COLUMBIA HOUSE BLVD, SUITE 120 VANCOUVER, WA 98661 0KB0...
Page 522 - Replaceable parts list
Replaceable Parts I–4 VX4101A MultiPaq Instrument User Manual Replaceable parts list Fig. &indexnumber Tektronix part number Serial no.effective Serial no.discont’d Qty Name & description Mfr.code Mfr. part number 1 174–2675–00 2 CA ASSY,SP,ELEC:100 OHM,1.9NS TWISTEDPAIR,SHEILDED(REFERENCE D...
Page 525 - Figure I–2: VX4101A Delay Line Cable Dress
Replaceable Parts VX4101A MultiPaq Instrument User Manual I–7 J322 J42 J323 J232 J231 J222 Note: Cable dress for the delay line on the Counter board isvery critical. Be sure to keep the cable off of the heat sinks. Figure I–2: VX4101A Delay Line Cable Dress
Page 526 - Glossary and Index
Page 528 - Glossary–1; Glossary; Accessed Indicator; A VXIbus instrument module that is 100.0; Asynchronous Communication; A VXIbus instrument module that is 233.4; Bus Arbitration
VX4101A MultiPaq Instrument User Manual Glossary–1 Glossary The terms in this glossary are defined as used in the VXIbus System. Althoughsome of these terms may have different meanings in other systems, it isimportant to use these definitions in VXIbus applications. Terms which applyonly to a partic...
Page 529 - Glossary–2; Client; A directive to a device. There are three types of commands:; Communication Registers; A VXIbus instrument module that is 340.0 mm
Glossary Glossary–2 VX4101A MultiPaq Instrument User Manual Client In shared memory protocol (SMP), that half of an SMP channel that does notcontrol the shared memory buffers. CLK10 A 10 MHz, ± 100 ppm, individually buffered (to each module slot), differential ECL system clock that is sourced from S...
Page 530 - Glossary–3; A VXIbus instrument module that is 340.0
Glossary VX4101A MultiPaq Instrument User Manual Glossary–3 Custom Device A special-purpose VXIbus device that has configuration registers so as to beidentified by the system and to allow for definition of future device types tosupport further levels of compatibility. Data Transfer Bus One of four b...
Page 531 - Glossary–4
Glossary Glossary–4 VX4101A MultiPaq Instrument User Manual External System Controller The host computer or other external controller that exerts overall controlover VXIbus operations. FDC See Fast Data Channel Fast Data Channel A communication protocol that uses a block of memory that is accessible...
Page 532 - Glossary–5; The processor on an instrument module.
Glossary VX4101A MultiPaq Instrument User Manual Glossary–5 Local Controller The instrument module that performs system control and external interfacefunctions for the instrument modules in a VXIbus mainframe or severalmainframes. See Resource Manager. Local Processor The processor on an instrument ...
Page 533 - Glossary–6
Glossary Glossary–6 VX4101A MultiPaq Instrument User Manual READY Indicator A green LED indicator that lights when the power-on diagnostic routineshave been completed successfully. An internal failure or failure of +5 Vpower will extinguish this indicator. Register Based Device A VXIbus device that ...
Page 534 - Glossary–7
Glossary VX4101A MultiPaq Instrument User Manual Glossary–7 Server A shared memory device that controls the shared memory buffers used in agiven Shared Memory Protocol channel. Shared Memory Protocol A communications protocol that uses a block of memory that is accessible toboth client and server. T...
Page 535 - Glossary–8
Glossary Glossary–8 VX4101A MultiPaq Instrument User Manual SYSFAIL* A signal line on the VMEbus that is used to indicate a failure by a device.The device that fails asserts this line. System Clock Driver A functional module that provides a 16 MHz timing signal on the UtilityBus. System Hierarchy Th...
Page 536 - Glossary–9; 00 ppm clock synchronized with CLK10. Also see CLK100.
Glossary VX4101A MultiPaq Instrument User Manual Glossary–9 100-MHz Clock A 100 MHz, ± 100 ppm clock synchronized with CLK10. Also see CLK100. 488-To-VXIbus Interface A message based device that provides for communication between theIEEE-488 bus and VXIbus instrument modules.
Page 538 - Index–1; Index
VX4101A MultiPaq Instrument User Manual Index–1 Index A ABORt commands, 3–7 for VX4101A Multipaq Instrument, 3–7 AC Volt Measurement, 2–44 With the Digital Multimeter (DMM), connections, 2–44 with the Digital Multimeter (DMM), 2–44 Accessories Optional, 1–12Standard, 1–12 Addressing IEEE–488 address...
Page 539 - Index–2
Index Index–2 VX4101A MultiPaq Instrument User Manual Time Interval measurement, 3–71, 3–98Totalize measurement, 3–72trigger sources, 3–39, 3–40, 3–42, 3–100UNIT commands for, 3–114used as a trigger source, 3–101Using, 2–27Voltage measurement, 3–72Voltage measurements, 3–99 Current Measurement, with...
Page 540 - Index–3
Index VX4101A MultiPaq Instrument User Manual Index–3 Duty cycle, 3–67 E Error/event queue, 4–1Errors, how VX4101A stores and delivers, 4–1Event handling, 4–1 F Fast Data Channel (FDC), 2–13 Commands for DAC, 3–194, 3–252Commands for Digital Multimeter (DMM), 3–251Commands for Digital to Analog Conv...
Page 541 - Index–4
Index Index–4 VX4101A MultiPaq Instrument User Manual M Maintenance, Preventive, H–1MEASure commands, for Digital Input, 3–128MEASure? queries for Counter, 3–91for Digital Multimeter (DMM), 3–227 Messages, How VX4101A handles, 4–1 N Normal Transfer Mode, C–1 O Operational Check For Counter, 1–27For ...
Page 542 - Index–5
Index VX4101A MultiPaq Instrument User Manual Index–5 For Digital Output, 1–11For the Digital Multimeter, 1–11For the Digital to Analog Converter, 1–11For the SurePath Modules, 1–11For the VX4101A Multipaq Instrument, 1–10Highlights of, 1–10 Self-Test, Sequence, 1–25Self-test, and Digital Input, 3–1...
Page 543 - Index–6
Index Index–6 VX4101A MultiPaq Instrument User Manual Two-Wire Resistance Measurement, With the Digital Multimeter (DMM), hardware tips, 2–45, 2–46 TXCO Time Base and SOURce commands, 3–109As option, 1–13 U UNIT commands, for Counter, 3–114 V VX4101, 1–1 Specifications, A–1 VX4101A Multipaq Instrume...
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