Page 3 - Warning Regarding Medical and Clinical Use
Limited Warranty The SCXI-1120 is warranted against defects in materials and workmanship for a period of one year from the date ofshipment, as evidenced by receipts or other documentation. National Instruments will, at its option, repair or replaceequipment that proves to be defective during the war...
Page 4 - Contents; About This Manual; xi
© National Instruments Corporation v SCXI-1120 User Manual Contents About This Manual ............................................................................................................. xi Organization of This Manual ............................................................................
Page 7 - Glossary
Contents SCXI-1120 User Manual viii © National Instruments Corporation Appendix ESCXI-1120 Cabling ............................................................................................................. E-1 SCXI-1340 Cable Assembly .................................................................
Page 8 - Figures
Contents © National Instruments Corporation ix SCXI-1120 User Manual Figures Figure 2-1. SCXI-1120 General Parts Locator Diagram ...................................................... 2-2 Figure 2-2. Detailed Parts Locator Diagram ........................................................................
Page 9 - Tables
Contents SCXI-1120 User Manual x © National Instruments Corporation Tables Table 2-1. Digital Signal Connections, Jumper Settings ..................................................... 2-6 Table 2-2. Jumper W46 Settings ....................................................................................
Page 10 - Organization of This Manual; The SCXI-1120 User Manual is organized as follows:
© National Instruments Corporation xi SCXI-1120 User Manual About This Manual This manual describes the electrical and mechanical aspects of the SCXI-1120 and containsinformation concerning its operation and programming. The SCXI-1120 is a class I module thatoperates as eight isolated input channels...
Page 11 - Conventions Used in This Manual; italic
About This Manual SCXI-1120 User Manual xii © National Instruments Corporation • Appendix D, SCXI-1120 Front Connector, describes the pinout and signal names for theSCXI-1120 front connector, including a description of each connection. • Appendix E, SCXI-1120 Cabling, describes how to use and instal...
Page 12 - Related Documentation; Your DAQ board user manual; Customer Communication
About This Manual © National Instruments Corporation xiii SCXI-1120 User Manual SCXIbus descriptor may be omitted when the meaning is clear.Descriptions of all SCXIbus signals are given in Appendix C, SCXIbusConnector. Slot 0 Slot 0 refers to the power supply and control circuitry in the SCXI chassi...
Page 14 - What Your Kit Should Contain; Kit Component; Optional Software
Introduction Chapter 1 SCXI-1120 User Manual 1-2 © National Instruments Corporation What Your Kit Should Contain The contents of the SCXI-1120 kit (part number 776572-20) are listed as follows. Kit Component Part Number SCXI-1120 module 181695-01 SCXI-1120 User Manual 320425-01 If your kit is missin...
Page 15 - Optional Equipment; Equipment
Chapter 1 Introduction © National Instruments Corporation 1-3 SCXI-1120 User Manual You can also use the SCXI-1120, combined with the NB Series data acquisition boards, withNI-DAQ software for Macintosh. NI-DAQ software for Macintosh, which is shipped with allNational Instruments Macintosh data acqu...
Page 16 - Custom Cables; Unpacking
Introduction Chapter 1 SCXI-1120 User Manual 1-4 © National Instruments Corporation Custom Cables The SCXI-1120 rear signal connector is a 50-pin male ribbon-cable header. The manufacturerpart number used by National Instruments for this header is as follows: • AMP Inc. (part number 1-103310-0) The ...
Page 17 - Module Configuration
© National Instruments Corporation 2-1 SCXI-1120 User Manual Chapter 2Configuration and Installation This chapter describes the SCXI-1120 jumper configurations, installation of the SCXI-1120 intothe SCXI chassis, signal connections to the SCXI-1120, and cable wiring. Module Configuration The SCXI-11...
Page 19 - Figure 2-2 shows a detailed parts locator diagram of the SCXI-1120.
Chapter 2 Configuration and Installation © National Instruments Corporation 2-3 SCXI-1120 User Manual Figure 2-2 shows a detailed parts locator diagram of the SCXI-1120. Figure 2-2. Detailed Parts Locator Diagram
Page 20 - The jumpers are used as follows:; Digital Signal Connections
Configuration and Installation Chapter 2 SCXI-1120 User Manual 2-4 © National Instruments Corporation The jumpers are used as follows: • Fixed jumpers - On Revision A and B modules, jumper W42 is unused and should not be connected. - Jumper W45 is reserved and should not be reconfigured. - On Revisi...
Page 21 - Position 3 is reserved and should not be used.; pullup resistor to the SERDATOUT line. Position 3 does; not connect the pullup resistor to the SERDATOUT line.
Chapter 2 Configuration and Installation © National Instruments Corporation 2-5 SCXI-1120 User Manual Jumper W44 On Revision A and B modules, position 1 connects, after buffering, SLOT0SEL* to the SCXIbusINTR* line. This is the factory-default setting and should not be changed. In this setting, thed...
Page 22 - Jumper; Parking position
Configuration and Installation Chapter 2 SCXI-1120 User Manual 2-6 © National Instruments Corporation acquisition board, those different modules will have jumpers similar to W43 and W42 of theSCXI-1120. Set those jumpers on the different modules using the same method described herefor the SCXI-1120....
Page 23 - Factory default; Analog Configuration; The SCXI-1120 has 42 analog configuration jumpers.
Chapter 2 Configuration and Installation © National Instruments Corporation 2-7 SCXI-1120 User Manual Table 2-1. Digital Signal Connections, Jumper Settings (Continued) Jumper Description Configuration W45 W44 Factory default Factory default(Revision A and B modules only) • • • 3 2 1 • • • 3 2 1 Ana...
Page 24 - Factory setting in parking position; Direct Temperature Connection
Configuration and Installation Chapter 2 SCXI-1120 User Manual 2-8 © National Instruments Corporation Table 2-2. Jumper W46 Settings Jumper Description Configuration W46 Factory setting in parking position • • • • • • B A R 2 R 1 R 0 W46 Connects the analog reference toAOGND (pins 1 and 2 of the rea...
Page 27 - Hardware Installation; Turn on the computer or reconnect it to your chassis.; Signal Connections
Chapter 2 Configuration and Installation © National Instruments Corporation 2-11 SCXI-1120 User Manual Hardware Installation You can install the SCXI-1120 in any available SCXI chassis. After you have made anynecessary changes and have verified and recorded the jumper settings on the form inAppendix...
Page 28 - Front Connector
Configuration and Installation Chapter 2 SCXI-1120 User Manual 2-12 © National Instruments Corporation Front Connector Figure 2-3 shows the pin assignments for the SCXI-1120 front connector. Pin Number Signal Name Column A B C Signal Name 32 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 1...
Page 29 - Front Connector Signal Descriptions; Pin; Do not connect any signals to these pins.; Analog Input Channels
Chapter 2 Configuration and Installation © National Instruments Corporation 2-13 SCXI-1120 User Manual Front Connector Signal Descriptions Pin Signal Name Description A2 CHSGND Chassis Ground – Tied to the SCXI chassis. C2 DTEMP Direct Temperature Sensor – Connects thetemperature sensor to pin 18 of...
Page 31 - Temperature Sensor Connection
Chapter 2 Configuration and Installation © National Instruments Corporation 2-15 SCXI-1120 User Manual I Vs V out + - + - R bias Vcm High CMV + - + Module Figure 2-7. AC-Coupled Signal Connection with High Common-Mode Voltage For AC-coupled signals, an external resistor from the positive input chann...
Page 36 - Block Installation section later in this chapter.
Configuration and Installation Chapter 2 SCXI-1120 User Manual 2-20 © National Instruments Corporation Table 2-8. Jumper Settings on the SCXI-1328 Terminal Block Jumper Position Description W1 DTEMP MTEMP • • • • MTS mode selected; factorysetting; parking position W1 • • • • DTEMP MTEMP DTS mode sel...
Page 39 - Terminal Block Installation; Rear Signal Connector
Chapter 2 Configuration and Installation © National Instruments Corporation 2-23 SCXI-1120 User Manual Terminal Block Installation To connect the terminal block to the SCXI-1120 front connector, perform the following steps: 1. Connect the SCXI-1120 front connector to its mating connector on the term...
Page 41 - Rear Signal Connector Signal Descriptions
Chapter 2 Configuration and Installation © National Instruments Corporation 2-25 SCXI-1120 User Manual Rear Signal Connector Signal Descriptions Pin Signal Name Description 1-2 AOGND Analog Output Ground – Connected to the analogreference when jumper W46 is in position AB-R0. 3-18 MCH0 ± through MCH...
Page 42 - Analog Output Signal Connections; , are a multiplexed output of all eight channels and the; Digital I/O Signal Connections; and are tied to the module digital ground.
Configuration and Installation Chapter 2 SCXI-1120 User Manual 2-26 © National Instruments Corporation The signals on the rear signal connector can be classified as analog output signals, digital I/Osignals, or timing I/O signals. Signal connection guidelines for each of these groups are given inthe...
Page 43 - SCXIbus Line
Chapter 2 Configuration and Installation © National Instruments Corporation 2-27 SCXI-1120 User Manual The digital output signal is pin 26: • Pin 26 is SERDATOUT and is equivalent to SCXIbus MISO when jumper W43 is inposition 1. The digital I/O signals of the SCXI-1120 match the digital I/O lines of...
Page 44 - Timing Requirements and Communication Protocol; Timing Signal; Figure 2-12. SCANCLK Timing Requirements; Communication Signals
Configuration and Installation Chapter 2 SCXI-1120 User Manual 2-28 © National Instruments Corporation Timing Requirements and Communication Protocol Timing Signal The data acquisition timing signal is SCANCLK. SCANCLK is used to increment MUXCOUNTER on its rising edge. Figure 2-12 shows thetiming r...
Page 45 - is a specification of the
Chapter 2 Configuration and Installation © National Instruments Corporation 2-29 SCXI-1120 User Manual 0 1 0 0 1 1 0 1 1 Chassis ID = 9 Slot 11 SERDATIN SS*X Chassis Y SS*11 Chassis 9 SERCLK SLOT0SEL* T ss_dis T ss_en T clk_wait T slot0sel*_wait T ss _ dis SLOT0SEL* low to SS* disabled 200 nsec maxi...
Page 46 - To write to the Configuration Register, follow these steps:
Configuration and Installation Chapter 2 SCXI-1120 User Manual 2-30 © National Instruments Corporation T low T high SERCLK SERDATIN SERDATOUT T setup T hold T delay T low Minimum low time 65 nsec minimum T high Minimum high time 400 nsec minimum T setup SERDATIN setup time 200 nsec minimum T hold SE...
Page 47 - Figure 2-15. Configuration Register Write Timing Diagram
Chapter 2 Configuration and Installation © National Instruments Corporation 2-31 SCXI-1120 User Manual SLOT0SEL* SERDATIN SERCLK SS* 0 1 0 0 0 0 1 1 0 0 0 0 1 1 1 1 Figure 2-15. Configuration Register Write Timing Diagram To read from the Module ID Register, follow these steps: 1. Initial conditions...
Page 48 - Functional Overview
© National Instruments Corporation 3-1 SCXI-1120 User Manual Chapter 3Theory of Operation This chapter contains a functional overview of the SCXI-1120 module and explains the operationof each functional unit making up the SCXI-1120. Functional Overview The block diagram in Figure 3-1 illustrates the...
Page 49 - SCXIbus Connector
Theory of Operation Chapter 3 SCXI-1120 User Manual 3-2 © National Instruments Corporation The major components of the SCXI-1120 are as follows: • SCXIbus connector • Digital interface • Digital control circuitry • Timing and analog circuitry The SCXI-1120 consists of eight isolated amplifier channe...
Page 50 - Figure 3-2. SCXIbus Connector Pin Assignment
Chapter 3 Theory of Operation © National Instruments Corporation 3-3 SCXI-1120 User Manual GUARDGUARDGUARD AB0- GUARDGUARDGUARD GUARDGUARDGUARD CHSGND CHSGND CHSGND CHSGND CHSGND RSVD INTR* D*/A V-V- CHSGNDCHSGND V+V+ +5 V MOSI SCANCON A1B1A2B2A3B3A4B4A5B5A6B6A7B7A8B8A9B9A10B10A11B11A12B12A13B13A14B...
Page 51 - SCXIbus Connector Signal Descriptions
Theory of Operation Chapter 3 SCXI-1120 User Manual 3-4 © National Instruments Corporation SCXIbus Connector Signal Descriptions Pin Signal Name Description A1, B1, C1, D1, GUARD Guard – Shields and guards the analog bus lines A2, D2, A3, B3, from noise. C3, D3, A4, D4,A5, B5, C5, D5,A6, D6 B2 AB0+ ...
Page 53 - Digital Interface; Figure 3-3. Digital Interface Circuitry Block Diagram
Theory of Operation Chapter 3 SCXI-1120 User Manual 3-6 © National Instruments Corporation Digital Interface Figure 3-3 shows a diagram of the SCXI-1120 and SCXIbus digital interface circuitry. Digital Interface SCXIbus Buffered Serial Data Buffered Digital Signal Controls SERDATIN DAQD*/A SLOT0SEL*...
Page 54 - Digital Control Circuitry; the Configuration Register bits.
Chapter 3 Theory of Operation © National Instruments Corporation 3-7 SCXI-1120 User Manual Digital Control Circuitry Figure 3-4 diagrams the SCXI-1120 digital control. Module ID Register Configuration Register Serial Data Out Input Channel Select Output Stage Control Hardware Scan Control SCANCLK Pa...
Page 55 - Analog and Timing Circuitry; The SCXIbus provides analog power (; Figure 3-5 is a diagram of the analog input block.
Theory of Operation Chapter 3 SCXI-1120 User Manual 3-8 © National Instruments Corporation The Module ID Register connects to MISO on the SCXIbus. The Module ID Register is an 8-bit,parallel/serial-in, serial-out shift register and an SPI communication adapter. The contents of theModule ID Register ...
Page 57 - Calibration; Calibration Equipment Requirements
Theory of Operation Chapter 3 SCXI-1120 User Manual 3-10 © National Instruments Corporation The analog input consists of eight isolated single-ended noninverting amplifiers. In addition,lowpass filtering is available at the inputs. You can jumper select one of two bandwidths,10 kHz or 4 Hz. The ampl...
Page 58 - Offset Null Adjust; Set the DMM range to the smallest range that can measure
Chapter 3 Theory of Operation © National Instruments Corporation 3-11 SCXI-1120 User Manual A multiranging 3 1/2-digit digital multimeter can provide you with the necessary function asdescribed previously. We will refer to the measuring instrument as a digital multimeter (DMM). Each channel on the S...
Page 59 - Table 3-2. Calibration Potentiometers Reference Designators
Theory of Operation Chapter 3 SCXI-1120 User Manual 3-12 © National Instruments Corporation Table 3-2. Calibration Potentiometers Reference Designators Input Channel Amplifier Channel Number Input Null Output Null 0 R8 R24 1 R10 R25 2 R12 R26 3 R14 R27 4 R16 R28 5 R18 R29 6 R20 R30 7 R21 R31 Analog ...
Page 60 - and; Scanning Modes
Chapter 3 Theory of Operation © National Instruments Corporation 3-13 SCXI-1120 User Manual The SCXI-1120 output circuitry consists of a buffered-output multiplexer and channel-selecthardware. The channel-select hardware consists of a three-bit counter, MUXCOUNTER. Thiscounter is needed when the boa...
Page 61 - Single-Module Parallel Scanning; Multiplexed Scanning; Single-Module Multiplexed Scanning
Theory of Operation Chapter 3 SCXI-1120 User Manual 3-14 © National Instruments Corporation data acquisition board user manual, or your SCXI chassis user manual. If you need moreinformation, contact National Instruments. Single-Module Parallel Scanning Single-module parallel scanning is the simplest...
Page 62 - Multiple-Module Multiplexed Scanning
Chapter 3 Theory of Operation © National Instruments Corporation 3-15 SCXI-1120 User Manual except during changes from one Slot 0 scan list entry to the next, when SCANCON pulses highto make the MUXCOUNTER reload its starting channel. Notice that although you are usingonly a single module, you can p...
Page 63 - Multiple-Chassis Scanning
Theory of Operation Chapter 3 SCXI-1120 User Manual 3-16 © National Instruments Corporation onto TRIG0 for the other modules and Slot 0, as shown in Figure 3-10. The scan list in Slot 0 isprogrammed with the sequence of modules and the number of samples per entry. SCANCLK MCH0 Cable Assembly Data Ac...
Page 64 - Register Description; Register Description Format
© National Instruments Corporation 4-1 SCXI-1120 User Manual Chapter 4Register Descriptions This chapter describes in detail the SCXI-1120 Module ID Register, the Configuration Register,the Slot 0 registers, and multiplexer addressing. Note: If you plan to use a programming software package such as ...
Page 65 - Module ID Register
Register Descriptions Chapter 4 SCXI-1120 User Manual 4-2 © National Instruments Corporation Module ID Register The Module ID Register contains the 4-byte module ID code for the SCXI-1120. This codenumber will be read as the first four bytes on the MISO line whenever the module is accessed.The bytes...
Page 66 - Configuration Register; CLKOUTEN
Chapter 4 Register Descriptions © National Instruments Corporation 4-3 SCXI-1120 User Manual Configuration Register The Configuration Register contains 16 bits that control the functions of the SCXI-1120. WhenSS* is asserted (low) and D*/A indicates data (low), the register will shift in the data pr...
Page 67 - Bit
Register Descriptions Chapter 4 SCXI-1120 User Manual 4-4 © National Instruments Corporation Bit Name Description (continued) 5 RTEMP Read Temperature – This bit determines whether theselected channel output or the MTEMP signal is drivenonto the MCH0 ± pins of the rear signal connector. If RTEMP is ...
Page 68 - Slot 0 Register Descriptions
Chapter 4 Register Descriptions © National Instruments Corporation 4-5 SCXI-1120 User Manual Slot 0 Register Descriptions Slot 0 has three registers. The Slot-Select Register is a 16-bit, write-only register that determineswith which slot the data acquisition board will speak when SLOT0SEL* is relea...
Page 71 - FIFO Register
Register Descriptions Chapter 4 SCXI-1120 User Manual 4-8 © National Instruments Corporation FIFO Register The FIFO Register is used to add entries to the Slot 0 FIFO. The FIFO contains the Slot 0 scanlist. Each entry contains a slot number to be accessed, and a count number to determine thenumber o...
Page 72 - Programming Considerations; Notation; For the bit patterns to be written, the following symbols are used:; Register Writes
© National Instruments Corporation 5-1 SCXI-1120 User Manual Chapter 5Programming This chapter contains a functional programming description of the SCXI-1120 and Slot 0. Note: If you plan to use a programming software package such as NI-DAQ, LabWindows, or LabVIEW with your SCXI-1120 board, you do n...
Page 74 - Initialization; Single-Channel Measurements; Direct Measurements; Parallel Output
Chapter 5 Programming © National Instruments Corporation 5-3 SCXI-1120 User Manual 7. Pull SLOT0SEL* low to deassert the SS* line, latch the data into the Configuration Register and establish conditions for writing a new slot-select number to the Slot 0 Slot-SelectRegister. 8. If you are not selecti...
Page 75 - Indirect Measurements
Programming Chapter 5 SCXI-1120 User Manual 5-4 © National Instruments Corporation Multiplexed Output To perform a direct multiplexed output measurement, you must cable the SCXI-1120 rear signalconnector to a data acquisition board. See Chapter 2, Configuration and Installation, for moreinformation....
Page 76 - Scanning Measurements
Chapter 5 Programming © National Instruments Corporation 5-5 SCXI-1120 User Manual To measure one of the eight differential input channels to the SCXI-1120, perform the followingsteps: 1. Perform any necessary programming to ensure that no modules are driving Analog Bus 0. For an SCXI-1120, clearing...
Page 77 - Data Acquisition Board Setup Programming
Programming Chapter 5 SCXI-1120 User Manual 5-6 © National Instruments Corporation 1. Data Acquisition Board Setup Programming The programming steps for your data acquisition board are given in your data acquisition boarduser manual. You should follow the instructions in the following sections: • AT...
Page 78 - Programming Multiple A/D Conversions with Channel Scanning
Chapter 5 Programming © National Instruments Corporation 5-7 SCXI-1120 User Manual • MC-MIO-16 User Manual - Multiple A/D Conversions with Continuous Channel Scanning (Round Robin) - Multiple A/D Conversions with Interval Channel Scanning (Pseudosimultaneous) • NB-MIO-16 User Manual - Programming Mu...
Page 79 - Module Programming
Programming Chapter 5 SCXI-1120 User Manual 5-8 © National Instruments Corporation Counter 1 and SCANDIV All MIO boards can operate their data acquisition board scan lists in two ways–they can acquireone sample per data acquisition board scan list entry; or they can acquire N samples per dataacquisi...
Page 80 - CCC
Chapter 5 Programming © National Instruments Corporation 5-9 SCXI-1120 User Manual Single-Module Multiplexed Scanning (Direct) To perform simple channel scanning, you must cable the SCXI-1120 to a data acquisition board.See Chapter 2, Configuration and Installation, for more information. To program ...
Page 81 - to its Configuration Register.; Programming the Slot 0 Hardscan Circuitry
Programming Chapter 5 SCXI-1120 User Manual 5-10 © National Instruments Corporation also be able to send a SCANCLK*-compatible signal on TRIG0. See Chapter 2, Configurationand Installation, for more information. The module programming steps are as follows: 1. Perform any necessary programming to ens...
Page 82 - To program the hardscan circuitry, perform the following steps:
Chapter 5 Programming © National Instruments Corporation 5-11 SCXI-1120 User Manual To program the hardscan circuitry, perform the following steps: 1. Write binary 0000 0000 to the HSCR. 2. Write binary 0000 1000 to the HSCR. 3. Write the Slot 0 scan list to the FIFO. 4. Write binary 0010 1100 to th...
Page 83 - Scanning Examples; Example 1; Programming section of this chapter.
Programming Chapter 5 SCXI-1120 User Manual 5-12 © National Instruments Corporation 4. Acquisition Enable, Triggering, and Servicing At this point, you should now continue from where you left off in the 1. Data Acquisition BoardSetup Programming section of this chapter. Perform the following steps g...
Page 84 - Example 2
Chapter 5 Programming © National Instruments Corporation 5-13 SCXI-1120 User Manual 3. Follow the steps outlined in the section earlier in this chapter, 3. Programming the Slot 0 Hardscan Circuitry, where step 3, Write the Slot 0 scan list to the FIFO, consists of thefollowing: Write 00000000 000000...
Page 85 - Example 3; Chassis 1
Programming Chapter 5 SCXI-1120 User Manual 5-14 © National Instruments Corporation 7. Follow the procedure given in the 4. Acquisition Enable, Triggering, and Servicing section earlier in this chapter. Example 3 You want to scan five channels on an SCXI-1120 in Slot 4 of Chassis 1, then seven chann...
Page 86 - Write
Chapter 5 Programming © National Instruments Corporation 5-15 SCXI-1120 User Manual 13. Toggle SLOT0SEL*. 14. Write XXXXX001 00000010 over MOSI. 15. Toggle SLOT0SEL*. 16. Write XXXXX011 10000000 over MOSI. 17. Select Slot 0 in Chassis 0.
Page 87 - Analog Input
© National Instruments Corporation A-1 SCXI-1120 User Manual Appendix ASpecifications This appendix lists the specifications for the SCXI-1120. These are typical at 25 ° C unless otherwise stated. The operating temperature range is 0 ° to 50 ° C. Analog Input Gain (jumper-selectable) 1, 2, 5, 10, 20...
Page 89 - Physical
Appendix A Specifications © National Instruments Corporation A-3 SCXI-1120 User Manual Note: You can find the temperature T ( ° C) as follows: T ( ° C) = T K - 273.15 where T K is the temperature in kelvin T K = 1 a + b lnR T ( ) + c lnR T ( ) 3 [ ] a = 1.288 x 10 -3 b = 2.356 x 10 -4 c = 9.556 x 10...
Page 93 - Figure C-1 shows the pinout of the SCXI-1120 SCXIbus connector.
© National Instruments Corporation C-1 SCXI-1120 User Manual Appendix CSCXIbus Connector This appendix describes the pinout and signal names for the SCXI-1120 96-pin SCXIbusconnector, including a description of each connection. Figure C-1 shows the pinout of the SCXI-1120 SCXIbus connector.
Page 94 - Figure C-1. SCXIbus Connector Pin Assignment
SCXIbus Connector Appendix C SCXI-1120 User Manual C-2 © National Instruments Corporation GUARDGUARDGUARD AB0- GUARDGUARDGUARD GUARDGUARDGUARD CHSGND CHSGND CHSGND CHSGND CHSGND RSVD INTR* D*/A V-V- CHSGNDCHSGND V+V+ +5 V MOSI SCANCON A1B1A2B2A3B3A4B4A5B5A6B6A7B7A8B8A9B9A10B10A11B11A12B12A13B13A14B1...
Page 96 - SCANCON
SCXIbus Connector Appendix C SCXI-1120 User Manual C-4 © National Instruments Corporation Pin Signal Name Description (continued) A24 TRIG0 TRIG0 – General-purpose trigger line used by theSCXI-1120 to send SCANCLK to other modules orreceive SCANCLK from other modules. Opencollector. I/O. B24 SS* Slo...
Page 99 - SCXI-1180 feedthrough panel
© National Instruments Corporation E-1 SCXI-1120 User Manual Appendix ESCXI-1120 Cabling This appendix describes how to use and install the hardware accessories for the SCXI-1120: • SCXI-1340 cable assembly • SCXI-1341 Lab-NB, Lab-PC, and Lab-PC+ cable assembly • SCXI-1342 PC-LPM-16 cable assembly •...
Page 101 - Check the installation.
Appendix E SCXI-1120 Cabling © National Instruments Corporation E-3 SCXI-1120 User Manual 5. Connect the loose end of the cable assembly to the MIO-16 board rear signal connector. Check the installation. After step 1, the order of these steps is not critical; however, it is easier to locate the corr...
Page 102 - Lab Board Pin
SCXI-1120 Cabling Appendix E SCXI-1120 User Manual E-4 © National Instruments Corporation Lab boards full access to the digital control lines and analog signals (except DTEMP), but the Labboards cannot scan channels in Multiplexed mode. Leave jumper W1 in position A on theSCXI-1341 and SCXI-1344. Th...
Page 103 - Rear Signal
Appendix E SCXI-1120 Cabling © National Instruments Corporation E-5 SCXI-1120 User Manual 6. For an SCXI-1341, connect the loose end of the ribbon cable to the Lab-NB, Lab-PC, or Lab-PC+ I/O connector. For an SCXI-1344, connect the two 26-pin connectors to theLab--LC according to the instructions gi...
Page 104 - SCXI-1180 Feedthrough Panel
SCXI-1120 Cabling Appendix E SCXI-1120 User Manual E-6 © National Instruments Corporation Table E-3. SCXI-1342 Pin Translations (Continued) PC-LPM-16 Pin PC-LPM-16 Signal Rear Signal Connector Pin SCXI-1120 Use 36 DOUT6 29 SLOT0SEL* 37 DOUT7 37 SERCLK 46 OUT2 46 No Connect 49 +5 V 34-35 No Connect A...
Page 105 - Make sure that the computer and the SCXI chassis are turned off.
Appendix E SCXI-1120 Cabling © National Instruments Corporation E-7 SCXI-1120 User Manual 1. Make sure that the computer and the SCXI chassis are turned off. 2. Remove the front filler panel of the slot where you will insert the SCXI-1180. 3. Thread the rear connector through the front of the chassi...
Page 106 - Connect the wires to the screw terminals.
SCXI-1120 Cabling Appendix E SCXI-1120 User Manual E-8 © National Instruments Corporation Front Panel Connector Front Panel Front Threaded Strip Ribbon Cable to Rear and Breakout Connectors Step 5 Figure E-3. SCXI-1180 Front Panel Installation SCXI-1302 50-Pin Terminal Block The SCXI-1302 terminal b...
Page 107 - Follow these steps to install the SCXI-1302:
Appendix E SCXI-1120 Cabling © National Instruments Corporation E-9 SCXI-1120 User Manual 50-Pin Connector Grounding Screw Thumbscrew Cutout Step 1 Step 2 Insert Screwdriver in Groove and Rotate to Pry Open Figure E-4. Cover Removal SCXI-1302 Installation Follow these steps to install the SCXI-1302:...
Page 108 - SCXI-1350 Multichassis Adapter
SCXI-1120 Cabling Appendix E SCXI-1120 User Manual E-10 © National Instruments Corporation SCXI-1351 Installation Follow these steps to install the SCXI-1351: 1. Make sure that the computer and the SCXI chassis are turned off. 2. Install the SCXI module in the chassis. 3. Connect the rear connector ...
Page 109 - multichassis adapters.; SCXI-1343 Rear Screw Terminal Adapter; Insert each wire through the adapter strain-relief opening.
Appendix E SCXI-1120 Cabling © National Instruments Corporation E-11 SCXI-1120 User Manual 5. Connect another ribbon cable or cable assembly to the chassis extender connector. 6. Plug the adapter board front connector to the module rear signal connector. Make sure a corner of the adapter board enter...
Page 111 - Figure F-1. Revision A and B SCXI-1120 Signal Conditioning Module
© National Instruments Corporation F-1 SCXI-1120 User Manual Appendix FRevision A and B Photo and Parts LocatorDiagrams This appendix contains a photograph of the Revision A and B SCXI-1120 signal conditioningmodule and the general and detailed parts locator diagrams. Figure F-1 shows the Revision A...
Page 112 - Figure F-2. Revision A and B SCXI-1120 General Parts Locator Diagram
Revision A and B Photo and Parts Locator Diagrams Appendix F SCXI-1120 User Manual F-2 © National Instruments Corporation Figure F-2. Revision A and B SCXI-1120 General Parts Locator Diagram
Page 114 - Branch Offices
© National Instruments Corporation G-1 SCXI-1120 User Manual Appendix GCustomer Communication For your convenience, this appendix contains forms to help you gather the information necessaryto help us solve technical problems you might have as well as a form you can use to comment onthe product docum...
Page 115 - Technical Support Form
Technical Support Form ___________________________________________________ Photocopy this form and update it each time you make changes to your software or hardware, and use the completedcopy of this form as a reference for your current configuration. Completing this form accurately before contactin...
Page 116 - SCXI-1120 Hardware Configuration Form
SCXI-1120 Hardware Configuration Form Record the settings and revisions of your hardware and software on the line to the right of each item. Complete anew copy of this form each time you revise your software or hardware configuration, and use this form as areference for your current configuration. C...
Page 117 - Documentation Comment Form
Documentation Comment Form National Instruments encourages you to comment on the documentation supplied with our products. Thisinformation helps us provide quality products to meet your needs. Title: SCXI-1120 User Manual Edition Date: August 1994 Part Number: 320425B-01 Please comment on the comple...
Page 118 - Prefix
© National Instruments Corporation Glossary-1 SCXI-1120 User Manual Glossary Prefix Meaning Value p- pico- 10 -12 n- nano- 10 -9 µ - micro- 10 -6 m- milli- 10 -3 k- kilo- 10 3 M- mega- 10 6 Numbers/Symbols ˚ degrees Ω ohms +5 V (signal) +5 VDC Source signal A A amperes AB0+ Positive Analog Bus 0 sig...
Page 122 - Index
SCXI-1120 User Manual Index- 1 © National Instruments Corporation Index Numbers/Symbols +5 V signal front connector, 2-13, D-2SCXIbus connector, 3-4, C-3 A AB0- signal, 3-4, C-3AB0+ signal, 3-4, C-3AB0EN bit, 4-4AC-coupled signal connection with high common-mode voltage, 2-15 analog configuration di...
Page 124 - register selection and write
Index SCXI-1120 User Manual Index- 3 © National Instruments Corporation register selection and write procedure, 5-2 DIG GND signal, 2-25, B-2digital control circuitry, 3-7 to 3-8digital I/O signal connections rear signal connector, 2-26 to 2-27SCXIbus pin equivalences with SCXI-1120 and data acquisi...
Page 130 - single-module parallel
Index SCXI-1120 User Manual Index- 9 © National Instruments Corporation analog and timing circuitry, 3-8 to 3-13 analog input block diagram, 3-9analog input channels, 3-9 to 3-10analog output circuitry, 3-12 to 3-13calibration, 3-10 to 3-12 block diagram, 3-1digital control circuitry, 3-7 to 3-8digi...
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Manual
National Instruments NI sbRIO-960x
Manual
National Instruments 6024E
Manual
National Instruments 3.x
Manual
National Instruments NI 784xR
Manual
National Instruments NI-Motion
Manual