Fluke 2640A - Manuals

DC POWER SOURCE The instrument may also be operated from a 9V to 16V dc power source wheneither the rear panel ground binding post or the power cord grounding conductoris connected properly. USE THE PROPER FUSE To avoid fire hazard, for fuse replacement use only a 1/4 ampere, 250V non-timedelay line...

i Table of Contents Chapter Title Page 1 Overview ........................................................................................... 1-1 1-1. Introduction .......................................................................................... 1-3 1-2. Instrument Features and Capabilities...

2640A/2645A NetDAQ Users Manual ii 2 Preparing for Operation .................................................................. 2-1 2-1. Introduction .......................................................................................... 2-3 2-2. Instrument Preparation ..............................

Contents (continued) iii 2-44. Setting Host Computer Networking Parameters .............................. 2-51 2-45. Installing NetDAQ Logger ............................................................... 2-52 2-46. Installing NetDAQ Logger with Trumpet.................................... 2-53 2-47...

2640A/2645A NetDAQ Users Manual iv 3-35. Default Configuration Settings ............................................................ 3-273-36. Using Configuration Lockout .............................................................. 3-283-37. Saving an Instrument’s Configuration as a Text File. ......

2640A/2645A NetDAQ Users Manual vi 6-29. Totalizer Sensitivity Test ............................................................ 6-28 6-30. Master Alarm Output Test ............................................................... 6-29 6-31. Trigger Input Test ............................................

vii List of Tables Table Title Page 1-1. Models, Options and Accessories ................................................................... 1-14 2-1. Front Panel Key Descriptions ......................................................................... 2-17 2-2. Annunciator Display Descriptions ......

ix List of Figures Figure Title Page 1-1. 2640A/2645A NetDAQ Networked Data Acquisition Units .......................... 1-3 1-2. 2640A/2645A Front Panel .............................................................................. 1-4 1-3. Typical Front Panel Display During Scanning and Monitoring...

1-1 Chapter 1 Overview Contents Page 1-1. Introduction .......................................................................................... 1-3 1-2. Instrument Features and Capabilities ................................................... 1-4 1-3. Analog Channels ..................................

Overview Introduction 1 1-3 Introduction 1-1. The 2640A and 2645A NetDAQ  Networked Data Acquisition Units are 20-channel front ends that operate in conjunction with NetDAQ Logger forWindows (hereafter known as NetDAQ Logger) to form a data acquisitionsystem. The instruments measure dc volts, ac vo...

2640A/2645A NetDAQ Users Manual 1-4 Instrument Features and Capabilities 1-2. The following describes the front and rear panels of the instrument and itscapabilities (Figures 1-2 to 1-4). NetDAQ NETWORKED DATA ACQUISITION UNIT COMM DIO MON ENTER CAL ENABLE REVIEW LAST MAX MIN REM AUTO SCAN MON SET M...

Overview Instrument Features and Capabilities 1 1-7 Analog Channels 1-3. The analog channel (1 to 20) measurement connections are made via theUniversal Input Module. External signal conditioning for the analog inputs is notnecessary. The host computer configures all analog channels using NetDAQLogge...

2640A/2645A NetDAQ Users Manual 1-8 Alarms 1-7. Two alarms, Alarm 1 and Alarm 2, can be applied to any configured channel. Analarm condition occurs when a measurement falls below a low alarm value orrises above a high alarm value. You can use alarms to trigger scanning (see“Alarm Triggering”) and to...

Overview Instrument Features and Capabilities 1 1-9 overflows (reaching the maximum count), the display briefly shows OL(overload) and begins counting from zero again A totalizer input from contact closures increments on the “open” portion of theswitch sequence close-open. To prevent switch contact ...

2640A/2645A NetDAQ Users Manual 1-10 Master Alarm 1-13. Master Alarm is an instrument output line that is logic low (nominal +0.8V dc)for as long as any channel is in alarm while scanning is active. The connectionuses the ALARM/TRIGGER I/O terminals MA and GND (Figure 1-4). This TTLoutput interfaces...

Overview NetDAQ Logger Features and Capabilities 1 1-11 You can combine Alarm Trigger with External Trigger and Interval Trigger. Forexample, set the Interval Trigger for 60 seconds (Interval 1) and the AlarmTrigger for 10 seconds (Interval 2). Scanning is at 60-second intervals exceptwhen a channel...

2640A/2645A NetDAQ Users Manual 1-12 operations refer to the instrument by BCN. NetDAQ Logger supports up to 20instruments for operation. You cannot operate an instrument from more than onehost computer at a time. Isolated Networks 1-19. An isolated network consists of only NetDAQ instruments and ho...

Overview Host Computer Requirements 1 1-13 Designate one instrument in the group as the Master and the others as Slaves. TheMaster controls scanning operations, including the scan intervals and method ofscan triggering. You can create only one group instrument. Scanning and Logging 1-24. When a scan...

2640A/2645A NetDAQ Users Manual 1-14 Host Computer Requirements 1-26. The host computer used for instrument operations must meet the followingminimum requirements: • IBM PC with an Intel 386 microprocessor or greater, running Windows 95,Windows NT, or Windows 3.1. • Color VGA Monitor. • A Hard disk ...

Overview Options and Accessories 1 1-15 Instrument Connector Set 1-28. The 2620A-100 is a complete set of input connectors: one Universal InputModule, one ALARM/TRIGGER I/O connector, and one DIGITAL I/Oconnector. A 2620A-100 Instrument Connector Set comes with each instrument.You can wire additiona...

2-1 Chapter 2 Preparing for Operation Contents Page 2-1. Introduction .......................................................................................... 2-3 2-2. Instrument Preparation ......................................................................... 2-3 2-3. Unpacking and Inspecting...

Preparing for Operation Instrument Preparation 2 2-5 Unpacking and Inspecting the Instrument 2-3. Verify the contents of the shipping package against the checklist in the package. Ifany items are missing or damaged, report the problem immediately to your Flukerepresentative. Carefully remove the ins...

2640A/2645A NetDAQ Users Manual 2-6 WARNING: IF VOLTAGES GREATER THAN 50V (2640A ONLY) ARE TO BE MEASURED, A SEPARATE EARTH GROUND MUST BE ATTACHED TO THIS REAR PANEL GROUND CONNECTOR WHEN THE INSTRUMENT IS OPERATED FROM BATTERY POWER. Line Cord (AC Operation) External Battery (DC Operation) + – Gro...

Preparing for Operation Instrument Preparation 2 2-7 DC Power 2-7. The instrument operates from any dc voltage between 9 and 16 volts. Powerconsumption is a nominal 6 watts. To connect the ALARM/TRIGGER I/Oconnector to the rear panel, complete the following procedure: 1. Remove the ALARM/TRIGGER I/O...

Preparing for Operation Instrument Preparation 2 2-11 Shielded Wiring 2-10. Use shielded wires and sensors (such as thermocouples) in environments whereelectrical noise is present, and connect the wire shield to the chassis groundterminal. Also refer to Appendix B "Noise, Shielding and Crosstalk...

2640A/2645A NetDAQ Users Manual 2-12 2. Loosen the wire clamp screw for the associated terminal. 3. Feed the wire into the gap between the connector body and the wire clamp. 4. Tighten the wire clamp; do not overtighten and crush the wire. 5. Repeat steps 2 through 4 for each wire. 6. Insert the con...

2640A/2645A NetDAQ Users Manual 2-14 + 9-16V DC PWR MA TO TI ALARM/TRIGGER I/O TR 3 2 1 0 – + +–MATOTI DC Positive InputDC Negative InputMaster Alarm OutputTrigger Out OutputTrigger In InputSignal Ground Instrument Connector +–23TR Instrument Function Connector Figure 2-6. ALARM/TRIGGER I/O Connecto...

Preparing for Operation Instrument Preparation 2 2-15 External Trigger Wiring for a Group Instrument 2-19. External Trigger Wiring for a group instrument refers to the triggeringconfiguration in which you connect the Master TO (Trigger Out) line to eachSlave TI (Trigger In) line and provide a common...

Preparing for Operation Instrument Preparation 2 2-17 Front Panel Controls 2-21. Use the front panel controls (Figure 2-8) to enter configuration parameters, andchoose monitoring functions. Table 2-1 summarizes the front panel controlfunctions. ENTER Selection Set/Review COMMunication Parameters Dis...

2640A/2645A NetDAQ Users Manual 2-18 Front Panel Indicators 2-22. The front panel indicators (Figure 2-9) consist of two five-digit displays and a setof annunciators. Table 2-2 summarizes the front panel indicator functions. REVIEW LAST MAX MIN REM AUTO SCAN MON SET Mx+B FUNCALARM ° C ° F RO mV AC D...

2640A/2645A NetDAQ Users Manual 2-20 Rear Panel Controls 2-23. The rear panel has a single control: the power switch (Figure 2-10). The powerswitch controls both ac and dc power inputs. Power Switch Applies AC and/or DC power to the instrument. Figure 2-10. Rear Panel Controls Rear Panel Indicators ...

Preparing for Operation Instrument Preparation 2 2-21 Front Panel Operating Procedures 2-25. Power-On Options 2-26. There are three power-on options as listed below: • Normal Power-On Turn power switch on. The instrument communicationparameters are the same as when the instrument was last turned off...

2640A/2645A NetDAQ Users Manual 2-22 Displaying a Monitor Channel 2-27. Perform the procedure in Figure 2-12 to monitor an instrument analog channel (01to 20) or computed channel (21 to 30). See Figure 2-13 for examples. • Channel Display When you press the MON key, the first monitor channeldisplaye...

2640A/2645A NetDAQ Users Manual 2-24 Displaying the Digital I/O Status 2-28. Perform the procedure in Figure 2-14 to display an instrument Digital I/O linestatus. The instrument updates the DIO display once per second. (See Figure 2-15for examples.) • Number Of DIO Lines There are eight DIO lines: D...

2640A/2645A NetDAQ Users Manual 2-26 Displaying the Totalizer Status 2-29. Perform the procedure in Figure 2-16 to display the instrument Totalizer status.The instrument updates the Totalizer display once per second. (See Figure 2-15for examples.) To clear the Totalizer count, cycle the instrument p...

Preparing for Operation Instrument Preparation 2 2-27 Reviewing and Setting the Base Channel Number 2-30. Perform the procedure in Figure 2-17 to review or set the Base Channel Number(BCN). The BCN identifies the instrument. The BCN is also the first two digits ofthe Global Channel Number (GCN), whi...

Preparing for Operation Instrument Preparation 2 2-29 Reviewing and Setting the Line Frequency 2-31. Perform the procedure in Figure 2-19 to review or set the line frequency. Linefrequency selection allows the instrument to optimize internal circuitry formaximum precision. (See Figure 2-20 for examp...

Preparing for Operation Instrument Preparation 2 2-31 Reviewing and Setting the Network Type 2-32. Perform the procedure in Figure 2-21 to review or set the network type to isolated.Perform the procedure in Figure 2-23 to review or set the network type to general.An isolated network consists of only...

2640A/2645A NetDAQ Users Manual 2-36 Reviewing and Setting the General Network Socket Port 2-33. Perform the procedure in Figure 2-25 to review or set the general network SocketPort (1024 to 65535). The default is 04369. In order to communicate with eachother, a host computer and an instrument must ...

Preparing for Operation Instrument Preparation 2 2-37 Reviewing and Setting the General Network IP Address 2-34. Perform the procedure in Figure 2-26 to review or set the instrument’s generalnetwork Internet Protocol (IP) address. (See Figure 2-24 for examples.) • General Network IP Address Enter th...

2640A/2645A NetDAQ Users Manual 2-38 Reviewing and Setting the Subnet Mask and Default Gateway 2-35. If communication between the host computer and the NetDAQ instrument passesthrough a router or gateway, you must set the subnet mask and default gatewayaddress on both the host computer and the instr...

Preparing for Operation Instrument Preparation 2 2-41 Viewing the Instrument Ethernet Address 2-36. Perform the procedure in Figure 2-28 to view the Instrument Ethernet address.(See Figure 2-29 for examples.) The network administrator must know theinstrument Ethernet address when the instrument oper...

Preparing for Operation Host Computer and Network Preparation 2 2-43 Host Computer and Network Preparation 2-37. This section contains information for preparing your host computer and setting upnetwork communication, as summarized in Figure 2-30. Installing Host Computer Ethernet Adapter 2-38. Skip ...

Preparing for Operation Host Computer and Network Preparation 2 2-45 Instrument and Host Computer Interconnection 2-39. You may interconnect NetDAQ instruments and host computer(s) with either10Base2 (coaxial) or 10BaseT (twisted pair) wiring. If your site is already wired,you will probably use the ...

2640A/2645A NetDAQ Users Manual 2-48 Interconnection Using 10Base2 (Coaxial) Wiring 2-41. P Caution Connect the ground lug on the 50-Ohm terminator to theinstrument ground terminal only when there is no othershield ground connected for the network. 10Base2 interconnection uses 50-Ohm coaxial cables ...

2640A/2645A NetDAQ Users Manual 2-50 Installing Host Computer Networking Software 2-43. To establish Ethernet communication in your host computer, you must do thefollowing: • Install a driver for the adapter • Install a TCP/IP protocol stack and Windows Socket (Winsock) software • Set host computer ...

Preparing for Operation Host Computer and Network Preparation 2 2-51 Setting Host Computer Networking Parameters 2-44. This section discusses how to set your host computer networking parameters afteryou install your adapter and networking software. I f you plan to install NetDAQLogger for general ne...

2640A/2645A NetDAQ Users Manual 2-52 Installing NetDAQ Logger 2-45. The NetDAQ Logger setup program automatically determines whether to installthe 32-bit (for Windows 95 and Windows NT) or 16-bit version of the software.The setup program will ask you to select isolated or general network operation.S...

Preparing for Operation Host Computer and Network Preparation 2 2-53 6. Check the setup. If the setup is correct, click Next to begin file transfer. If you want to change the setup, click Back to go to the appropriate screen andmake the changes. Click Next and check the setup again. If it is correct...

2640A/2645A NetDAQ Users Manual 2-54 6. Tell the setup program whether to modify your autoexec.bat file for the packetdriver. Click Next. 7. Select the program folder. The default name of the program folder or programgroup is Fluke NetDAQ Logger. You can select or type a different name.Click Next. 8...

Preparing for Operation Testing and Troubleshooting 2 2-55 “Installing Host Computer Networking Software” and “Setting HostComputer Networking Parameters” to configure the host computer for generalnetwork operation. Installing Trend Link for Fluke (Optional) 2-48. The Trend Link setup program automa...

2640A/2645A NetDAQ Users Manual 2-58 Troubleshooting Network Problems 2-51. Review the troubleshooting information below to help locate any networkproblems. Table 2-4 summarizes network messages reported by NetDAQ Loggerfor Windows. Table 2-5 is a summary of how to use the Ethernet LED indicatorson ...

3-1 Chapter 3 Configuring NetDAQ Logger for Windows Contents Page 3-1. Introduction .......................................................................................... 3-3 3-2. Starting NetDAQ Logger ................................................................. 3-3 3-3. The Main Window .....

Configuring NetDAQ Logger for Windows Introduction 3 3-3 Introduction 3-1. NetDAQ Logger provides an easy method for building configuration databases,transferring the configuration to the instrument, collecting data from theinstrument, and managing the collected data. This chapter provides instructi...

2640A/2645A NetDAQ Users Manual 3-4 ds002s.bmp Figure 3-1. NetDAQ Logger Main Window Configuring Network Communications 3-5. Before you can configure the instruments on your network and create setup filesfor these instrument configurations, you must configure your networkcommunications. This involve...

Configuring NetDAQ Logger for Windows Configuring Network Communications 3 3-5 The Communications Configuration Dialog Box 3-6. Use the Communications Configuration dialog box (Figure 3-2) to record yournetwork configuration. To open the Communications Configuration dialog box, selectSetup | Communi...

2640A/2645A NetDAQ Users Manual 3-6 ds007s.bmp 3. Click OK to return to the Communications Configuration File dialog box,which now lists the new instrument. For a general network, the IP addressappears after the instrument model number. 4. If you are on a general network, you may need to change the ...

Configuring NetDAQ Logger for Windows Configuring the Current Setup 3 3-7 Deleting an Instrument from the Network 3-8. Complete the following procedure to remove an instrument from the Instrumentson Network List, which is common to all setup files. Any instruments you deletein this procedure will no...

2640A/2645A NetDAQ Users Manual 3-8 Configuring the Current Setup 3-10. NetDAQ Logger keeps track of all instrument configuration information (e.g.,reading rate and measurement functions) for all the instruments represented on theicon bar. This collection of information is called the current setup. ...

Configuring NetDAQ Logger for Windows Configuring the Current Setup 3 3-9 ds004s.bmp Deleting an Instrument Icon 3-12. To delete an instrument icon, select Setup | Delete Instrument Icon. A messageappears warning you that the instrument’s configuration will be lost. If youchoose to delete the icon, ...

2640A/2645A NetDAQ Users Manual 3-10 When a grouped instrument is externally wired, you can select anycombination of trigger types for the Master instrument: Interval Trigger,External Trigger, or Alarm Trigger. NetDAQ Logger configures the Slavesfor External Trigger so they will respond to the trigg...

Configuring NetDAQ Logger for Windows Setup Files 3 3-11 Setup Files 3-14. NetDAQ Logger allows you to save the current setup in a file. You can open thesetup file later to reestablish the saved setup. Using setup files, you can create anynumber of setups in advance and use them when applicable. You...

2640A/2645A NetDAQ Users Manual 3-12 ds039s.bmp Opening a Setup File 3-16. If NetDAQ Logger is already active, you can load a saved setup into the currentsetup by opening a setup file. Before you open a setup file, you must stop loggingon all instruments. Use any of the following methods to open a s...

Configuring NetDAQ Logger for Windows Setup Files 3 3-13 ds001s.bmp Starting NetDAQ Logger with a Setup File 3-17. On Windows 95, there are several ways to start NetDAQ Logger and open aspecific setup file at the same time: • In the Windows Explorer or My Computer, you can double-click on the nameof...

2640A/2645A NetDAQ Users Manual 3-14 3. On the Shortcut tab, add the setup file name to the end of the commandline in the Target box (see “NetDAQ Logger Command Line” for thecommand lines). • You can use Start | Settings | Taskbar to modify the command line of NetDAQLogger to open a setup file whene...

Configuring NetDAQ Logger for Windows Configuring an Instrument 3 3-15 To activate NetDAQ Logger with the default setup: “pathname\netdaq32” To activate NetDAQ Logger with a specific setup file (for example, mysetup.stp): “pathname\netdaq32” “mysetup.stp” To activate NetDAQ Logger with a specific se...

2640A/2645A NetDAQ Users Manual 3-16 ds017s.bmp Figure 3-3. Instrument Configuration Dialog Box 1. Select Celsius or Fahrenheit to use as temperature units for thermocouple andRTD temperature measurements. 2. Select a monitor channel. This channel will automatically be displayed on theinstrument’s f...

Configuring NetDAQ Logger for Windows Configuring an Instrument 3 3-17 • External Only A scan is triggered immediately after the external trigger input is pulledlow (active). While the external trigger line remains low, each successivescan is triggered after Interval 2 elapses since the start of the...

2640A/2645A NetDAQ Users Manual 3-18 Configuring Channels 3-23. These procedures provide instructions for configuring an instrument’s analogchannels and computed channels. These instructions include selecting themeasurement function, enabling Mx+B scaling, configuring alarms, and enteringchannel lab...

Configuring NetDAQ Logger for Windows Configuring Channels 3 3-19 Configuring Analog Channel Functions 3-25. Analog channel functions include volts dc, volts ac, ohms, temperature(thermocouple and RTD), frequency, and dc current. To configure analog channelfunctions, complete the following procedure...

2640A/2645A NetDAQ Users Manual 3-20 Configuring Computed Channel Functions 3-26. Computed channel functions include average, difference, difference from average,and equation. To select computed channel functions, complete the followingprocedure: 1. Select a computed channel in the Channels Configur...

Configuring NetDAQ Logger for Windows Configuring Channels 3 3-21 3. If the equation contains an error, an error message appears. Click OK in theerror message box. If possible, NetDAQ Logger highlights the location of theerror in the equation. Change the equation as necessary and click OK to returnt...

2640A/2645A NetDAQ Users Manual 3-22 Allowed Not Allowed (-2*c21/c2)/(2*((c1+1)-(c21/c2)*(c1-1))) (-2*(abs(c1/(c2-c3)))) See Appendix E for syntax definition and more detailed information. Configuring Mx+B Scaling 3-29. Mx+B scaling multiplies a measurement by a multiplier (M) and then applies anoff...

Configuring NetDAQ Logger for Windows Configuring Channels 3 3-23 ds024s.bmp Configuring Alarms 3-30. Each channel has two alarms, each of which may be set to HI, LO, or OFF. Analarm condition occurs when a measurement falls below a low alarm value (LOalarm) or rises above a high alarm value (HI ala...

2640A/2645A NetDAQ Users Manual 3-24 3. Select a digital output if you would like to associate an alarm with a digitalI/O line. The instrument will set the digital I/O line to a TTL logic low for aslong as the alarm conditions is met. 4. Check Use Channel as Alarm Trigger if you would like an alarm ...

Configuring NetDAQ Logger for Windows Entering an Instrument’s Description 3 3-25 The values in the Mx+B file must have the following format: <channel number> <M value> <B value> <cr> <lf> Each parameter is separated by spaces or tabs and each definition ends with acarr...

2640A/2645A NetDAQ Users Manual 3-26 ds034s.bmp Copying a Channels Configuration 3-34. Complete the following procedure to copy a complete instrument channelsconfiguration from one instrument to another instrument. This includes channelFunctions, Mx+B Scaling, Alarms, and Channel Labels. For example...

Configuring NetDAQ Logger for Windows Default Configuration Settings 3 3-27 Default Configuration Settings 3-35. When you create a new instrument icon, NetDAQ Logger initializes the settingsfor that instrument to the default parameters. (See Table 3-1.) Table 3-1. NetDAQ Logger Default Instrument Co...

2640A/2645A NetDAQ Users Manual 3-28 Using Configuration Lockout 3-36. Use The Configuration Lockout feature to prevent accidental instrumentconfiguration changes. The following commands in the Setup menu will bedisabled: Create Instrument Icon, Delete Instrument Icon, Group Instruments,Communicatio...

Configuring NetDAQ Logger for Windows Configuring the netdaq.ini File 3 3-29 The configuration file is now saved as an ASCII text file. You can open the textfile for viewing or printing from an application such as Notepad. Refer to Figure3-5 for a typical text file. INSTRUMENT CONFIGURATION - 02 Des...

2640A/2645A NetDAQ Users Manual 3-30 The following describes the parameters in the netdaq.ini file. If you alter any of the settings, save the old file under a different name in case you want to revertback to the default settings. • MemoryWrapAround=True This is the instruction for the instrument to...

4-1 Chapter 4 Operating NetDAQ Logger for Windows Contents Page 4-1. Introduction .......................................................................................... 4-3 4-2. Starting and Stopping Logging............................................................. 4-3 4-3. Starting or Stoppi...

Operating NetDAQ Logger for Windows Introduction 4 4-3 Introduction 4-1. This chapter provides instructions for operating your system using NetDAQLogger after you have set up communications and configured the instruments.This includes starting and stopping logging, viewing and storing your data, and...

2640A/2645A NetDAQ Users Manual 4-4 To stop logging for an individual instrument, complete the following procedure: 1. Select the instrument’s icon. 2. Select Logging | Stop Instrument or click the Stop Instrument button on thetoolbar. If the menu command and button are dimmed, the instrument is not...

Operating NetDAQ Logger for Windows Starting and Stopping Logging 4 4-5 Clearing an Instrument’s Totalizer Value 4-5. If you check Logging | Clear Totalizer on Start, NetDAQ Logger will clear thetotalizer count in each instrument when you start logging for that instrument.Otherwise, the totalizer va...

2640A/2645A NetDAQ Users Manual 4-6 ds029s.bmp 3. Check Stop Scanning after Interval. Enter the hours/minutes/seconds for theduration. The maximum entry is 999 hours, 99 minutes, 99 seconds(999:99:99). 4. Click OK to return to the Main Window. Real-Time Displays 4-8. The Real-Time displays let you m...

Operating NetDAQ Logger for Windows Real-Time Displays 4 4-7 • Trend Link provides a wide range of features for trending real time data orpreviously collected data. See Chapter 5 of this manual for more informationon Trend Link. • Dynamic Data Exchange (DDE) links measurement data to other applicati...

2640A/2645A NetDAQ Users Manual 4-8 Instrument listed by BCN Number of scans in the instrument scan queue Number of scans retrieved and recorded. Listing of channels where alarms haveoccurred since the last status update. AlarmBell is displayedwhen at least one channel is in alarm. ds073c.eps The Re...

Operating NetDAQ Logger for Windows Real-Time Displays 4 4-9 ds300s.bmp 2. Select the icon of the instrument for which you would like to view incomingdata. If this instrument is not currently logging, select Logging | StartInstrument. The Spy Window 4-11. The Spy Window displays up-to-date measureme...

Operating NetDAQ Logger for Windows Real-Time Displays 4 4-11 Quick Plot 4-12. Quick Plot provides a quick way to get a simple graphical view of your loggingdata. Quick Plot samples the incoming scan data at a specified interval anddisplays a graphical trend of the data. For a more detailed view of ...

Operating NetDAQ Logger for Windows Data Files 4 4-13 Items: ‘Cnn’ (nn is the channel number 01 to 30) DIO (Digital I/O status, decimal equivalent of the 8 I/O lines) Totalizer (Totalizer count, 0 to 4294967295) Alarm1 (Alarm 1 status, decimal equivalent of the 30 Alarm 1 states) Alarm2 (Alarm 2 sta...

2640A/2645A NetDAQ Users Manual 4-14 • Trend Link The Trend Link data file format requires using the real-time trendingcapability offered by the Trend Link trending package. You can record datainto Fast Binary and then convert it into the Trend Link format. When using the Trend Link format, you may ...

Operating NetDAQ Logger for Windows Data Files 4 4-15 3. Select the desired File Format. For the Fast Binary or ASCII (CSV) format,select Append to File or Overwrite File. This file mode determines whathappens when logging starts if a data file of the same name exists. Enter textcharacters (79 maxim...

2640A/2645A NetDAQ Users Manual 4-16 6. Select the desired Auto Rollover type and its associated value. The data filemay be automatically rolled over when it reaches a specified size, when atime interval elapses from the last rollover, or at a particular time each day. To safeguard your data when re...

Operating NetDAQ Logger for Windows Data Files 4 4-17 ds301.bmp 12. Enter a batch name and the desired batch definition and click OK to return tothe Data File Configuration dialog box. Use the batch definition to tell NetDAQ Logger when to mark the start andstop points of batches: • Entire logging s...

2640A/2645A NetDAQ Users Manual 4-18 Converting Data Files 4-16. You can convert data files to other types for compatibility with your datamanagement applications. NetDAQ Logger performs the following conversions: • Binary to ASCII • ASCII to Text (timestamp conversion) • Binary to Trend Link Comple...

Operating NetDAQ Logger for Windows Optimizing Performance 4 4-19 The example below is a typical data file in text format. Off-scalemeasurements are recorded as +1.0E+9 (+overload) and -1.0E+9 (-overload).Open thermocouple measurements are recorded as +9.0E+9. Data File Name Number of Columns(An asy...

2640A/2645A NetDAQ Users Manual 4-20 Optimizing Performance 4-18. You can set up instrument operations to optimize either your system’s datacollection rate or measurement precision, depending on your requirements. Theprocedures in this section describe the options for optimizing performance. Optimiz...

Operating NetDAQ Logger for Windows Using Online Help 4 4-21 In addition, try to avoid running other tasks on the computer when you are writingto the data file. The following suggestions are: • Avoid using the Quick Plot, Spy, Readings Table, or Logging Statuswindows. • Avoid using the Trend Link wi...

5-1 Chapter 5 Using Trend Link for Fluke Contents Page 5-1. Introduction .......................................................................................... 5-3 5-2. Displaying a Trend Link Chart During Logging.............................. 5-3 5-3. Playing Back a Trend Link File in Trend Lin...

Using Trend Link for Fluke Introduction 5 5-3 Introduction 5-1. Trend Link for Fluke (Trend Link) graphs real time and historical data in theMicrosoft Windows environment. This chapter supports Trend Link operationwith a series of procedures to use in conjunction with NetDAQ Logger. Refer tothe Tren...

2640A/2645A NetDAQ Users Manual 5-4 Note If this is the first use of the Trend Link data file, allow a few secondsfor Trend Link to create the folder and files used for the chart. 4. To change the look of the chart, see "Getting the Right Look for your TrendLink Chart" later in this chapter....

Using Trend Link for Fluke Introduction 5 5-5 ds123s.bmp 3. Select the chart file to play back. For example, select c:\Program Files\Fluke\netdaq\_data.set\data.cht 4. Click OK. 5. Observe that the selected chart opens. Use the scroll bar at the bottom of thechart to display the measurement area of ...

2640A/2645A NetDAQ Users Manual 5-6 Playing Back an ASCII (CSV) File in Trend Link 5-5. To play back a NetDAQ Logger ASCII (CSV) data file in Trend Link, refer to“Importing Trend Link Data Files” in this chapter. Specify Fluke Format ( *.csv ) for the Import File Type. Be sure you do NOT import the ...

Using Trend Link for Fluke Introduction 5 5-7 Import the NetDAQ ASCII (CSV) File into Trend Link 5-9. Open Trend Link from the Programs list. Select Utilities | Import CSV Data todisplay the Import *.CSV File dialog box. Make the following selections: Target Data Set Double-click the Data Set you en...

2640A/2645A NetDAQ Users Manual 5-8 ds126s.bmp Examine the chart and perform any standard Trend Link procedures to view, print,and so forth. (See "Getting the Right Look for Your Trend Link Chart.") Title the Trend Link Chart 5-11. To open the Chart Title dialog box, select Preferences | Cha...

Using Trend Link for Fluke Introduction 5 5-9 ds139s.bmp Save the Trend Link Chart 5-12. To save the Trend Link chart, select File | Save As. Enter the path to your DataSet directory for the *.cht chart. For example, enter c:\Program Files\Fluke\netdaq\_data.set\data.cht. Click OK. ds150s.bmp Export...

2640A/2645A NetDAQ Users Manual 5-10 Link format. If this is not the case, see "Playing Back a Fast Binary (BIN) File inTrend Link" or "Playing Back an ASCII (CSV) File in Trend Link" for conversionprocedures. 1. Open Trend Link from Start | Programs. 2. Select File | Open and select...

Using Trend Link for Fluke Introduction 5 5-11 ds151s.bmp Deleting Old Trend Link Files 5-14. NetDAQ Logger creates a *.set file and a directory for every new Trend Link datafile. The directory name is identical to the Trend Link data file name, except foran underscore "_" character prefix. ...

2640A/2645A NetDAQ Users Manual 5-12 3. Repeat Steps 2 and 3 for each Trend Link Data Set being deleted. Getting the Right Look for Your Trend Link Chart 5-15. When you display a Trend Link chart, you can modify the chart appearance to suityour application. Use the Control Bar or various menu select...

Using Trend Link for Fluke Getting the Right Look for Your Trend Link Chart 5 5-13 Control Bar Historical Mode: Click to freeze the chart during the Real TimeMode, allowing you to use the scroll bar at the bottom of the chart toback up to any portion on the recorded chart. If you are collectingmeasu...

Using Trend Link for Fluke Getting the Right Look for Your Trend Link Chart 5 5-15 Using the Trend Link Menus 5-17. The Trend Link menus (below) allow you to modify the chart display appearanceand functionality. This section does not discuss menu functions repeated on theControl Bar. (See "Using...

2640A/2645A NetDAQ Users Manual 5-16 ds132s.bmp To change the default value so that all created charts will have a selected presetvalue in the Time Interval Window, use the Notepad accessory to modify c:\Program Files\Fluke\netdaq\tldef.cht . Find [Section: Curve Window], and add the line Curve Wind...

Using Trend Link for Fluke Getting the Right Look for Your Trend Link Chart 5 5-17 ds133s.bmp Configuring the Curve Status Display 5-20. Complete the following procedure to select the elements of the Curve Statusdisplay. The Curve Status display is the window at the bottom of the chartcontaining the...

2640A/2645A NetDAQ Users Manual 5-18 ds134s.bmp 2. Select the desired features of the Curve Status display by checking orunchecking each of the Sections Displayed listings. Click OK. Curve Preferences 5-21. Complete the following procedure to select the curve preferences. You cancustomize various at...

Using Trend Link for Fluke Getting the Right Look for Your Trend Link Chart 5 5-21 the left side of the curve window will include a display of scale values.Otherwise, a band without numbers will appear. Curve Type Select the type of curve: normal, highlight, shaded, or SPC(Statistical Processing Con...

2640A/2645A NetDAQ Users Manual 5-22 ds137s.bmp 2. The dialog box entries are as follows: • Bkgrnd Color: Choose the background color. • Grid Color: Choose the grid color. • Display Grid: This is the same as selecting Grid Lines On/Off on theControl Bar. • Calculate Interval: Select this option to e...

Using Trend Link for Fluke Getting the Right Look for Your Trend Link Chart 5 5-23 • Constant Interval: Select this option to enter the exact time interval thata vertical grid line should represent. • Pixel Width: Select this option to enter the distance between vertical gridlines in pixels. • Use s...

2640A/2645A NetDAQ Users Manual 5-24 1. Select Preferences | Chart Title to open the Chart Title dialog box. Enter thechart title name in the text box, for example, station one . Click OK. 2. Observe that the entered text appears at the top of the chart in the Title Bar. Using the Note System 5-25. ...

2640A/2645A NetDAQ Users Manual 5-26 ds141f.bmp Click OK to print the chart.

6-1 Chapter 6 Maintenance Contents Page 6-1. Introduction .......................................................................................... 6-3 6-2. Self-Test Diagnostics and Error Codes ................................................ 6-3 6-3. Cleaning.........................................

2640A/2645A NetDAQ Users Manual 6-4 Cleaning 6-3. Warning Keep the instrument dry to avoid electrical shock topersonnel or damage to the instrument. To preventdamage, never apply solvents to the instrument housing. Wipe the instrument with a cloth lightly dampened with water or mild detergent.Do not...

Maintenance Performance Test 6 6-5 1 Remove all Cables 2 Remove BottomScrews (4 places) 3 Remove Rear Bezel Screws (2 places) 4 Remove Rear Bezel and Case for Fuse Access Fuse (15/100A, 250V Time Delay) Bottom Top Figure 6-1. Replacing the Fuse

Maintenance Performance Test 6 6-9 Initializing the Performance Test Setup 6-7. Complete the following procedure to initialize the performance test setup. It isassumed you have configured the host computer and instrument as described in"Configuring the Performance Test Setup" (above). Testin...

Maintenance Performance Test 6 6-11 Accuracy Performance Tests 6-8. This accuracy performance test assumes you have completed "Initializing thePerformance Test Setup" above. Do not begin this test until the instrument hasbeen temperature stabilized for a minimum of 30 minutes. Do not use the...

Maintenance Performance Test 6 6-13 3. Verify Accuracy Configure the 5700A for the output values below andverify the Spy window measurement is between the minimum and maximumvalues. Change the channel 1 range as required (see Step 1). Volts DC Range 5700A Output Minimum Reading Maximum Reading 90 mV...

2640A/2645A NetDAQ Users Manual 6-14 3. Verify Accuracy Configure the 5700A for the output values below andverify the Spy window measurement is between the minimum and maximumvalues. Change the channel 1 range as required (see Step 1). Volts AC Range 5700A Output Minimum Reading Maximum Reading 300 ...

Maintenance Performance Test 6 6-15 Analog Channel Integrity Test 6-13. Complete the following procedure to test the integrity of each analog channel (2to 20) to verify each analog channel is capable of making measurements. 1. Configure Channel for Ohms In NetDAQ Logger, configure channels 2(then 3,...

2640A/2645A NetDAQ Users Manual 6-16 Thermocouple Temperature Accuracy Test 6-15. Ensure that the Accuracy Tests (above) have been completed before performingthis test. 1. Connect a Thermocouple Remove the Universal Input Module from theinstrument and connect the supplied type T thermocouple to the ...

2640A/2645A NetDAQ Users Manual 6-26 4. Verify Accuracy Insert the RTD and a mercury thermometer in a room-temperature bath. Allow 20 minutes for thermal stabilization. The valuedisplayed on the mercury thermometer should equal the value in the SpyWindow +0.25 ° C (2640A) or +0.80 ° C (2645A) plus s...

Maintenance Performance Test 6 6-27 8. Short Channel Inputs Remove the Universal Input Module from theinstrument and apply a short to channels 1 through 8. Reinstall the UniversalInput Module. 9. Start Instrument Scanning Select Logging | Start Instrument to start theinstrument scanning. The instrum...

2640A/2645A NetDAQ Users Manual 6-28 3. Verify Digital I/O Input for all Set Lines In sequence, individually groundeach DIO line to the GND line using the DIO wires connected in Step 1. Notethe change in the DIO status reported in the Spy window as follows: None grounded Reported DIO Status = 255DIO...

Maintenance Performance Test 6 6-29 2. Connect Test Leads At the DIGITAL I/O connector, connect the Σ (Totalizer) test lead and GND test lead to a signal generator’s outputterminals. Adjust the signal generator for an output of 1.5V rms sine wave at10 Hz. 3. Open Spy Window Select the Spy command fr...

2640A/2645A NetDAQ Users Manual 6-30 Trigger Input Test 6-31. This test checks the ability of the Trigger Input line to trigger measurementscanning. 1. Configure Trigger Input In NetDAQ Logger, configure the scan parametersfor External Trigger with an Interval 2 of 1 second. Be sure Interval Trigger...

Maintenance Calibration 6 6-31 4. Verify Trigger Output is Enabled In NetDAQ Logger, select Setup |Instrument Config. In the Instrument Configuration dialog box, verify theTrigger Out box is checked. Click OK to return to the Main Window. (See“The Instrument Configuration Dialog Box" in Chapter ...

2640A/2645A NetDAQ Users Manual 6-32 Note Do not press CAL ENABLE unless you have a copy of the ServiceManual and intend to calibrate the instrument. If you have activatedcalibration and wish to exit, press CAL ENABLE until the CALannunciator is removed from the display (or turn the power off). Addi...

Maintenance Calibration 6 6-33 Instrument Calibration Dialog Box 6-35. The Instrument Calibration dialog box (below) sets up the RS-232 port forcalibrating the instrument and provides calibration function selection. See theService Manual (PN 942615) for the calibration procedure. ds306s.bmp RS-232 P...

2640A/2645A NetDAQ Users Manual 6-34 ds308s.bmp Apply Displays the suggested value to apply to the instrument from the calibrator. Actual Enter the actual value applied to the instrument from the calibrator. Use avalue as close as possible to the suggested value for best calibration results. Perform...

Maintenance Service 6 6-35 Centers is provided in Appendix K of this manual. Be sure to pack the instrumentsecurely; use the original container if available. Include a description of theproblem. Fluke assumes no responsibility for damage in transit. For application or operation assistance or informa...

2640A/2645A NetDAQ Users Manual 6-36 Fluke offers a 1-year warranty for the 264XA-801 (Ethernet plug-in card) and264XA-802 (Ethernet Parallel-to-LAN adapter), and 264XA-803 (PCMCIAAdapter) options. Defective units may be returned to either Fluke or to the optionmanufacturer for repair or replacement...

Appendices Appendix Title Page A Specifications ....................................................................................... A-1 B Noise, Shielding, and Crosstalk Considerations .................................. B-1 C True-RMS Measurements ...................................................

A-1 Appendix A Specifications Introduction A-1. Specifications are divided into three sections. The first section contains thecombined specifications that apply equally to both the 2640A and 2645Ainstruments. The second section contains specifications that apply only to the2640A instrument. The thir...

Specifications 2640A/2645A Combined Specifications A A-5 Table A-3. 2640A/2645A DIGITAL I/O Specification (cont) Specification Characteristic Output Voltage - TTL Logical Zero 0.8V maximum for an I out of -1.0 mA (1 LSTTL load) Output Voltage - TTL Logical One 3.8V minimum for an I out of 0.05 mA (1...

2640A/2645A NetDAQ Users Manual A-6 Trigger Out A-8. Table A-5 provides a summary of the Trigger Out specifications. The Trigger Outoutput is located on the ALARM/TRIGGER I/O connector, terminals TO andGND. Table A-5. 2640A/2645A Trigger Out (TO) Specification Specification Characteristic TTL Logica...

2640A/2645A NetDAQ Users Manual A-8 2640A DC Voltage Measurement Specifications A-13. Tables A-9 to A-11 provide 2640A specifications for the dc voltage measurementfunction. Table A-9. 2640A DC Voltage Measurement General Specifications Specification Characteristic Input Impedance 100 M Ω in paralle...

Specifications 2640A Specifications A A-9 Table A-11. 2640A DC Voltage Accuracy Specifications Accuracy, 3 σ ± (% input + V) 18 ° C to 28 ° C -10 ° C to 60 ° C Range 90 Day 1 Year 1 Year Slow Fast Slow Fast Slow Fast 90 mV .01%+7 µV .01%+17 µV .013%+8 µV .013%+18 µV .042%+18.2µV .042%+44.2µV 300 mV ...

2640A/2645A NetDAQ Users Manual A-12 2640A 4-Wire Resistance Measurement Specifications A-15. Tables A-15 to A-17 provide 2640A specifications for the 4-wire resistancemeasurement function. The 4-wire measurements use 2 input channels a decadeapart, e.g., channels 4 and 14. Table A-15. 2640A 4-Wire ...

Specifications 2640A Specifications A A-13 2640A 2-Wire Resistance Measurement Specifications A-16. The 2640A specifications for the 2-wire resistance measurement function is basedon the 4-wire resistance measurement specification (above) except you add anominal 5-Ohm (10-Ohm maximum) positive offse...

2640A/2645A NetDAQ Users Manual A-16 2640A Frequency Measurement Specifications A-20. Tables A-22 to A-23 provide 2640A specifications for the frequency measurementfunction. Table A-22. 2640A Frequency Accuracy Specifications Frequency Measurement Accuracy, 1 Year, -10 º C to 60 º C Range Resolution...

Specifications 2645A Specifications A A-17 2645A Specifications A-21. This section includes specifications specific to the 2644A instrument bymeasurement function. 2645A DC Voltage Measurement Specifications A-22. Tables A-24 to A-26 provide 2645A specifications for the dc voltage measurementfunctio...

Specifications 2645A Specifications A A-19 2645A AC Voltage Measurement Specifications A-23. Tables A-27 to A-29 provide 2645A specifications for the ac voltage measurementfunction. Table A-27. 2645A AC Voltage General Specifications Specification Characteristic Input Impedance 1 M Ω in parallel wit...

Specifications 2645A Specifications A A-21 2645A 4-Wire Resistance Measurement Specifications A-24. Tables A-30 to A-32 provide 2645A specifications for the 4-wire resistancemeasurement function. The 4-wire measurements use 2 input channels a decadeapart, e.g., channels 4 and 14. Table A-30. 2645A 4...

2640A/2645A NetDAQ Users Manual A-22 2645A 2-Wire Resistance Measurement Specifications A-25. The 2645A specifications for the 2-wire resistance measurement function is basedon the 4-wire resistance measurement specification (above) except you add a 700to 1000 Ohm positive offset. This value varies ...

Specifications 2645A Specifications A A-25 2645A Frequency Measurement Specifications A-28. Tables A-37 to A-38 provide 2645A specifications for the frequency measurementfunction. Table A-37. 2645A Frequency Accuracy Specifications Frequency Measurement Accuracy, 1 Year, -10 º C to 60 º C Range Reso...

B-1 Appendix B Noise, Shielding, and Crosstalk Considerations Introduction B-1. This appendix supplies information on how you can setup your instruments tominimize measurement errors. The topics include static versus dynamicmeasurement, noise and shielding, and how to minimize crosstalk effects Stat...

2640A/2645A NetDAQ Users Manual B-2 reading rate and scan interval that is an exact multiple of the power line periodand cause line frequency noise to be aliased to a very low frequency, where itappears as drift, or instability, in the readings. For example, if the instrument is setto Reading Rate =...

Noise, Shielding, and Crosstalk Considerations Crosstalk Considerations B B-3 the routing of your input wiring: keep it away from or shielded from all acpower mains wiring and other sources of noise. 3. Channel Spacing When possible, leave as many unused channels as possiblebetween your ac voltage c...

C-1 Appendix C True-RMS Measurements Introduction C-1. The instrument measures the true rms value of ac voltages. In physical terms, therms (root-mean-square) value of an waveform is the equivalent dc value thatcauses the same amount of heat to be dissipated in a resistor. True rmsmeasurement greatl...

D-1 Appendix D RTD Linearization Introduction D-1. This appendix discusses Fixed-385 and Custom-385 RTD measurements withNetDAQ. Fixed-385 RTD D-2. The Fixed-385 RTD linearization uses segmented polynomials to approximate theCallendar Van-Dusen equation for a 385 RTD. R 0 may be specified via NetDAQ...

RTD Linearization Custom-385 RTD D D-3 Using the Custom-385 RTD with Other Platinum RTDs D-4. Although the Custom-385 RTD linearization uses a β and δ from a 385 RTD, other RTD types can be used. The Custom-385 linearization will compensate forthe change in α , but errors will be introduced due to t...

E-1 Appendix E Computed Channel Equations Introduction E-1. An equation is converted into a stored binary format which is sent to theinstrument where the calculations are performed during the processing of eachscan. Constants are passed to the instrument as single precision (4 byte) floatingpoint nu...

2640A/2645A NetDAQ Users Manual E-2 ″ ″ enclose literal characters or strings which must appear as shown (except forcase) () enclose groups of elements to clarify the scope of other symbols <equation> = <add-term> { (“+” | “-”) <add-term> } <add-term> = <mul-term { (“*” | ...

F-1 Appendix F Data File Format Introduction F-1. The ASCII (CSV) data file is maintained in comma-separated ASCII format. TheASCII format is compatible with data analysis and management tools runningsimultaneously in other computers on a network. A conversion utility, Binary toASCII Conversion (Uti...

G-1 Appendix G Dynamic Data Exchange (DDE) Introduction G-1. Dynamic Data Exchange (DDE) provides NetDAQ Logger data to other Windowsapplications in real time. For example, with a DDE connection, data collected byNetDAQ Logger can be displayed in a spreadsheet as it is being collected from theinstru...

2640A/2645A NetDAQ Users Manual G-2 DDE reference includes the Service Name, Topics, and Items: (cont) Service Name Topics Items NETDAQ for 16-bit NETDAQ32 for 32-bit Alarm1(The status of Alarm 1 for all30 channels is summarized asa 30-bit binary numberexpressed in decimal.) Alarm2(The status of Ala...

2640A/2645A NetDAQ Users Manual G-4 5. Continue by entering the following: Cell Formula A4 =NETDAQ32|bcn25!DIO A5 =NETDAQ32|bcn25!Totalizer A6 =NETDAQ32|bcn25!Alarm1 A7 =NETDAQ32|bcn25!Alarm2 A8 =NETDAQ32|bcn25!ElDateTime 6. Your entries will appear on the spreadsheet as shown below for the conditio...

Dynamic Data Exchange (DDE) DDE Example Using Excel G G-5 A note about the Alarm 1 and Alarm 2 values reported in Excel: The alarm value is the decimal equivalent of a 30-bit binary numberrepresents the alarm conditions for each of the 30 instrument channels (20analog and 10 computed channels). In t...

H-1 Appendix H Ethernet Cabling Introduction H-1. This appendix details the unshielded twisted-pair (UTP) cables used for 10BaseTEthernet interconnection. UTP cable configurations are summarized in Figure H-1. UTP Cables H-2. There are two types of UTP cables: patch cord cables and direct connection...

I-1 Appendix I Network Considerations Introduction I-1. This is a tutorial on commonly used Network communication technology and howto get started using the NetDAQ instruments. It’s not necessary to know the detailsof Network communication methods in order to use NetDAQ effectively.However, there ar...

2640A/2645A NetDAQ Users Manual I-2 low system data throughput because of the processing rate of host computers anddisk systems, and instruments that are physically close to the host computer. Now, the increased processing capability of affordable host computers, increasedchannel measurement rates, ...

Network Considerations Network Primer I I-3 2. Does the network contain more than one subnet? If so, what’s the IP address ofmy default gateway or router device? 3. Will all the routers route IP packets? 4. What are my domain and host names (optional)? The minimum information you need to get is the ...

2640A/2645A NetDAQ Users Manual I-4 the computers and other devices attached to the network wiring. The Ethernetstandard consists of a set of low-level addressing and data transmission protocolsthat run on several different wiring schemes. Computers on a network are usually referred to as a “host.” ...

Network Considerations Network Primer I I-5 • A Repeater is a device used to physically isolate and extend the length of anetwork segment, but it does not divide the network into subnets. • A hub is a device that allows communication among multiple 10BaseTnetwork hosts and allows these hosts to comm...

2640A/2645A NetDAQ Users Manual I-6 strips off the Frame information around the packet. So, unless you’re doing low-level analysis of network traffic, you never need to deal with Frame information. For any protocol, the Packet consists of a destination address, a source address,some protocol type in...

2640A/2645A NetDAQ Users Manual I-8 ID portion to be the higher order 24 bits of the IP address (a class C address).Using the Subnet Mask, the TCP/IP software is able to detect if a destinationaddress is in the local subnet or if the packet must be sent to another subnetthrough a Router or Gateway. ...

Network Considerations Network Primer I I-9 software sends out a broadcast frame that every TCP/IP host and router receives.This frame contains a request for the host with the unknown IP address to return aframe to the ARP requester. This response frame contains the Ethernet address ofthe sourcing h...

Network Considerations Network Primer I I-11 While a protocol section might look like the following: [NETMANAGE]DRIVERNAME=NETMNG$BINDINGS=EtherLinkII These two protocol.ini file sections describe a hardware driver characteristic for a 3COM EtherLink II hardware card and specifies that the NetManage...

Network Considerations Notes to Network Administrators I I-13 matching network ID. This process is generally referred to as routing the packet,and devices that do this are also referred to as Routers or Gateways. In many modern networks, the use of subnet masking and the default gateway isnot necess...

2640A/2645A NetDAQ Users Manual I-14 ARP protocol or have static routing tables, you don’t have to use these parameters.In the Proxy ARP protocol, the routing path between any two hosts isautomatically established by the routers during the ARP process. The NetDAQ PC software communicates with the Ne...

Network Considerations Running Two Network Cards in a PC I I-15 If your network contains routers, bridges, gateways, or other devices that dividethe network into subnets, and you intend to have the PC on a different subnet fromthe NetDAQ instrument(s), you need to make sure that the devices can rout...

2640A/2645A NetDAQ Users Manual I-16 Network drivers typically use PC soft interrupts to communicate with the protocolsoftware. If you’re using two network cards, and as a result, two drivers, you mustselect two different soft interrupt levels for the drivers. For example, Packetdrivers (used with T...

Network Considerations Troubleshooting Information I I-17 NetDAQ instrument and the PC default gateway addresses to make sure theyare set correctly. Check all network wiring. Make sure that 10Base2 terminators are placed atthe two open ends of the coax. Make sure that there is no more than onetermin...

2640A/2645A NetDAQ Users Manual I-18 Move your instrument to a less loaded subnet of your network or isolate theNetDAQ instruments on their own network. If possible, increase the scan interval. Use the Fast Binary file format rather than CSV or Trend Link formats. Make sure that there are few or no ...

Network Considerations Handling Token Ring Networks I I-19 7. Failure to communicate when using the Parallel to LAN Adapter (PLA) In some computers the speed of the parallel port hardware is insufficient tosupport the normal bi-directional communication used by the Silicom PLA. Inthese rare cases, y...

2640A/2645A NetDAQ Users Manual I-20 If you install Newt networking software on a token ring network on Windows 3.1,the Newt installation procedure must be modified slightly. When prompted for theinterface type in the “Add Interface” dialog box, use the list pull-down control todisplay the other typ...

Network Considerations Newt Networking Software I I-21 Ethernet Components and Wiring The NetDAQ instruments and host computershould be connected to the network as shown in Chapter 2 of this manual. Instrument Preparation Each NetDAQ instrument should be connected to an acoutlet or dc source with a ...

2640A/2645A NetDAQ Users Manual I-22 Link Driver EXP16ODI Port 300Frame Ethernet_802.3Frame Ethernet_IIProtocol IPX 0 Ethernet_802.3 Newt TCP/IP vs. Microsoft LANManager I-19. If you have the Microsoft LANManager software already installed on your PC,you do not need to install a new driver. However,...

Network Considerations Newt Networking Software I I-23 After configuring Vines for NDIS driver support, install Newt. Select "None"when asked for a hardware Vendor. Once Newt is installed, edit the protocol.ini file in the Vines directory to add the following section: [NETMANAGE] DRIVERNAME=...

2640A/2645A NetDAQ Users Manual I-24 • autoexec.bat Netmanage directory added to the path. • system.ini netmanage.dos added to the transport= line under the [Network Drivers] section. LoadRMDrivers= will be changed to Yes . • protocol.ini [NETMANAGE] section added that should have a BINDINGS= line t...

Network Considerations Newt Networking Software I I-25 d. Accept the default directory c:\netmanag . Click Continue. e. Acknowledge the Setup is Complete! message by clicking OK. 3. Select Interface | Add. Accept the Ethernet defaults. Click OK. If you are already using Novell NetWare Client softwar...

2640A/2645A NetDAQ Users Manual I-28 Write down the Physical (Ethernet) Address from the Custom window inside theback cover of this manual. Select File | Exit to close Newt.

Network Considerations Glossary I I-31 Glossary I-24. 10Base2 Network wiring scheme using 50 ohm coaxial cable (10 MHz,Baseband, 200 meter max. length). 10BaseT Also called UTP. Network wiring scheme using unshielded, twisted paircable (10 MHz, Baseband, Twisted Pair). API Application Programming In...

2640A/2645A NetDAQ Users Manual I-32 DNS Domain Name Service. A database and associated software packages thatprovides the means of establishing and accessing the relationship between thenames and IP addresses of network hosts. Domain A group of computers on the network may be assigned a domain name...

Network Considerations Glossary I I-33 IP A unit of information passed across an Internet. The IP portion of the TCP/IPprotocol is responsible for transmitting blocks of data from the source to thedestination using the IP addresses specified. It also provides for fragmentation andreassembly of data ...

2640A/2645A NetDAQ Users Manual I-34 Packet Driver A network device driver specification defined by 3COM. Packetdrivers support operation of only a single protocol stack over the driver andhardware interface. PC Personal Computer. A much misused term usually used to refer to a computerbuilt to compl...

Network Considerations Glossary I I-35 change to TCP/IP is contemplated, an RFC is issued over the Internet andeveryone is invited to comment on the change before its implementation. Router A router provides a communication path between two or more sections ofa network. It directs packets between se...

J-1 Appendix J Error Messages & Exception Conditions Introduction J-1. This appendix describes error messages and how NetDAQ Logger handlesexception conditions during operation. Communications Connection J-2. If the communications connection to an instrument is broken during logging, amodeless w...

2640A/2645A NetDAQ Users Manual J-2 invalid values into the fields of a dialog box. If a critical instrument error occurs(RAM constants failure or A/D not responding), a modeless window appears witha warning message. For a description of each error message, refer to Error andStatus Messages in the o...

Error Messages & Exception Conditions Error and Status Messages J J-3 [File Name] is not a valid ASCII file! You are trying to use an incompatible ASCII file for this conversion. Make sure you are selecting a NetDAQ ASCII (CSV) file. Other CSV formatssuch as Trend Link cannot be used with the Ne...

2640A/2645A NetDAQ Users Manual J-4 A/D Reference Balance Values Invalid! Continue? Your instrument has detected a fault during internal performance monitoring. This message does not appear under normal operating conditions. Note themessage and click Yes to continue operations or No to terminate ope...

Error Messages & Exception Conditions Error and Status Messages J J-5 All Slave instruments will become Async. Continue? You are setting a Master instrument back to an Asynchronous instrument. A group instrument consists of a Master and one or more Slaves. If you redefinethe Master as an Asynchr...

2640A/2645A NetDAQ Users Manual J-6 Associated configuration will change to reflect new instrument model.Continue? You are modifying an instrument model number in the CommunicationsConfiguration File, which will also modify the instrument model number for theassociated icon on the Icon Bar. Associat...

Error Messages & Exception Conditions Error and Status Messages J J-7 Boot ROM Failure! Continue? Your instrument has detected a fault during internal performance monitoring. This message does not appear under normal operating conditions. Note themessage and click Yes to continue operations or N...

2640A/2645A NetDAQ Users Manual J-8 A Data Set is opened for each instrument in a group instrument and each data setis created by appending 1 of 25 letters in the alphabet. If more than 25 letters arerequired, then this message appears. To delete old Trend Link files, see "DeletingOld Trend Link...

Error Messages & Exception Conditions Error and Status Messages J J-9 Cannot write to Trend Link Data Set! Check amount of free diskspace available. You are trying to write to a Trend Link data file on a disk drive that has little orno storage capacity. To use this disk drive, delete unneeded fi...

2640A/2645A NetDAQ Users Manual J-10 changes in the Auto Rollover dialog box and then cancels the Data FileConfiguration dialog box, the message will appear. Channel [GCN] must be defined for calculation of computed channel[GCN] You tried to reference a channel set to OFF in a computed channel defin...

Error Messages & Exception Conditions Error and Status Messages J J-11 Computed channel [Channel #]: Instrument equation buffer size limitswill be exceeded! The instrument’s buffer space for storing equation tokens (1000 bytes) has beenexceeded. Delete or modify the equations until they occupy n...

2640A/2645A NetDAQ Users Manual J-12 Connection Successful, but instrument has older software that willnot support computed channel equations or custom RTDs! You have successfully established communications with an instrument and cancontinue to operate, but you will not be able to use computed chann...

2640A/2645A NetDAQ Users Manual J-14 Error registering window class! Windows was unable to open NetDAQ Logger due to a conflict with otherversions of Windows, or Windows is operating with marginal memory. Error returned from Trend Link function [Error] The Trend Link application has experienced an e...

Error Messages & Exception Conditions Error and Status Messages J J-15 Existing data file is not compatible for appending! You tried to log data to a data file in the Append mode but have added orsubtracted instrument channels from the configuration since the previous loggingsession. Change the ...

2640A/2645A NetDAQ Users Manual J-16 Instrument [BCN] already has this filename! Your have configured more than one instrument with the same data file name. Check your data file names and make sure each instrument has a unique data filename, or uncheck Enable Data File Recording in the Data File Con...

Error Messages & Exception Conditions Error and Status Messages J J-17 Instrument model does not match! Reconfigure Communications! The instrument model does not match the entry in the CommunicationsConfiguration File. Modify the instrument model number in the Communications Configuration File(s...

2640A/2645A NetDAQ Users Manual J-18 Instrument Scan Queue Overflow! Oldest scans overwritten! NetDAQ Logger is unable to retrieve scans from the instruments quickly enoughand the instrument scan queue has overflowed. In this condition, the instrument isoverwriting the oldest scans and saving the ne...

Error Messages & Exception Conditions Error and Status Messages J J-19 Invalid Channel Number! Your equation contains a channel number that is not expressed with the correctsyntax. When used within an equation, channel numbers must be preceded by the letter‘c’ (or ‘C’). The channel number itself...

2640A/2645A NetDAQ Users Manual J-20 Invalid Minimum Value for Scaled Range! You have entered an invalid Minimum Value for the Mx+B Input Rangecalculation. Enter a Minimum Value that is less than +9.9999E+9. Invalid Minimum Value for Input Range! You have entered an invalid Minimum Value for the Mx+...

Error Messages & Exception Conditions Error and Status Messages J J-21 Low on memory! The current Windows memory level cannot support your operations. Close all applications and restart Windows. Maximum number of Instruments reached! You tried to add more than 20 instruments to the Icon Bar. The...

2640A/2645A NetDAQ Users Manual J-22 Missing right parenthesis! One of the sets of parentheses in your equation is not complete, leaving a leftparenthesis without a matching right one. Check each set of parentheses in your equation to locate the one that is missingthe right parenthesis. Must Select ...

Error Messages & Exception Conditions Error and Status Messages J J-23 No instruments are available for association! You tried to create an instrument icon from the Available Instruments list whenthere were no instruments listed. Instruments on the network are either shown as icons on the Icon B...

2640A/2645A NetDAQ Users Manual J-24 Out of Memory! Close another application and try again! You have run out of Windows memory. Close other applications to free Windows memory and continue operations. PC time earlier than existing Trend Link data! Verify PC time, wait [nn]seconds, or create a new D...

Error Messages & Exception Conditions Error and Status Messages J J-25 Primary Interval must range from 0 to 24 hours (86400 seconds)! You tried to enter a Primary Interval greater than 86400 or tried to enterextraneous characters. Enter numbers only between 00000.000 and 86400.000 for the Prima...

2640A/2645A NetDAQ Users Manual J-26 occurs, you must reconfigure communications to add the network parameters(select the Communications Config command from the Setup menu). ROM Failure! Continue? Your instrument has detected a fault during internal performance monitoring. This message does not appe...

Error Messages & Exception Conditions Error and Status Messages J J-27 Select at least one trigger type! Your scan parameters do not include a type of trigger. Configure your scan parameters to include at least one of the triggers: IntervalTrigger, External Trigger or Alarm Trigger. Selected Tre...

2640A/2645A NetDAQ Users Manual J-28 Socket Port Number must range from 1024 to 65535! You tried to enter a Socket Port number less than 1024, greater than 65535 orincluded extraneous characters. Enter a Socket Port number between 1024 and 65535. The default is 04369. There are no Trend Link data fi...

Error Messages & Exception Conditions Error and Status Messages J J-29 Token String is too Large! This equation exceeds the limit of 1000 bytes after it’s been converted into binaryformat. Once equations are converted into binary format (so they can be read by theinstrument) they cannot exceed 1...

Error Messages & Exception Conditions Error and Status Messages J J-31 Unable to load Trend Link DLL! NetDAQ Logger is unable to load the Trend Link c:\Program Files\Fluke\tl\tbase.dll into memory. Check that you have sufficient memory space to load tbase.dll , that the tbase.dll has not been co...

2640A/2645A NetDAQ Users Manual J-32 Unable to Open Setup File! You have specified a setup file name or directory that does not exist. Check your files and directories for the correct name and path. If you are usingthis setup file on the NetDAQ Logger command line, change the command line toa valid ...

Error Messages & Exception Conditions Error and Status Messages J J-33 in the Auto Rollover dialog box. You can change the minimum amount of freedisk space that can exist while logging to a Trend Link file by changing thesettings in the Low Disk Space for Trend Link section of the Auto Rollover ...

2640A/2645A NetDAQ Users Manual J-34 Window creation failed! Windows was unable to open NetDAQ Logger due to insufficient resources suchas insufficient memory in Windows. Close all applications and restart Windows to clear the resource problem. Winsock.dll not found! The winsock.dll file cannot be f...

K-1 Appendix K Fluke Service Centers USA CaliforniaFLWFluke Calibration CenterC/o FLW Service Corporation3505 Cadillac Ave., Bldg ECosta Mesa, CA 92626TEL: (714) 751-7512FAX: (714) 755-7332 DallasFluke Service Center2104 Hutton DriveSuite 112Carrollton, TX 75006TEL: (214) 406-1000FAX: (214) 247-5642...

1 Index —1— 10Base2 (Coax) wiring, interconnec- tion, 2-48 10BaseT (twisted-pair) Ethernet wiring , interconnection, 2-48 —2— 2640A 2-Wire resistance measurement specifications, A-13 2640A 4-Wire resistance measurement specifications, A-12 2640A ac voltage measurement specifications, A-9 2640A dc vo...

Instrument Parameter Record (Isolated Network) Instrument BCN: Note: Instrument BCN: Note: Instrument BCN: Note: Instrument BCN: Note: Instrument BCN: Note: Instrument BCN: Note: Instrument BCN: Note: Instrument BCN: Note: Instrument BCN: Note: Instrument BCN: Note: Instrument BCN: Note: Instrument ...

Instrument Parameter Record (General Network) Instrument BCN: IP Address: . . . Subnet Mask: . . . Default Gateway: . . . Ethernet Address: : : : : : Note: Instrument BCN: IP Address: . . . Subnet Mask: . . . Default Gateway: . . . Ethernet Address: : : : : : Note: Instrument BCN: IP Address: . . . ...