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National Instruments SCXI-1112, Руководство пользователя

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Chapter 2

SCXI-1112 Module Installation

SCXI-1112 User Manual

2-8

www.natinst.com

Figure 2-2.  

Removing the SCXI-1112

Removing Modules from Software

To remove a module from software, follow these steps after entering the 
Measurement & Automation Explorer utility.

1.

Click the + next to the Devices and Interfaces icon.

2.

Locate your SCXI chassis in the list. Display the list of modules in the 
chassis by clicking the + next to the Chassis icon.

3.

Right-click on the module or chassis you want to delete and click 
Delete.

4.

You will be presented with a confirmation window. Click Yes to 
continue deleting the module or chassis, or No to cancel this action.

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Cable

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Thumbscrews

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SCXI-1112 Module

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Chassis

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MAINFRAME 

SCXI

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Содержание SCXI-1112

Страница 1: ...SCXI SCXI 1112 User Manual 8 Channel Direct Connect Thermocouple Amplifier Module SCXI 1112 User Manual August 1999 Edition Part Number 322476A 01...

Страница 2: ...e 01 48 14 24 24 Germany 089 741 31 30 Greece 30 1 42 96 427 Hong Kong 2645 3186 India 91805275406 Israel 03 6120092 Italy 02 413091 Japan 03 5472 2970 Korea 02 596 7456 Mexico D F 5 280 7625 Mexico M...

Страница 3: ...n of the liability of National Instruments will apply regardless of the form of action whether in contract or tort including negligence Any action against National Instruments must be brought within o...

Страница 4: ...tion Unpacking 2 1 Module Installation 2 1 Configuration and Self Test 2 3 Auto Detecting Modules 2 4 Manually Adding Modules 2 4 Configuring the SCXI 1112 2 5 Self Test Verification 2 6 Troubleshooti...

Страница 5: ...Technical Support Resources Glossary Index Figures Figure 1 1 The Relationship between the Programming Environment NI DAQ and Your Hardware 1 3 Figure 2 1 Installing the SCXI 1112 2 2 Figure 2 2 Remo...

Страница 6: ...CH 0 7 stands for the signals ACH0 through ACH7 This icon to the left of bold italicized text denotes a note which alerts you to important information This icon to the left of bold italicized text den...

Страница 7: ...CXI module user manuals Read these manuals next for detailed information about signal connections and module configuration They also explain in greater detail how the module works and contain applicat...

Страница 8: ...single output that drives a single DAQ device channel You can auto zero and calibrate the SCXI 1112 There is a voltage reference onboard that you can access to perform external calibration You can us...

Страница 9: ...e LabVIEW Data Acquisition VI Library a series of VIs for using LabVIEW with National Instruments DAQ hardware is included with LabVIEW The LabVIEW Data Acquisition VI Library is functionally equivale...

Страница 10: ...s SCXI RTSI self calibration messaging and acquiring data to extended memory NI DAQ also internally handles the complex communication between the computer and the plug in device such as programming in...

Страница 11: ...ign of damage Notify National Instruments if the module appears damaged in any way Do not install a damaged module into your SCXI chassis Never touch the exposed pins of connectors Module Installation...

Страница 12: ...module Fasten the metal cable adapter to the rear threaded strip using the screws Attach the loose end of the cable to the MIO DAQ device Note Consult your cable assembly installation guide for more i...

Страница 13: ...Chassis ID This is an integer that uniquely identifies the chassis in a data acquisition application Select the Chassis Address This is needed to address the chassis in a multi chassis SCXI system Unl...

Страница 14: ...ur Measurement Automation Explorer software should now recognize your SCXI chassis and SCXI module s If the software did not recognize your modules check your cable connections and retry auto detectin...

Страница 15: ...er in this chapter to ensure that your SCXI system is communicating with the DAQ device Configuring the SCXI 1112 To configure your SCXI 1112 after auto detection or to alter your original configurati...

Страница 16: ...e your system configuration 1 If you get the warning message Unable to test chassis at this time you have not designated at least one module as connected to a DAQ device Return to the Configuring the...

Страница 17: ...I 1112 This section describes how to remove the SCXI 1112 from an SCXI chassis Removing the SCXI 1112 from an SCXI Chassis Only a qualified person who has read and understands all the safety informati...

Страница 18: ...1 Click the next to the Devices and Interfaces icon 2 Locate your SCXI chassis in the list Display the list of modules in the chassis by clicking the next to the Chassis icon 3 Right click on the modu...

Страница 19: ...rporation 2 9 SCXI 1112 User Manual Note Deleting the SCXI chassis deletes all modules in the chassis All configuration information for these modules is also lost Your SCXI chassis and or module s are...

Страница 20: ...r also includes connection instructions for the signals on the SCXI 1112 module connectors Caution Static electricity is a major cause of component failure To prevent damage to the electrical componen...

Страница 21: ...input range is the maximum measurable voltage difference between the positive and negative channel inputs The common mode input signal range of an SCXI 1112 module input channel is 11 V This common mo...

Страница 22: ...el x using the integer 1 x Auto Zero Calibration Switches Each channel of the SCXI 1112 has an auto zero calibration switch When this switch is closed the input signal is disconnected and the differen...

Страница 23: ...51 one slot cable extender with the SCXI 1112 module read this section Figure 3 2 shows the SCXI 1112 module rear signal connector pin assignments Figure 3 2 SCXI 1112 Module Rear Signal Connector Pin...

Страница 24: ...the module digital ground 25 SERDATIN Input Serial Data In The DAQ device uses this signal to program modules in all slots 26 SERDATOUT Output Serial Data Out A cabled module uses this signal to retur...

Страница 25: ...tected Digital I O Signal Connections Pins 24 through 27 29 33 36 37 43 and 46 constitute the digital I O lines of the rear signal connector The SCXI 1112 module digital input and output signals corre...

Страница 26: ...Figure 4 1 SCXI 1112 Module Block Diagram Lowpass Filter Open TC Detect Digital Control Calibration EEPROM MCH0 FIFO Autozero Control Switch Control SCXI Signal Connector Rear Signal Connector Switch...

Страница 27: ...ntrol circuitry consists of the Address Handler and the following registers Module ID Configuration EEPROM and Channel The Address Handler controls which register is being addressed The Module ID Regi...

Страница 28: ...his is the smallest interval in which you can switch between analog channels on the module and still measure voltages accurately The 3 s interchannel delay gives you a maximum sampling rate of 333 kHz...

Страница 29: ...0 mV Max working voltage signal common mode Each input should remain within 10 V of CGND Input damage level 42 VAC peak or VDC Inputs protected CH 0 7 CJSENSOR 0 7 Transfer Characteristics Nonlinearit...

Страница 30: ...t impedance 91 Dynamic Characteristics Bandwidth 2 Hz Scan interval per channel any gain 0 012 3 s 0 0061 10 s System noise referenced to input 5 Vrms Cold junction sensor accuracy 1 0 C Measurement a...

Страница 31: ...ge 1 A max Digital output specifications referenced to DGND VOH output logic high voltage 3 7 V min at 4 mA max VOL output logic low voltage 0 4 V max at 4 mA max Filters Cutoff frequency 3 dB 2 Hz NM...

Страница 32: ...ser Manual A 4 www natinst com Environment Operating temperature 0 to 50 C Storage temperature 55 to 150 C Relative humidity 5 to 90 noncondensing Power Requirements 5 V supply 15 mA max 15 V supply r...

Страница 33: ...ns FAQs and their corresponding answers or solutions including special sections devoted to our newest products The database is updated daily in response to new customer experiences and feedback Troubl...

Страница 34: ...te to provide information on local services You can access these Web sites from www natinst com worldwide If you have trouble connecting to our Web site please contact your local National Instruments...

Страница 35: ...g Value p pico 10 12 n nano 10 9 micro 10 6 m milli 10 3 k kilo 103 M mega 106 t tera 1012 Numbers Symbols 5 V 5 volt signal degrees ohms percent plus or minus A A amperes AC alternating current ACH a...

Страница 36: ...ports Ports usually consist of either four or eight digital channels CJSENSOR cold junction sensor CMRR common mode rejection ratio D D A digital to analog D A Data Address DAQ data acquisition 1 coll...

Страница 37: ...s driver software software that controls a specific hardware device such as a DAQ device F F farads FIFO first in first out memory buffer the first data stored is the first data sent to the acceptor F...

Страница 38: ...in inches INTR Interrupt I O input output the transfer of data to from a computer system involving communications channels operator interface devices and or data acquisition and control interfaces L L...

Страница 39: ...seconds SCANCLK scan clock signal SCXI Signal Conditioning eXtensions for Instrumentation the National Instruments product line for conditioning low level signals within an external chassis near senso...

Страница 40: ...ombination of hardware and or software elements typically used with a PC that has the functionality of a classic stand alone instrument 2 a LabVIEW software module VI which consists of a front panel u...

Страница 41: ...Automation Explorer 2 3 self test verification 2 6 troubleshooting 2 6 to 2 7 connectors See front connector rear signal connector D DAQD A signal table 3 5 3 6 DGND signal table 3 5 diagnostic resou...

Страница 42: ...6 pin assignments figure 3 4 pin descriptions table 3 5 SCXIbus to SCXI 1112 module rear signal connector to DAQ device pin equivalencies table 3 6 registers in digital control circuitry 4 2 removing...

Страница 43: ...g input amplifier characteristics A 1 to A 2 dynamic characteristics A 2 input characteristics A 1 transfer characteristics A 1 digital signals A 3 environment A 4 filters A 3 physical A 3 power requi...

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