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PXI-7901

16-ch General-Purpose SPDT

Relay Module

User’s Manual

Manual Rev.:

Rev. 1.1

Date:

February 7, 2020

Part Number:

50-17010-1010

Summary of Contents for PXI-7901

Page 1: ...PXI 7901 16 ch General Purpose SPDT Relay Module User s Manual Manual Rev Rev 1 1 Date February 7 2020 Part Number 50 17010 1010...

Page 2: ...idental or consequential damages arising out of the use or inability to use the product or documentation even if advised of the possibility of such damages This document contains proprietary informati...

Page 3: ...mers are encouraged to dispose of them in accordance with the product disposal and or recovery programs prescribed by their nation or company Battery Labels for products with battery California Propos...

Page 4: ...elp or service please contact us at Ask an Expert http askanexpert adlinktech com ADLINK Technology Inc Web Site http www adlinktech com Sales Service Service adlinktech com Telephone 886 2 8226 5877...

Page 5: ...anical Drawing 6 2 4 Installing the switch module into a PXI Platform 6 Chapter 3 Signal Connection 9 3 1 PXI 7901 Topology 9 3 2 PXI 7901 Pin assignment Description 9 3 3 TB 6201 Terminal Board 10 Ch...

Page 6: ...DLINK switch modules features specifications and applications Chapter 2 Installation Describes how to install a switch module into a PXI chassis For software library and utilities installation please...

Page 7: ...safety critical applications PXI 7901 module can switch to the preset state by either asserting emergency shutdown manually or watchdog timer overflow event 1 1 Features PXI specifications Rev 2 0 com...

Page 8: ...ax switching voltage 220VDC 250VAC Max switching power 50VA 60W Max carrying current 3A Failure rate 10 A Contact resistance 150m max Relay set reset time Operate time 5ms max Release time 5ms max Bou...

Page 9: ...2 pin D submale Operating temperature 0 to 55 C Storage temperature 20 to70 C Humidity 5 to 95 non condensing Power requirements when all relays are activated simultaneously 5V 3 3V 700mA 400mA Dimens...

Page 10: ...4 Introduction This page intentionally left blank...

Page 11: ...shipping materials and carton for future storage or shipping 2 2 Unpacking ADLINK switch module contains sensitive electronic components that can be easily damaged by static electricity The switch mod...

Page 12: ...ectors in the rear are used to link the chassis backplane With its modular rugged and high shock resistant mechanical features the switch module functions exceptionally well in any harsh environment a...

Page 13: ...Installation 7 Figure 2 Installing the switch module into a PXI platform...

Page 14: ...8 Installation This page intentionally left blank...

Page 15: ...are in their reset de energized state i e NC connects to COM 3 2 PXI 7901 Pin assignment Description 22 COM0 43 NO0 23 COM1 1 NC0 44 NO1 24 COM2 2 NC1 45 NO2 25 COM3 3 NC2 46 NO3 26 COM4 4 NC3 47 NO4...

Page 16: ...N Input Trigger input for handshaking operation S_ADV Output Scanner Advanced trigger output for handshaking operation SHDNn Input Active low Emergency Shutdown trigger 5V out Output Unregulated 5V DC...

Page 17: ...ndshaking the switch module provides eight channels of programmable digital I O interface to facilitate general purpose control applications To make full use of the flexible trigger and signaling syst...

Page 18: ...has been debounced and advanced to the next scanlist entry Users can also specify one time or cyclic scanning of scanlist entries This operating mode supports trigger signals for instrument handshakin...

Page 19: ...nstruments or external measurement devices that the relay contacts have settled and ready to take a new measurement The waveform polarity and pulse width of Scanner Advanced signal can also be softwar...

Page 20: ...re 7 the Scanner Advanced is set to pulsating mode Trigger In Scanner Advanced Relay Status P Pattern 3 4 Operation Start Figure 6 Handshaking operation Scanner Advanced set in pulsating mode Trigger...

Page 21: ...he end of the scanlist if one time scanning mode is selected or when a software scan abort command is received Connecting Trigger and Synchronize with External DMM In this example Agilent 33401A 6 1 2...

Page 22: ...DMM For more information on scanlist configuration scan mode setup start and stop functions of the auto scanning process please refer to the software programming users guide 4 4 Trigger Bus PXI speci...

Page 23: ...id line boxes represent the external physical signals on connectors while signals in the dotted line boxes represent the switch module s internal signal Figure 9 Available signal sources for Trigger B...

Page 24: ...an still read back the actual logic level on the I O line All digital lines are pulled up to 5V with 10k ohm input resistance Note that AUX 2 0 are dual function pins driving these pins while enabling...

Page 25: ...h The blue LED on the front panel of the switch module will switch off when it is ready for operation Tighten the screws on the front panel Note Microsoft Windows 2000 does not natively support hot sw...

Page 26: ...is enabled It will falsely trigger the Switch Module to enter shutdown mode This function is disabled by default For more information please refer to the software programming users guide 4 8 Watchdog...

Page 27: ...users must periodically reset the timer by software command If the timer is not being reset within the specified interval the switch module will generate an overflow signal and set the relay pattern...

Page 28: ...22 Operation Theorem This page intentionally left blank...

Page 29: ...not cover repair costs due to a Damage caused by not following instructions b Damage caused by carelessness on the users part during product transportation c Damage caused by fire earthquakes floods...

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