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INSTALLATION INSTRUCTIONS

GMCT20 Cable

This guide describes how to connect and use the National Instruments GMCT20 cable, which has a 
maximum voltage rating of 300 V, CAT II. Use this cable to connect either the NI PXI-2585 or the 
NI PXI-2586 switch module to your application.

Caution

 Only use this cable with the NI PXI-2585 or NI PXI-2586 module.

The GMCT20 cable is available in two configurations:

GMCT20-GMCT20

GMCT20-BARE WIRE

Contents

Conventions ......................................................................................................................................... 1
What You Need to Get Started ............................................................................................................ 2
Getting Started with the GMCT20 Cable ............................................................................................ 2

Connectors ................................................................................................................................... 4

Cable Configurations ........................................................................................................................... 4

GMCT20-GMCT20 Cable........................................................................................................... 4
GMCT20-BARE WIRE Cable .................................................................................................... 5

Specifications....................................................................................................................................... 6

Environment................................................................................................................................. 6

Conventions

The following conventions are used in this guide:

»

The 

»

 symbol leads you through nested menu items and dialog box options to a final action. 

The sequence 

File»Page Setup»Options

 directs you to pull down the 

File

 menu, select the 

Page Setup

 item, and select 

Options

 from the last dialog box.

This icon denotes a caution, which advises you of precautions to take to avoid injury, data loss, 
or a system crash.

italic

Italic text denotes variables, emphasis, a cross-reference, or an introduction to a key concept. 
Italic text also denotes text that is a placeholder for a word or value that you must supply.

monospace

Text in this font denotes text or characters that you should enter from the keyboard, sections 
of code, programming examples, and syntax examples. This font is also used for the proper 
names of disk drives, paths, directories, programs, subprograms, subroutines, device names, 
functions, operations, variables, filenames, and extensions.

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Summary of Contents for GMCT20

Page 1: ...this guide The symbol leads you through nested menu items and dialog box options to a final action The sequence File Page Setup Options directs you to pull down the File menu select the Page Setup it...

Page 2: ...r application Refer to Figures 1 through 3 for illustrations of the cable and refer to Figure 4 for an illustration of the connector Caution Always de energize hazardous voltage sources before connect...

Page 3: ...ions section to determine how to connect signals to your application Connect the second GMCT20 connector on the cable to your application Connect the unterminated wires to your application Figure 2 GM...

Page 4: ...GMCT20 GMCT20 BARE WIRE The following sections describe each of the configurations GMCT20 GMCT20 Cable The GMCT20 GMCT20 cable is recommended for connecting the switch module to your system Use the pi...

Page 5: ...s to your application In the following table letters in parentheses reference the pin designators of the connector J COM5 J K CH1 K COM1 K L COM8 L M CH4 M CH4 M N CH1 N P CH8 P CH8 P R COM4 R S CH2 S...

Page 6: ...ower load greater than 400 A2 channels will damage the GMCT20 cable under certain conditions Refer to the NI PXI 2586 Specifications for example calculations and additional information about load dera...

Page 7: ...GMCT20 300 V CAT II NI GMCT20 NI PXI 2585 NI PXI 2586 NI PXI 2585 NI PXI 2586 GMCT20 2 GMCT20 GMCT20 GMCT20 BARE WIRE 1 2 GMCT20 2 4 4 GMCT20 GMCT20 4 GMCT20 BARE WIRE 5 6 6 monospace...

Page 8: ...GMCT20 2 ni com jp GMCT20 NI PXI 2585 NI PXI 2586 1 4 0 6 cm GMCT20 1 3 4 1 1 GMCT20 1 NI PXI 2585 2 1 4 0 6 cm 1 2 GMCT20 3 NI PXI 2585 NI PXI 2585 10x1 Power Multiplexer 3 2 1...

Page 9: ...National Instruments Corporation 3 GMCT20 3 1 2 2 GMCT20 2 GMCT20 GMCT20 3 GMCT20 BARE WIRE 1 GMCT20 2 1 GMCT20 2 3 20 1 1 2 2 1 2 3...

Page 10: ...GMCT20 2 GMCT20 4 GMCT20 4 GMCT20 GMCT20 2 GMCT20 GMCT20 GMCT20 BARE WIRE GMCT20 GMCT20 GMCT20 GMCT20 1 GMCT20 GMCT20 NI 1 GMCT20 GMCT20 GMCT20 P1 P2 NI PXI 2585 NI PXI 2586 A CH6 A CH6 A B COM6 B C...

Page 11: ...M1 K L COM8 L M CH4 M CH4 M N CH1 N P CH8 P CH8 P R COM4 R S CH2 S COM2 S T COM9 T U COM0 U CH3 U V CH2 V W CH9 W CH9 W X CH3 X COM3 X 2 GMCT20 BARE WIRE GMCT20 NI PXI 2585 NI PXI 2586 A CH6 A CH6 A B...

Page 12: ...2009 National Instruments Corporation All rights reserved 375861A 01 2009 8 300 V CAT II 400 A2 GMCT20 NI PXI 2586 12 A 2 GMCT20 GMCT20 499 g 17 6 oz GMCT20 BARE WIRE 748 g 26 4 oz 0 55 20 70 5 85 2 2...

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