GMCT20 Cable Installation Instructions
4
ni.com
Connectors
The cable connects a 20-pin female Positronic GMCT connector (GMCT20 connector) to a second
GMCT20 connector or twenty unterminated, tinned, and stripped wires. The GMCT20 connector
provides connection to the switch module. The second GMCT20 connector and unterminated cables
provide connection to your application. Figure 4 shows the pinout for the GMCT20 connector.
Figure 4.
GMCT20 Mating Connector
Cable Configurations
The GMCT20 cable is available in two configurations:
•
GMCT20-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 pinouts and the pin assignments listed in Table 1 to determine how to connect signals to your
application using the GMCT20-GMCT20 cable.
Refer to the
NI Switches Help
for a complete listing of channel names and pinouts.
In the following table, letters in parentheses reference the pin designators of the connector.
Table 1.
Pin Assignment for GMCT20-GMCT20 Cable
GMCT20 P1/P2 Pin
NI PXI-2585 Channel
NI PXI-2586 Channel
A
CH6 (A)
CH6 (A)
B
—
COM6 (B)
C
CH0 (C)
COM0 (C)
D
—
COM7 (D)
E
CH5 (E)
CH5 (E)
F
—
CH0 (F)
H
CH7 (H)
CH7 (H)
PIN B
PIN C
PIN X
PIN U
PIN A
PIN W
