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Attaching an STA-1800HC
4-1
4
Cabling and Wiring
This section describes the cabling and wiring required for attaching
accessories and I/O lines to your DAS-1800HC Series boards.
Caution:
To avoid electrical damage, turn off power to the computer and
any attached accessories before making connections to DAS-1800HC
Series boards.
Attaching an STA-1800HC
The STA-1800HC screw terminal accessory is an interface for I/O
connections to DAS-1800HC Series boards. This accessory contains the
following components:
●
A 100-pin female connector for cabling to the main I/O connector of
a DAS-1800HC Series board.
●
120 labeled screw terminals for connecting sensor outputs and test
equipment to the main I/O connector.
●
A CJC (Cold Junction Compensation) temperature circuit for
determining correction values for thermocouple inputs.
●
Four 37-pin male connectors for cabling to MB01 backplanes and
SSH accessories.
●
A breadboard area for user-installed circuitry.
Pin assignments for the main I/O connector of a STA-1800HC are a
mirror image of those for the 100-pin, main I/O connector of a
DAS-1800HC Series board, as shown in Figure 4-1 and Figure 4-2.
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