
4-17Input and Output Cards
Original — December 1991 UM4.6:CS6003
Step 7: Set the calibrator CHANNEL SELECT switch to channel 1.
Step 8: Connect the millivolt source between the positive and
negative calibrator breakout terminals for channel 1, listed in
Table 4-9.
Table 4-9. Calibrator Breakout Terminal Assignments for Isolated
Low-Level Analog Input Cards
Breakout Terminal Function
1 No connection
2 Channel 2 –
3 Channel 2 +
4 No connection
5 No connection
6 Channel 1 +
7 No connection
8 Channel 1 –
9 No connection
10 No connection
11 No connection
12 No connection
13 Channel 3 –
14 No connection
15 Channel 3 +
16 No connection
17 No connection
18 Channel 4 +
19 Channel 4 –
20 No connection
Step 9: Table 4-10 lists the test voltage levels for the millivolt and
thermocouple input cards. Set the voltage source to voltage
level for 0.5 percent of span, as indicated in the table for the
input card type. Adjust the ZERO potentiometer for channel 1
until the calibrator numerical display fluctuates between 0016
and 0017.
4
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