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Siemens OCC-1 Installation Instructions Manual page 5

Output control card

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OCC-1 WIRING CHECKOUT CHART
Resistence
Between
Terminals
1 to 2
4 to 5
7 to 8
10 to 11
1-22 to chassis
2 to 3
3 to 4
5 to 6
6 to 7
8 to 9
9 to 10
11 to 12
12 to 13
17 to 18
19 to 20
21 to 22
16 to 17
18 to 19
20 to 21
Resistance
Desired
10K
5.6K
> 1 Meg
> 1 Meg
> 1 Meg
> 1 Meg
5
Possible Cause of
Problem
Line shorted
Line open
No EOL
Wrong EOL
Line shorted
Line open
No EOL
Wrong EOL
Short in wiring
Short in wiring
Line shorted
Short in wiring

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