640 Pressure Controller Pin-outs

15-pin Type "D"
Pin Description
1 Valve Test Point
2 Pressure Signal Output
3 Valve Close (low
4 Valve Open (low)
5 Power Common
6 -15 VDC
7 +15 VDC
8 Set Point Input
9 No Connection
10 Optional Input
11 Signal Common
12 Signal Common
13 Trip Point A Out
14 Trip Point B Out
15 Chassis Ground.

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