P2A (PFC-20) Mass Flow Controller Pin-outs

9-pin Type "D"
Pin Description
1 Valve Open/Close
2 Flow Signal Output
3 +15 VDC
4 Power Common
5 No Connection
6 Set Point
7 Signal Common
8 Signal Common
9 Valve Test Point
15-pin Type "D"
Pin Description
1 Valve Test Point
2 Flow Signal Output
3 Valve Close
4 Valve Open
5 Power Common
6 No Connection
7 +15 VDC
8 Set Point Input
9 Zero (flow)
10 Optional Input
11 Signal Common
12 Signal Common
13 No Connection
14 No Connection
15 Chassis Ground

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