1640 Pressure-based Mass Flow Controller Pin-outs

Pin Description
1 Valve Test Point
2 Flow Signal Output
3 Valve Close (TTL low)
4 Valve Open (TTL low)
5 Power Common
6 -15 VDC Input
7 +15 VDC Input
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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