179 Mass Flow Meter Pin-outs

9-pin Type "D"
Pin Description
1 No Connection
2 Flow Signal Output
3 +15 VDC
4 Power Common
5 -15 VDC
6 No Connection
7 Signal Common
8 Signal Common
9 No Connection
20-pin Edge Card
Pin Description
1 Chassis Ground.
2 Power Supply Common
3 Flow Output (0 to +5 VDC)
4 + 15 VDC
5 No Connection
6 No Connection
7 Key
8 No Connection
9 No Connection
10 Signal Common
A No Connection
B Signal Common
C Signal Common
D No Connection
E No Connection
F -15 VDC
G Key
J No Connection
K No Connection
L No Connection
15-pin Type "D"
Pin Description
1 No Connection
2 Flow Signal Output
3 No Connection
4 No Connection
5 Power Supply Common
6 -15 VDC
7 +15 VDC
8 No Connection
9 No Connection
10 No Connection
11 Signal Common
12 Signal Common
13-14 No Connection
15 Chassis Ground.

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