Air Products Gasguard 250, Installation Manual

Page: 38 / 68

Gasguard
®
250 VMB System Installation Manual
Air Products and Chemicals, Inc. Page 4 - 8
Digital Outputs Dry (Relay Output Board Pin-Outs)
24 VDC @ 1 Amp maximum
Digital Output #
NO
Terminal 1
COMMON
Terminal 1
NC
Terminal 1
1 41 42 43
2 44 45 46
3 47 48 49
4 50 51 52
Digital Output #
NO
Terminal 2
COMMON
Terminal 2
NC
Terminal 2
5 53 54 55
6 56 57 58
7 59 60 61
8 62 63 64
Digital Inputs (Main I/O Board Pin-Outs)
Digital Input #
+ 24 V
Terminal #7
Ground
Terminal #7
2 11 12
3 13 14
4 15 16
5 17 18
Digital Input #
+ 24 V
Terminal #11
Ground
Terminal #11
6 21 22
7 23 24
8 25 26
9 27 28
Digital Input #
+ 24 V
Aux. Terminal
Ground
Aux. Terminal
22 A1 A2
23 A3 A4