947 Convection Enhanced Pirani Pin-outs

Gauge Connector
9-pin Female
Tube Pin# Controller Pin#
1, 6 1, 6
5, 9 5, 9
3 3
4 4
8 8
7 7
2 to cable drain
Accessory Connector
9-pin Male
Pin Description
1 Set Point Relay 1 - Normally Closed Contact
2 Set Point Relay 1 - Normally Open Contact
3 Set Point Relay 2 - Common
4 Not Used
5 Analog Output Voltage (+)
6 Set Point Relay 1 - Common
7 Set Point Relay 2 - Normally Closed Contact
8 Set Point Relay 2 - Normally Open Contact
9 Analog Output Voltage (-)

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