959 Vacuum Gauge Controller Pin-outs

15-pin Accessory Connector
Pin Description
1 Relay 1 NC
2 Relay 1 NO
3 Relay 2 common
4 RS232 RCV
5 Analog Ground
6 Pirani Analog Output
7 Not Used
8 Digital Ground
9 Relay 1 Common
10 Relay 2 NC
11 Relay 2 NO
12 RS232 Tx
13 Combined Analog Output
14 Hot Cathode Analog Output
15 Not Used

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