Chapter Two: Installation
Electrical Information
33
Terminal Block 1 (TB1) Pinout (Type 623H only)
Pin Number
Signal
1
Power Common
2
Signal Common
3
Signal Output
4
- 15 VDC
5
+ 15 VDC
Chassis Ground is made by using the screw labeled
CHASSIS
Table 10: Post Assignments of Type 623H Transducer, TB1
Terminal Block 2 (TB2) Pinout (Type 623H only)
Pin Number
Signal
1
Trip Point A Level (0 to 10 Volts)*
2
Trip Point A Relay, Normally Closed
3
Trip Point A Relay, Common
4
Trip Point A Relay, Normally Open
5
Trip Point B Relay, Normally Open
6
Trip Point B Relay, Common
7
Trip Point B Relay, Normally Closed
8
Trip Point B Level (0 to 10 Volts)*
* Use pin 2 of TB1 for trip point signal common
Table 11: Post Assignments of Type 623H Transducer, TB2
