Precision Digital PD650 - Manual (Page 24)

Model PD650 Large Display Process Meter Instruction Manual
24
Signal Connections
Signal connections are made to a 10-position connector J1 on the Main Board.
This connector also includes connections for Enter, Acknowledgement, Reset
Total, and Common. Refer to Figure 3 for location of J1.
Figure 6. Two-Wire Transmitter Powered by Meter
Figure 7. Two-Wire Transmitter Powered by External Supply