Precision Digital PD865 - Manual (Page 21)

PD865 Snooper Modbus Serial Input Meter Instruction Manual
21
4-20 mA Output Connections
Connections for the 4-20 mA transmitter output are made to the
connector terminals labeled “mA OUT, I-, I+”. The 4-20 mA output may
be powered from an internal power supply (optional) or from an external
power supply.
Remote Display,
Chart Recorder,
etc.
+
-
P+
2 1
P-
24V OUT
1 2
mA OUT RLY2 RLY1
3 4 5 6
I- I+ NO COM NO COM
Figure 10: 4-20 mA Output Powered by Meter
Remote Display,
Chart Recorder,
etc.
+
-
External
Power
Supply
+ -
1 2
mA OUT RLY2 RLY1
3 4 5 6
I- I+ NO COM NO COM
Figure 11: 4-20 mA Output Powered Externally