Precision Digital PD6400 - Manual (Page 25)

Model PD6400 High Voltage & Current Meter Instruction Manual
25
F4 Digital Input Connections
A digital input, F4, is standard on the meter. This digital input connected
with a normally open closure across F4 and COM, or with an active low
signal applied to F4.
Figure 19. F4 Digital Input Connections
4-20 mA Output Connections
Connections for the 4-20 mA transmitter output are made to the
connector terminals labeled MA OUT. The 4-20 mA output may be
powered internally or from an external power supply.
Figure 20. 4-20 mA Output Connections
Analog Output Transmitter Power Supply
The internal 24 VDC power supply powering the analog output may be
used to power other devices, if the analog output is not used. The I+
terminal is the +24 V and the R terminal is the return.
12-35 VDC
Power
Supply
+
4-20 mA
Input Meter
-
+
R I- I+
1 3 2
RELAY1
3 2 1
24 V
-
4-20 mA Input
Remote Display,
Chart Recorder, Etc.
- +
R I- I+
MA OUT
1 3 2
RELAY1
3 2 1
24 V
MA OUT