4.4.1 Connection of the 4-20 mA current output
The current output can be connected to an external device (PLC,...) with either sourcing or
sinking 4-20 mA entry.
Set the Sourcing/sinking switch to the desired position by power off.
PLC / Valve
4-20 mA
Switch set to
sourcing mode
PLC / Valve
4-20 mA
Switch set to
sinking mode
(*)
If direct earthing is impossible, connect a 100 nF/50 V-condensator between the negative terminal of the power supply and the
earth.
8041
INSTALLATION
300 mA
+
-
I
1 2 3 4 5 6
4...20 V+ V- PE Pls+Pls-
Connection in sourcing mode
300 mA
+
-
I
1 2 3 4 5 6
4...20 V+ V- PE Pls+Pls-
Connection in sinking mode
27
+
Power supply
-
18-36 VDC
(*)
Power supply
+
18-36 VDC
-
(*)