ABB ACS380 Hardware Manual page 71

Connection examples of two-wire and three-wire sensors
The figures give examples of connections for a two-wire or three-wire
sensor/transmitter that is supplied by the auxiliary voltage output of the drive.
Note: Do not exceed the maximum capability of the auxiliary 24 V (200 mA) output.
Two-wire sensor/transmitter
-
4...20 mA
P
+
I
Note: The sensor is supplied through its current output and the drive feeds the supply
voltage (+24 V). The output signal must be 4...20 mA, not 0...20 mA.
Three-wire sensor/transmitter
(0)4...20 mA
OUT
P
-
I
+
AI2 Process actual value measurement or reference,
0(4)...20 mA, R
AGND
+24V Auxiliary voltage output, non-isolated,
+24 V DC, max. 200 mA
DGND
AI2 Process actual value measurement or reference,
0(4)...20 mA, R
AGND
+24V Auxiliary voltage output, non-isolated,
+24 V DC, max. 200 mA
DGND
Electrical installation 71
= 137 ohm
in
= 137 ohm
in