Connection Examples Of Two-Wire And Three-Wire Sensors - ABB ACS560 Hardware Manual

500 ohm
1 kohm

Connection examples of two-wire and three-wire sensors

Connection examples of two-wire and three-wire sensors
PID macros (see ACS560 firmware manual (3AXD50000016097 [English])) use
PID macros (see ACS560 firmware manual (3AXD50000016097 [English])) use
analog input 2 (AI2). The macro wiring diagrams on these pages use an externally
analog input 2 (AI2). The macro wiring diagrams on these pages use an externally
powered sensor (connections not shown). The figures below give examples of
powered sensor (connections not shown). The figures below give examples of
connections using a two-wire or three-wire sensor/transmitter supplied by the drive
connections using a two-wire or three-wire sensor/transmitter supplied by the
auxiliary voltage output.
drive auxiliary voltage output.
Note: Maximum capability of the auxiliary 24 V DC (250 mA) output must not be
Note: Maximum capability of the auxiliary 24 V DC (250 mA) output must not be
exceeded.
exceeded.
Two-wire sensor/transmitter
-
4...20 mA
P
+
I
Note: The sensor is supplied through its current output and the drive feeds the
Note: The sensor is supplied through its current output and the drive feeds the supply
supply voltage (+24 V DC). Thus the output signal must be 4...20 mA, not 0...20
voltage (+24 V DC). Thus the output signal must be 4...20 mA, not 0...20 mA.
mA.
Three-wire sensor/transmitter
OUT (0)4...20 mA
P
-
I
+
X1
8 AO2 Analog output 2. Default output 0...20 mA.
Analog common ground. Internally connected
9 AGND
to chassis through a 2 Mohm resistor.
X1
8 AO2 Analog output 2. Default output 0...20 mA.
1 kohm
Analog common ground. Internally connected
9 AGND
to chassis through a 2 Mohm resistor.
X1
5 AI2 Process actual value measurement or reference,
0(4)...20 mA, R
6 AGND
...
10 +24V Auxiliary voltage output, non-isolated,
+24 V DC, max. 250 mA
11 DGND
X1
5 AI2 Process actual value measurement or reference,
0(4)...20 mA, R
6 AGND
...
10 +24V Auxiliary voltage output, non-isolated,
Electrical installation 109
Electrical installation 97
= 100 ohm
in
= 100 ohm
in