ABB ACS580-04 Hardware Manual page 139

An example of a Safe torque off wiring with external +24 V DC power supply is shown
below.
Drive
34 OUT1
35 OUT2
36 SGND
IN1
37
IN2
38
+24 V DC external
power supply
-
+
13 23 31
K
Safety relay
14 24 32
Safe torque off function 139
Safe PLC
OUT
Y1 Y2
A1 A2
GND