ABB ACQ80-04 Series - Wiring; Connection Principle (R0; Connection with Internal Power Supply; Connection with External Power Supply

Wiring
For the electrical specifications of the STO connection, see the technical data of the control
board.
￭ Connection principle (R0…R2)
Connection with internal power supply
OUT1
+ 24 V DC
IN1
IN2
SGND
UDC+
UDC-
A
K
2
1
3
4
Drive1
Control board2
Control logic3
To motor4
Activation switchK
Connection with external power supply
+
OUT1
IN1
IN2
SGND
24 V DC
UDC+
UDC-
+ 24 V DC
-
K
2
1
3
4
A
The Safe torque off function 149