ABB ACQ80-04 Series - Connection Principle (R3; Connection with Internal Power Supply; Connection with External Power Supply

￭ Connection principle (R3…R8)
Connection with internal power supply
OUT1
+ 24 V DC
SGND
STO
UDC+
UDC-
A
K
2
1
3
4
OUT2
+ 24 V DC
IN1
IN2
34
35
36
37
38
Drive1
Control board2
Control logic3
To motor4
Activation switchK
Connection with external power supply
OUT1
+ 24 V DC
SGND
STO
UDC+
UDC-
A
2
1
3
4
OUT2
+ 24 V DC
IN1
IN2
34
35
36
37
38
+
24 V DC
-
K
Drive1
Control board2
Control logic3
To motor4
The Safe torque off function 151