ABB ACS880-07CLC

￭ Frame n×R8i inverter unit (internal power supply)
WARNING!
Frame R8i inverter modules are as standard delivered with a jumper wire set that
supplies 24 V from connector X53 to X52. The jumper wire set must be removed
before wiring the Safe torque off circuit.
234 The Safe torque off function
 Frame n×R8i inverter unit (internal power supply)
+24 V
OUT1
SGND
IN1
IN2
XSTO
K
IN1
SGND
XSTO OUT
IN2
SGND
24VDC CH1
GND CH1
STO IN (X52)
24VDC CH2
FE
GND CH2
24VDC CH1
GND CH1
STO OUT (X51)
24VDC CH2
FE
GND CH2
24VDC CH1
GND CH1
STO IN (X52)
24VDC CH2
FE
GND CH2
24VDC CH1
GND CH1
STO OUT (X51)
24VDC CH2
FE
GND CH2
Control unit
Inverter module
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inverter module
Inverter module
192 The Safe torque off function