ABB ACS880-07 - Dual-Channel Connection with Internal Power Supply (UCU-22

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Dual-channel connection with internal power supply (UCU-22…24)
OUT
SGND
STO1
STO2
XSTO
+24 V
XSTO OUT
OUT1
SGND
OUT2
SGND
24VDC CH1
GND CH1
24VDC CH2
GND CH2
FE
STO IN (X52)
24VDC CH1
GND CH1
24VDC CH2
GND CH2
FE
STO IN (X52)
24VDC CH1
GND CH1
24VDC CH2
GND CH2
FE
STO OUT (X51)
24VDC CH1
GND CH1
24VDC CH2
GND CH2
FE
STO OUT (X51)
1
2
2
3
K
Drive control unit1
Inverter module(s)2
To remaining inverter modules3
Activation switchK
The Safe torque off function 311