ABB ACS880-07 - Dual-Channel Connection with Internal Power Supply (BCU-X2)

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Dual-channel connection with internal power supply (BCU-x2)
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+24 V
OUT
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
1
2
2
3
Drive control unit1
Inverter module(s)2
To remaining inverter modules3
Activation switchK
310 The Safe torque off function