■ Single ACS880-07 drive, internal power supply
Dual-channel connection
+24 V
OUT
SGND
IN2
UDC+
UDC–
A
K
IN1
1
2
3
4
Drive1
Control unit2
Control logic3
To motor4
Activation switchK
* "OUT1" with ZCU-12 control unit
Single-channel connection
Note:
• Both STO inputs (IN1, IN2) must be connected to the activation switch. Otherwise, no SIL/PL classification
is given.
• Pay special attention to avoiding any potential failure modes for the wiring. For example, use shielded cable.
For measures for fault exclusion of wiring, see eg. EN ISO 13849-2:2012, table D.4.
Drive1
Control unit2
Activation switchK
* "OUT1" with ZCU-12 control unit
248 The Safe torque off function