ABB ACQ810 - Page 24

24 Operation principle and hardware description
The control unit layout is shown below (cover assembly and protective coverings of the
slots removed).
Slots 1 for optional I/O
extensions
Slot 2 for optional
fieldbus adapter
Relay outputs
+24VD
Digital inputs
Digital input/outputs
Analog inputs
Analog outputs
Drive-to-drive link
Control panel / PC connection
Memory unit (JMU) connection
External 24 V power input
Safe torque off connection