ABB ACS880-107 Hardware Manual page 34

34 Hardware description
The drawing below shows an example of a 300 mm wide control equipment cubicle.
Front view
1
2
3
5
11
12
Item Explanation
1 Terminal block for auxiliary voltage distribution
4
2 24 V DC power supply for control circuits
3 Circuit breakers for control voltages
4 Space for installation of items 2 and 3 for a second inverter
unit
5 (On the left-hand side wall) Terminal blocks for control
circuits and auxiliary voltage distribution
6
6 BCU-xx control unit
7 Terminal blocks for control unit I/O (option +L504)
8...10 Mounting space for additional or optional circuitry
11 Earthing switch of inverter unit output (optional)
7
12 Control cable lead-through (optionally on the roof of the
cubicle)
8
9
10