Hardware description
37
Swing-out frame layout
The swing-out frame inside the supply module cubicle provides space for the control
unit (RDCU), branching unit (APBU), I/O signal and auxiliary circuit terminal blocks,
breakers and relays.
The frame can be opened by removing the mounting screws and moving the swing-
out frame aside. Depending on selected options, the actual equipment may differ
from what is depicted below.
No.
Description
1
Auxiliary voltage distribution terminal block
2
24 V DC power supply
3
24 V DC back-up accumulator (auxiliary power
interface board [RAPI])
4
Supply module control unit (RDCU) including
the control board (RMIO)
5
Circuit breakers for auxiliary circuits
6
Ground fault monitoring relay (Q954)
7
Internal control relays
8
APBU Branching Unit
with parallel supply
modules
3
4
5
6
8
1
2
7
Summary of Contents for ACS800-17LC
Page 1: ...ABB industrial drives Hardware manual ACS800 17LC Drives 55 to 5200 kW ...
Page 4: ......
Page 10: ...Update notice 6 ...
Page 18: ...Table of contents 12 ...
Page 26: ...Safety instructions 20 ...
Page 32: ...Introduction to the manual 26 ...
Page 60: ...Hardware description 54 ...
Page 74: ...Mechanical installation 68 ...
Page 114: ...Electrical installation 108 ...
Page 142: ...Maintenance 136 ...
Page 150: ...Internal cooling circuit 144 ...
Page 179: ...Dimensions 173 Frame sizes R7i R7i and R8i R8i bottom entry exit ...
Page 180: ...Dimensions 174 Frame sizes R7i R7i and R8i R8i marine units C121 ...
Page 182: ...www abb com drives www abb com drivespartners Contact us 3AUA0000065339 Rev B EN 2016 06 07 ...