Chapter 3 – Hardware Description
3-2
ACA 635 IGBT Supply Sections
Auxiliary Control Unit
The following components are located in the Auxiliary Control Unit:
•
Drive Control Unit (NDCU), which includes an Application and Motor
Controller (NAMC) Board and a standard I/O (NIOC) Board
•
Optical Branching Unit (NPBU) with parallel connected IGBT Supply
Units (frames 2 or 4 times R11i and R12i). NPBU is connected
between NAMC and NINT boards (inside the converter module).
•
Control voltage supply (fuses and transformer)
•
On/off switch on the cabinet door and relays
•
Optional CDP 312 Control Panel and NLMD-01 Monitoring Display
•
Optional voltage and current meters
•
Control wiring and relays
•
Auxiliary voltage filter for sensitive equipment (
I
N
= 17 A, 230/115 V)
•
Optional emergency and earth fault protection components
•
Other options (fieldbus adapter modules, man/machine interfaces
etc.)
Incoming Unit
The following components are located in the Incoming Unit:
•
Terminals for the input power (a.c. supply) connection
•
Frames R8i to R10i:
switch fuse (including AC fuses) and main
contactor.
Frames R11i and above:
air circuit breaker.
•
Optional earthing switch
•
Charging fuses and contactor
•
Current transformer of optional ammeters
Filter Unit
The following components are located in the Filter Unit:
•
AC filter
•
Cooling fan for filter
•
Charging resistors
•
AC fuses (frames R11i and above)
Summary of Contents for ACS 600 MultiDrive
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Page 8: ...Safety Instructions vi ACA 635 IGBT Supply Sections ...
Page 57: ...Chapter 7 Fault Tracing 7 8 ACA 635 IGBT Supply Sections ...
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