Auxiliary Control Unit; Incoming Unit; Filter Unit - ABB ACS 600 User Manual

Chapter 3 – Hardware Description

Auxiliary Control Unit

Incoming Unit

Filter Unit

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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
• Optional emergency and earth fault protection components
• Other options (fieldbus adapter modules, man/machine interfaces
etc.)
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
The following components are located in the Filter Unit:
• AC filter
• Cooling fan for filter
• Charging resistors
• AC fuses (frames R11i and above)
= 17 A, 230/115 V)
N
ACA 635 IGBT Supply Sections