Hardware Structure Of The System - ABB AW400 Series Instruction Manual

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Hardware structure of the system

The AW400 hardware is structured in a modular system, whereby only the electronic p.c. boards requested
for the specific application needs to be installed, thus achieving great flexibility and relevant cost benefits for
the user. The different p.c. boards are mounted in four separate layers, according to the following scheme:
FIRST LAYER OF P.C. BOARDS (bottom):
Power supply pc board
Digital I/O pc board with
expanded function board
Serial data link port
Power supply board Digital output board Digital input board
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