Allen-Bradley PLC-5 User Manual Page 70

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1785-UM022B-EN-P - February 2002
2-30 Planning to Use Your ControlNet PLC-5 Processor
However, the overall system may be heavy on inputs, and there are no
concerns about the output image table. In this case you may want to
conserve the input image table for this chassis and arrange it as
follows:
When deciding when, where, and what type of optimization to use,
you have to balance:
space limitations
additional costs (extra chassis, adapters, etc.)
I/O image table availability
future expansion
IIII II
I = Discrete Input Module
O = Discrete Output Module
ACN = ControlNet adapter
OOACN
2-slot addressing
16-point modules
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