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Rockwell Automation 1785-Lx0C15 ControlNet PLC-5 Programmable Controllers User Manual User Manual

Page 68

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1785-UM022C-EN-P - February 2008

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

I

I

I

I

I

I

I = Discrete Input Module
O = Discrete Output Module
ACN = ControlNet adapter

O

O

ACN

2-slot addressing
16-point modules