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5 Replacement from FX3U to FX5U
5.5 Replacement of the PLC
5.5 Replacement of the PLC
The main points to consider during replacement of the CPU module and extension modules are explained below.
For details of each item, check the reference pages in this document, and related manuals such as the PLC Hardware Manual
and Programming Manual.
Device
classification
Item Operation content and points of attention Reference page
CPU module Reuse of the input/output wiring Perform rewiring for the connection part of the terminal block
type.
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Other extension
modules
Wiring to each module
Verifying operation of the
equipment
Operation and test of the PLC program Operate the converted PLC program and hardware devices,
and check and adjust the device function and operation
timing.
Be aware of the precautions described on the reference page
for replacing the project, and check that the devices operate
as they are designed.
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