Omron CJ2M-CPU Series, Руководство по замене

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This replacement guide describes the procedure to rebuild the system which uses the CJ1-series PLC by
introducing the CJ2M-series PLC instead. The CJ2M-series has functions which can replace the functions and
operation of CJ1-series PLC. Take the below work flow to replace your system. Also, refer to the reference
pages for details.
Work flow
1) Preparation: Before starting replacement, prepare according to the following steps.
Selecting the model
Reading PLC data
Description Reference Pages
Select the unit, programming software, and connecting cable
to replace CJ1 with CJ2M.
Some CJ1 Units can be used with CJ2M. However, some
Units can not be used with CJ2M. Read the reference pages
(recommended models and precautions) and select the
models.
Load the program, I/O Memory and other settings from the
CJ1M/CJ1G using the programming software and connecting
cable.
Converting and modifying data
Convert the data read from CJ1 for CJ2M.
Most of the data can be automatically converted; however,
some instructions and some Unit data can not be converted.
Refer to the reference pages and modify the data and program
separately.
1. Performance specifications
2. System Configurations
4.Example of converting
ladder program by
CX-Programmer
Preparing Units
Prepare the units, programming software, and connecting
cable.
Continue to actual replacement work
Start
4.Example of converting
ladder program by
CX-Programmer
2) Actual replacement work: Take the steps below to replace the CJ1M/CJ1G to CJ2M.
Replacing the units
Writing data
Description Reference pages
Replace the units.
*Refer to CJ-series CJ2 CPU Unit Hardware User’s
Manual (Cat. No. W472) and user’s manuals of each
Special Units for installation of the unit.
Write the data acquired and converted from
CJ1M/CJ1G (programs, IO memory, setting data) to
CJ2M.
Check the wirings by operating In/Out signals
Checking operation
Turn ON the power to the controller and check the
operation.
Refer to the related
manuals.
Wiring
Perform wiring for the replacement unit.
*Refer to CJ-series CJ2 CPU Unit Hardware User’s
Manual (Cat. No. W472) and user’s manuals of each
Special Units for information of wiring.
Replacement finished
Notes:
In some systems, cycle time needs to be adjusted because the cycle times in
CJ1M/CJ1G and CJ2M are different and it may affect the operation.