Basic Operating Procedure - Omron CJ2 User Manual

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Basic Operating Procedure

In general, use the following procedure.
1. Setting Devices and Hardware
Mount the Power Supply Unit, the CPU Unit, the other Units, and the End Covers. Set the DIP switch
and rotary switches as required.
2. Wiring
Wire the power supply, I/O, and communications. Refer to the following manuals.
3. Connecting Online to the PLC
Connect the personal computer online to the PLC.
4. I/O Allocations
Using the CX-Programmer, allocate I/O memory in the CPU Unit to the mounted Units.
5. Software Setup
Make the PLC software settings.
6. Creating the Program
Create the program using the CX-Programmer.
7. Checking Operation
Check the I/O wiring and the AR Area settings, and perform trial operation. The CX-Programmer can
be used for monitoring and debugging.
8. Basic Program Operation
Set the operating mode to RUN mode to start operation.
CJ2 CPU Unit Hardware User's Manual
Refer to Section 3 Nomenclature and Functions and Section 5 Installation in the CJ2 CPU Unit
Hardware Operation Manual (Cat. No. W472).
Refer to Section 5 Installation in the CJ2 CPU Unit Hardware Operation Manual (Cat. No. W472).
Refer to Section 11 Programming Devices and Communications in the CJ2 CPU Unit Software
Operation Manual (Cat. No. W473).
Refer to Section 4 Support Software in the CJ2 CPU Unit Hardware Operation Manual (Cat. No.
W472)
Refer to Section 8 I/O Allocations and Unit Settings in the CJ2 CPU Unit Software Operation
Manual (Cat. No. W473)
• CPU Unit initialization: Refer to Section 4 CPU Unit Initialization in the CJ2 CPU Unit
Software Operation Manual (Cat. No. W473).
• DM Area Settings for Special I/O Units and CPU Bus Units: Refer to Section 8 I/O Allocations
and Unit Settings in the CJ2 CPU Unit Software Operation Manual (Cat. No. W473).
• PLC Setup: Refer to Section 9 PLC Setup in the CJ2 CPU Unit Software Operation Manual
(Cat. No. W473).
Refer to Section 5 Programming in the CJ2 CPU Unit Software Operation Manual (Cat. No.
W473).
Refer to 10-7 Debugging in the CJ2 CPU Unit Software Operation Manual (Cat. No. W473).
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