Omron CJ2 CPU UNIT - Page 17

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CJ2 CPU Unit Hardware User’s Manual
5-4 Control Panel Installation ..................................................................................................... 5-42
5-4-1 Temperature.............................................................................................................................. 5-42
5-4-2 Humidity.................................................................................................................................... 5-44
5-4-3 Vibration and Shock.................................................................................................................. 5-44
5-4-4 Atmosphere .............................................................................................................................. 5-44
5-4-5 Electrical Environment.............................................................................................................. 5-45
5-4-6 Grounding................................................................................................................................. 5-50
Section 6 Troubleshooting
6-1 CPU Unit Errors ....................................................................................................................... 6-2
6-1-1 Errors and Remedies.................................................................................................................. 6-2
6-1-2 Checking Errors.......................................................................................................................... 6-2
6-1-3 Checking Detailed Status ........................................................................................................... 6-3
6-1-4 Reading Error Log Information ................................................................................................... 6-3
6-1-5 I/O Table Verification................................................................................................................... 6-5
6-1-6 Types of Errors............................................................................................................................ 6-6
6-1-7 Handling Errors........................................................................................................................... 6-7
6-2 Troubleshooting Built-in EtherNet/IP Port Errors
(CJ2H-CPU6@-EIP and CJ2M-CPU3@ Only)........................................................................ 6-25
6-2-1 Checking Built-in EtherNet/IP Port Error Status ....................................................................... 6-25
6-2-2 Checking Error Status at the EtherNet/IP Port Seven-segment Display................................... 6-26
6-3 Non-CPU Unit Errors and Remedies.................................................................................... 6-28
6-3-1 Error Causes and Remedies .................................................................................................... 6-28
Section 7 Inspection and Maintenance
7-1 Inspections............................................................................................................................... 7-2
7-1-1 Inspection Points ........................................................................................................................ 7-2
7-1-2 Unit Replacement Precautions ................................................................................................... 7-4
7-2 Replacing the Battery.............................................................................................................. 7-5
7-2-1 Battery Replacement .................................................................................................................. 7-5
7-2-2 Operation When Battery Is Exhausted or Not Installed .............................................................. 7-8
7-3 Power Supply Unit Replacement Time ................................................................................ 7-10
Section 8 Backup Operations
8-1 Backing Up Data ...................................................................................................................... 8-2
8-2 Using a Computer to Back Up Data ....................................................................................... 8-3
8-2-1 PLC Backup Tool ........................................................................................................................ 8-3
8-2-2 PLC Backup Tool Operations...................................................................................................... 8-4
8-3 Simple Backup......................................................................................................................... 8-7
8-3-1 Overview..................................................................................................................................... 8-7
8-3-2 Operating Procedures................................................................................................................. 8-8
8-3-3 Verifying Backup Operations with Indicators ............................................................................ 8-10
8-3-4 Related Auxiliary Bits/Words .................................................................................................... 8-12
8-3-5 Time Required for Simple Backup ............................................................................................8-12
8-3-6 Data Backed Up Using Simple Backup..................................................................................... 8-12