Omron NJ501-1 Series User Manual page 11

Section 5 Troubleshooting
5-1 Operation after an Error .......................................................................................................... 5-2
5-1-1 Overview of NJ-series Status ..................................................................................................... 5-2
5-1-2 Fatal Errors in the CPU Unit ....................................................................................................... 5-3
5-1-3 Non-fatal error in CPU Unit......................................................................................................... 5-4
5-2 Troubleshooting..................................................................................................................... 5-11
5-2-1 Checking to See If the CPU Unit Is Operating.......................................................................... 5-11
5-2-2 Troubleshooting Flowchart for Non-fatal Errors ........................................................................ 5-12
5-2-3 Error Table ................................................................................................................................ 5-13
5-2-4 Error Descriptions..................................................................................................................... 5-23
5-2-5 Troubleshooting Errors That Are Not in the CPU Unit .............................................................. 5-66
Section 6 Inspection and Maintenance
6-1 Periodic Maintenance and Inspection ................................................................................... 6-2
6-1-1 Periodic Inspection ..................................................................................................................... 6-2
6-1-2 Unit Replacement Precautions ................................................................................................... 6-3
6-2 Replacing the Battery.............................................................................................................. 6-4
6-2-1 Battery Replacement .................................................................................................................. 6-4
6-2-2 Operation without a Battery ........................................................................................................ 6-7
Appendices
A-1 Specifications ..........................................................................................................................A-3
A-2 Specifications of Basic I/O Units ...........................................................................................A-4
A-2-1 Overview of Units........................................................................................................................ A-4
A-2-2 Basic I/O Units ............................................................................................................................ A-6
A-2-3 Precautions on Contact Output Units ....................................................................................... A-53
A-2-4 Connecting Connector-Terminal Block Conversion Units and I/O Relay Terminals.................. A-55
A-3 Dimensions ............................................................................................................................A-90
A-3-1 NJ-series CPU Units................................................................................................................. A-90
A-3-2 NJ-series Power Supply Units .................................................................................................. A-91
A-3-3 CJ-series Basic I/O Units.......................................................................................................... A-92
A-3-4 B7A Interface Unit..................................................................................................................... A-95
A-3-5 CJ-series I/O Control Unit and I/O Interface Unit...................................................................... A-95
A-3-6 SD Memory Card...................................................................................................................... A-95
A-4 Load Short-circuit Protection and Line Disconnection Detection
for CJ-series Basic I/O Units ..............................................................................................A-96
A-4-1 Load Short-circuit Protection and Line Disconnection Detection for CJ1W-OD202 ................. A-96
A-4-2 Load Short-circuit Protection for CJ1W-OD204/OD212/OD232/MD232 .................................. A-99
A-5 EMC Directive Measures for Relay Outputs......................................................................A-101
A-6 System-defined Variables Related to Hardware ...............................................................A-103
A-6-1 System-defined Variables for the Overall NJ-series Controller (No Category) ....................... A-103
A-6-2 PLC Function Module, Category Name: _PLC ....................................................................... A-109
A-6-3 PLC Function Module, Category Name: _CJB ....................................................................... A-109
A-6-4 Meanings of Error Status Bits ................................................................................................. A-111
A-7 Specifications for Individual System-defined Variables ..................................................A-112
A-7-1 System-defined Variables for the Overall NJ-series Controller (No Category) ....................... A-112
A-7-2 PLC Function Module, Category Name: _PLC ....................................................................... A-119
A-7-3 PLC Function Module, Category Name: _CJB ....................................................................... A-120
A-8 Version Information .............................................................................................................A-124
A-8-1 Relationship between Unit Versions of CPU Units and Sysmac Studio Versions................... A-124
A-8-2 Functions That Were Added or Changed for Each Unit Version............................................. A-126
A-8-3 Performance Improvements for Unit Version Upgrades.......................................................... A-128
NJ-series CPU Unit Hardware User's Manual (W500)
CONTENTS
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