Omron CJ1W-CT021, Operation Manuals, Page: 14 / 196

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CJ-series High-speed Counter Units Operation Manual for NJ-series CPU Unit(W492)
CONTENTS
Section 5 Error Processing, Maintenance and Inspection
5-1 Error Indicators ....................................................................................................................... 5-2
5-1-1 Errors during initial processing.................................................................................................... 5-2
5-1-2 Errors during normal operation ................................................................................................... 5-3
5-2 Error codes............................................................................................................................... 5-4
5-2-1 DM-configuration errors .............................................................................................................. 5-5
5-2-2 Overflow/Underflow errors........................................................................................................... 5-6
5-2-3 Preset Error................................................................................................................................. 5-7
5-2-4 System Errors ............................................................................................................................. 5-7
5-3 Event Logs ............................................................................................................................... 5-8
5-3-1 Overview of the Event Logs ........................................................................................................ 5-8
5-3-2 Error Table................................................................................................................................... 5-9
5-3-3 Error Descriptions ..................................................................................................................... 5-10
5-4 Maintenance and Inspection ................................................................................................ 5-12
5-4-1 Cleaning .................................................................................................................................... 5-12
5-4-2 Routine Inspections................................................................................................................... 5-12
Section 6 Application Examples
6-1 Flow Control............................................................................................................................. 6-2
Appendices
A-1 Differences of NJ Series from CJ Series ...............................................................................A-2
A-1-1 Functional Difference ..................................................................................................................A-2
A-1-2 Differences in Access Methods from a User Program ................................................................A-4
A-2 Using Terminal Block Units with Screw-terminals .............................................................A-14
A-3 Description of the Response Time.......................................................................................A-16
A-4 Application Restrictions .......................................................................................................A-17
Index