Omron CK3M Series User Manual page 196

6 Troubleshooting
 WDTFault
Register name
Description
Range
Details
Detection timing
Recovery
Effects
Cause and cor-
rection
Precautions/
Remarks
6-18
Sys.WDTFault
Software Watchdog Timer Error Status
0 to 3
Sys.WDTFault shows the software watchdog timer operation status with 2-bit data.
Bit0: Background software watchdog timer error
0: No background watchdog timer
1: Background watchdog timer operates
Bit1: Real-time interruption software watchdog timer error
0: No real-time interruption watchdog timer
1: Real-time interruption watchdog timer operates
Refer to Power PMAC User's Manual (Cat. No. O014) for details of the software watch-
dog timer.
During operation
Cycle the power supply, reset command ($$$), re-initialization command ($$$***)
User program: Stops
Hardware: Reset status
Cause (Assumed cause)
Background software
watchdog timer error occur-
red.
•
Real-time interruption
process was too long,
and the background
process could not be im-
plemented at the interval
set in the Sys.WDTReset
register.
Real-time interruption soft-
ware watchdog timer error
generated
•
Real-time interruption
process could not be im-
plemented at the interval
set in the
Sys.BgWDTReset regis-
ter.
None
CK3M-series Programmable Multi-Axis Controller User's Manual Hardware (O036)
Correction
•
Review the user pro-
gram.
•
Review the Sys.WDTRe-
set register value.
•
Review the user pro-
gram.
•
Review the
Sys.BgWDTReset regis-
ter value.
Prevention
None
None