Applies To:
  • CitectSCADA 5.40
Summary:
After the startup of Citect when Windows (OS) has run more than 49.7 days some Cicode tasks may not wake up for at least another 49.7 days.  

Solution:
CIT has confirmed this to be a problem in Citect for Windows versions up to 5.40. This problem has been fixed in version 5.40 Service Pack A.

For testing and debugging purposes two parameters (INI variables) have been introduced.

[DEBUG]
CLOCKOFFSET=<NUMBER>, default 0

The clockoffset is added to the time to allow testing of the rollover period. If the number is negative then it will be the offset from the rollover time. You would reboot computer so tick count was near 0 and then set the offset to very close to the rollover time.

CLOCKRATE=<NUMBER>, default 1

The clock rate is a multiper to how fast the tick count increases.

 
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