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Questions

  • No : 22969
  • Release Date : 2018/09/03 17:31
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Remedies for WDT errors on a MELSECNET/H board

The MELSECNET/H utility notifies that an error has occurred on the MELSECNET/H interface board Q80BD-J71LP21-25 and the error code is -28158 (9202H). What is the error and how can I prevent the error?
Category : 

Answer

The error code indicates a WDT (watchdog timer) error. It is determined as the cause that the MELSECNET/H driver cannot work due to a computer or OS hang, or the control was not transferred to the MELSECNET/H driver in the WDT timeout period because the processing of another driver had been performed by the CPU.
As a remedy, check if there are personal computer system errors and solve the problems if there are.
Alternatively, adjust "Driver WDT Monitoring Time" in the "Driver" window of the MNETH utility.
Product Name
Network Related Products
Series
PC Interface Board
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