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- Delay between two consecutive calls to xChannelIORead/xChannelIOWrite with timeout=0 is too short for the fieldbus device to copy the data from the DPM
- Wrong usage of PLC functions (e.g. Calling xChannelPLCActivateRead while xChannelPLCIsReadyReady xChannelPLCIsReadReady returns false)
- If a timeout is passed and the cifX Toolkit is used, it might be an error in the implementation of OS_GetMillisecondCounter() as this results in a wait time that is too short
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