Issue:

In PLSLog file, following error is found as:


‘Could not load the requested DLL. 


Device creation failed. Device information received is - .......’ 





Reason:


As per the configured protocol, the same driver DLL is not present in DAS folder.




Steps to check:



Check which protocol is configured on server and place relative driver file.


e.g. If protocol is ModbusRTUMaster then ModbusRTUMaster.dll should be present in DAS folder