How To Fix /SCWM/MFS085 - Communication error occurred in communication layer of PLC &1

SAP Error Message - Details

• Message type: E = Error

• Message class: /SCWM/MFS -

• Message number: 085

• Message text: Communication error occurred in communication layer of PLC &1

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

Unfortunately, there isn't any extra information in this error notice.

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Smart SAP Assistant

• What is the cause and solution for SAP error message /SCWM/MFS085 - Communication error occurred in communication layer of PLC &1 ?

  The SAP error message /SCWM/MFS085 Communication error occurred in communication layer of PLC &1 typically indicates a communication issue between the SAP Extended Warehouse Management (EWM) system and a Programmable Logic Controller (PLC). This error can arise due to various reasons, including network issues, configuration problems, or issues with the PLC itself.
  Causes:
  
  Network Issues: There may be a disruption in the network connection between the SAP system and the PLC.
  PLC Configuration: The PLC may not be configured correctly to communicate with the SAP system.
  SAP EWM Configuration: There may be issues in the configuration settings within SAP EWM related to the communication layer.
  Firewall or Security Settings: Firewalls or security settings may be blocking the communication between the SAP system and the PLC.
  PLC Malfunction: The PLC itself may be malfunctioning or not operational.
  
  Solutions:
  
  
  Check Network Connectivity:
  
  Ensure that the network connection between the SAP system and the PLC is stable and operational.
  Use tools like ping or traceroute to diagnose network issues.
  
  
  
  Verify PLC Configuration:
  
  Check the configuration settings of the PLC to ensure it is set up correctly for communication with SAP EWM.
  Ensure that the PLC is online and functioning properly.
  
  
  
  Review SAP EWM Settings:
  
  Check the configuration in SAP EWM for the communication layer settings related to the PLC.
  Ensure that the communication parameters (like IP address, port number, etc.) are correctly configured.
  
  
  
  Examine Firewall/Security Settings:
  
  Review firewall settings to ensure that they are not blocking the communication ports used by the SAP system and the PLC.
  If applicable, check any security software that may be interfering with the communication.
  
  
  
  Check PLC Status:
  
  Verify that the PLC is operational and not in a fault state.
  Restart the PLC if necessary to reset any potential issues.
  
  
  
  Consult Logs:
  
  Check the logs in both SAP EWM and the PLC for any error messages or warnings that could provide more context about the communication failure.
  
  
  
  Contact Support:
  
  If the issue persists after checking the above points, consider reaching out to SAP support or the PLC manufacturer for further assistance.
  
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address known issues or provide patches related to communication errors with PLCs.
  Documentation: Review the documentation for both SAP EWM and the specific PLC being used for any additional configuration or troubleshooting steps.
  Community Forums: Engage with SAP community forums or user groups where similar issues may have been discussed and resolved.
  
  By following these steps, you should be able to diagnose and resolve the communication error between SAP EWM and the PLC.