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Getting unable to download "Failed to Connect" issue in PXM module

Published date: 01 June 2019

Please check the below to troubleshoot this issue:
  • Check physical Ethernet cabling between PC and M580 controller / NOC.
  • Check PXM LED states
  • Confirm the correct IP address has been configured in ProSoft Configurator for Modicon(PCM).
  • Confirm the PCM HSBY configuration matches that of the system. (Standalone vs HSBY)
  • In the DTM Browser in Control Expert, check the correct IP address and identifier has been configured and confirm that DHCP is enabled and set to Identified by Name.
  • Confirm that multiple M580 systems are not present on the same network. (Flat architecture is not supported.)
  • If connection is using a NOC, confirm that the correct routing / default gateway has been configured.
  • Check the PC has not been excluded by the PXM Security settings.

 

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