Applies To:
  • CitectSCADA 6.xx, 7.xx  

If you have a Citect project which is communicating to a Mitsubishi PLC using the MELSCNET driver and try to start the Historian while the I/O Device is offline, the Citect runtime may crash.

This has been identified as a problem with the MELSCNET driver versions and older. A fix has been produced and is available in MELSCNET Hotfix driver version Please contact Global Support if you are experiencing this issue and require a hotfix driver.

MELSCNET, Historian