Applies To:
  • CitectSCADA 7.xx
  • CitectHMI 7.xx
  • CitectFacilities 7.xx


Can I use other loopback addresses in CitectSCADA in addition to 


In general, all addresses in the range can be used for loopback. However, by design, Citect uses the most commonly-used loopback address only, which is When using any other addresses, Citect will not recognise this IP address and you will not be able to set this computer as a server in the computer set-up wizard, and will recieve #coms when the project is run.