Posted 10 May 2021 I am facing a problem in Citect.After running the Citect project. Network connectivity, communication with SCADA and RTU are the same. kindly help me to resolve his error. Share this post Link to post Share on other sites
Posted 5 Jun 2021 @Mehak #COM Error are occur when SCADA cannot communicate with your device. Please check communication setting and for serial port don't use same com port with other software those are running on same time. Share this post Link to post Share on other sites