Programming an MCGS HMI involves using a Windows-based PC to develop the interface and then transferring it to the hardware.
The temperature in the room climbed to 110 degrees. On the wall, the actual MCGS HMI screen began to glow with a blinding white intensity. It wasn't showing the water pressure or the conveyor speed anymore. It was showing a thermal map of the room—and there were three heat signatures on the screen, even though only Leo and Sarah were in the room. The Third Signature
!SetSingleBit(DeviceName, ChannelName, 1) — This manually turns on a "Hot" bit in the PLC.