Since MCGS HMIs often act as Modbus masters talking to dozens of slave devices (sensors, VFDs, meters), the manual includes a detailed device-driver writing guide. You will learn:
At the heart of every HMI project is the variable database. The manual dedicates an entire chapter to defining: mcgs hmi programming manual
Trigger only when a specific variable changes. Syntax: MCGS uses a BASIC-like language. For example: Since MCGS HMIs often act as Modbus masters