Programmable measurement controller
06 March, 2006The A&D Mercury AD4820 is an HMI and PLC measurement and control system all rolled into one complete compact package. The instrument runs a 32 bit RISC processor and uses a real-time operating system, RT Linux. The AD4820 utilises a GUI front end known as virtual console (VC), together with a PLC ladder for controlling all I/O known as measurement and control ladder (MC).