Master Terminal Unit (MTU) is Operator interface and operator intervention tools are usually located in a central location (MTU). This interface is normally called “operator workstation”.
The CONTROL ROOM composed of:
PC or PLC with monitors, Keyboards, Mouse , printers, switches, pushbuttons data storage media.
• changing the control set points.
• alarm acknowledge and reset.
• open or close valves or switches.
• forcing equipment to change status (on/off).
• request data and reports.
