15
1. OUTLINE
1.1 THE DEFINITION OF GP
GP(Graphic Panel) is a graphic interface device to monitor parameters of controllers as PLC. It is one
of HMI(Human-Machine Interface) or MMI(Man-Machine Interface).
It is used to find out current value and status of process between controller and user, it also available
to monitor control parameter on LCD screen, switch touch screen or set a variable. Mutual information
between GP and controller is transmitted through serial communication. The variable of controllers are
displayed as tags, for example, the physical variable is a temperature, it is displayed as numeral
method with tags and it is available to monitor temperature change with trend graph.
All data of GP user screen is edited in private software GP Editor. After editing screen data including
forms, arrangement, attribution of tags, download tags to GP, it starts to monitor by the screen data.