Toshiba GR200 Series Instruction Manual

Also see for GRB200: Instruction manual

6F2S1931 (0.20)Centralized GRB200(Soft: 030, 031, 032, 033, 034)- 649 -OutlineUsers can perform maintenance on the IED from the front panel. Monitoring is also possiblelocally by using a PC connected through the USB cable. This section discusses theconfiguration of the front panel and the basic configuration of the screen-menu hierarchy ofthe Human Machine Interface (HMI).(i) Front PanelThe front panel is provided with a screen (LCD Screen), 26 light emitting diodes (LEDs), 11operation keys, seven function keys (in the later section the function keys are referred to as F1to F7.), monitoring jacks and a USB receptacle.Figure 11.1-1 Front Panel(ii) LCD screenThe LCD screen provides the user with detailed internal information provided by the IED suchas records, monitoring and settings. Normally, the LCD screen appears blank unless anoperation key is pressed, by pressing any of the operation keys, the LCD screen will displaythe top menu. If the top menu is shown on the LCD screen, the user can turn off the screenbacklight by pressing the operation key ◄. When operation is idle for some time, the screenbacklight turns off. By pressing any key except the CLEAR key, the backlight turns on, andthe previous menu will be displayed on the LCD screen.(iii) LEDsAs shown in Table 11.1-1, 26 LEDs, each having signal labels and colors, are defined:LEDsLCD screenOperation keysFunction keyswith LEDsMonitoring jacks withLEDs (A, B, and C) USB