Toshiba GR-200 Series Instruction Manual page 574

Multi functional protection ied

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Human Machine Interface (HMI)

Figure 5.7-1 shows the outlook of human machine interface module (HMI) on the front panel.

The HMI has a LCD screen, LEDs (#1–#14), operation keys, function keys (F1–F5), and a USB

port. LCD screen can display information; e.g. IED operation menu, status, setting data,

monitoring, fault records and others. We shall see the menus on the display in Chapter

later (→p. 853). USB "B-type" port is provided for the connection to the PC. Thus, the

user can connect the engineering tools (GR-TIEMS®) or the PLC editor (MULTIPLOG®) with

the IED using the USB port.

Indicator label

Operation keys

Standard LCD

LCD screen can only display alphabetical texts in 8 rows and 21 columns (8×21 characters).

LCD contrast adjustment

The user can adjust the screen contrast using setting [LCD Contrast]. When wishing the LCD

screen clearer, the user should select a large number through 0 – 10. Figure 5.7-2 shows the

LCD menus for the settings [LCD-Contrast].

Security Setting

Figure 5.7-2 LCD screen displaying the setting [LCD Contrast]

Figure 5.7-1 HMI on front panel

AC Analog Input

Binary Input

Binary Output

LCD Contrast

6F2T0200 (0.15)

Function keys

GRE200 (1,2)

Chapters

Gre200-1 Gre200-2