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3. HMI features
The REF542plus HMI is shown in Fig. 3.-1. The HMI features a back
illuminated LCD, 8 push buttons, several LEDs and an electronic key sensor.
The language of the display, when available, can be selected via the
Operating Tool. The default language is English.
A051327
Fig. 3.-1 REF542plus HMI
The LCD in the SLD view provides a graphical representation of the primary
objects controlled or monitored by REF542plus in the switchgear. The right
half of the LCD is for plain text visualization such as measurements and
protection events. The contrast level is automatically controlled for an
optimum reading, it can also be adjusted as wanted.
The HMI panel is organized in three main areas.
3.1. Control area
The left side of the HMI panel is for primary objects control. The command
buttons and the information related to the switchgear control are placed on
this area
1MRS755869
Multifunction Protection and Switchgear Control
Unit
Operator's manual
REF542plus
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