ABB Relion 650 Series Technical Manual page 60

Section 4
Local Human-Machine-Interface LHMI
4.5 Operation principle
4.5.1 Local HMI
GUID-DA949D6F-070D-4D84-82AC-6791EF64F84F V1 EN-US
Figure 7:
The LHMI of the IED contains the following elements:
• Display (LCD)
• Buttons
• LED indicators
• Communication port
The LHMI is used for setting, monitoring and controlling .
4.5.1.1 Display
The LHMI includes a graphical monochrome display with a resolution of 320 x 240 pixels. The
character size can vary.
The display view is divided into four basic areas.
54
Local human-machine interface
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