Leds; Keypad - ABB RELION 620 Series Technical Manual

1MAC504801-IB E
2.2.2
2.2.3
620 series ANSI
Technical Manual
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3
A070705-ANSI V3 EN
Figure 5: Display layout
1 Header
2 Icon
3 Content
4 Scroll bar (displayed when needed)

LEDs

The LHMI includes three protection indicators above the display: Normal, Pickup and
Trip.
There are 11 matrix programmable LEDs on front of the LHMI. The LEDs can be
configured with PCM600 and the operation mode can be selected with the LHMI, WHMI
or PCM600.
There are two additional LEDs which are embedded into the control buttons
They represent the status of the selected breaker n (CBXCBRn).

Keypad

The LHMI keypad contains push buttons which are used to navigate in different views or
menus. Using the push buttons, open or close commands can be given to objects in the
primary circuit, for example, a circuit breaker, a contactor or a disconnector. The push
buttons are also used to acknowledge alarms, reset indications, provide help and switch
between local and remote control mode.
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4
Section 2
620 series overview
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