ABB Relion 650 Series Technical Manual page 63

1MRK 506 326-UUS B
GUID-D20BB1F1-FDF7-49AD-9980-F91A38B2107D V1 EN-US
Figure 11:
The function button and alarm LED panels are not visible at the same time. Each panel is shown by
pressing one of the function buttons or the Multipage button. Pressing the ESC button clears the
panel from the display. Both the panels have dynamic width that depends on the label string
length that the panel contains.
4.5.1.2 LEDs
The LHMI includes three protection indicators above the display: Normal, Pickup and Trip.
There are also 15 matrix programmable alarm LEDs on front of the LHMI. Each LED can indicate
three states with the colors: green, yellow and red. The alarm texts related to each three-color LED
are divided into three pages.The 15 physical three-color LEDs in one LED group can indicate 45
different signals. Altogether, 135 signals can be indicated since there are three LED groups. The
LEDs can be configured with PCM600 and the operation mode can be selected with the LHMI or
PCM600.
There are two additional LEDs which are embedded into the control buttons
represent the status of the circuit breaker.
4.5.1.3 Keypad
The LHMI keypad contains push-buttons which are used to navigate in different views or menus.
The push-buttons are also used to acknowledge alarms, reset indications, provide help and switch
between local and remote control mode.
The keypad also contains programmable push-buttons that can be configured either as menu
shortcut or control buttons.
Line distance protection REL650
Technical manual
Alarm LED panel
© Copyright 2011 ABB Power Grids. All rights reserved
Section 4
Local Human-Machine-Interface LHMI
AMU0600427 v8
and . They
AMU0600428 v11
57