Table 10:
Trip LED
LED state
Description
Off
Normal operation.
On
A protection function has tripped and an indication message is displayed.
•
The trip indication is latching and must be reset via communication or
by pressing
.
•
If several protection functions trip within a short time, the last trip is
indicated on the display.
Alarm indicators
The 11 matrix programmable LEDs are used for alarm indication.
Table 11:
Alarm indications
LED state
Description
Off
Normal operation. All alarms are OFF.
On
•
Non-latched mode: alarm is still on.
•
Latched mode: alarm is still on or it is off but has not been
acknowledged.
•
Latched blinking mode: alarm is still on but has been acknowledged.
Blinking
•
Non-latched blinking mode: alarm is still on.
•
Latched blinking mode: alarm is still on or it is off but has not been
acknowledged.
3.5.4.2
Parameter management
The LHMI is used to access the IED parameters. Three types of parameters can be
read and written.
•
Numerical values
•
String values
•
Enumerated values
Numerical values are presented either in integer or in decimal format with minimum
and maximum values. Character strings can be edited character by character.
Enumerated values have a predefined set of selectable values.
3.5.4.3
Front communication
The RJ-45 port in the LHMI enables front communication. Two LEDs are located
above the communication port.
1MRS756499 A
Section 3
RED615 overview
RED615
23
Operation Manual
