Table 10:
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 flashing mode: alarm is still on but has been acknowledged.
Flashing
•
Non-latched flashing mode: alarm is still on.
•
Latched flashing mode: alarm is still on or it is off but has not been
acknowledged.
3.2.4.2
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.
3.2.4.3
Front communication
The RJ-45 port in the LHMI enables front communication. Two LEDs are located
above the communication port.
•
The green uplink LED on the left is lit when the cable is successfully connected
to the port.
•
The yellow communication LED on the right flashes when the IED
communicates with the connected device.
A070816 V1 EN
Figure 4:
RJ-45 communication port and indication LEDs
Section 3
1MRS756708 A
615 series overview
22
615 series
Operation Manual
