Table 11:
Alarm indications
LED state
Description
Off
Normal operation. All activation signals are off.
On
•
Non-latched mode: activation signal is still on.
•
Latched mode: activation signal is still on, or it is off but has not
been acknowledged.
•
Latched flashing mode: activation signal is still on but has been
acknowledged.
Flashing
•
Non-latched flashing mode: activation signal is still on.
•
Latched flashing mode: activation signal 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.
Section 3
1MRS756708 C
615 series overview
24
615 series
Operation Manual