1MRK500128-UEN Rev. H
Section 6
6.1
Normal operation
In a normal IED use situation, the basic operation includes monitoring and checking procedures.
•
Monitoring measured values
•
Checking object states
•
Checking function setting parameters
•
Checking events and alarms
All basic operations can be performed via the LHMI or with PCM600.
6.2
Disturbance identification
Disturbances and their causes can be identified by indicator LEDs: Ready, Start and Trip. During
normal operation, the Ready LED is steady green.
For the LEDs to operate, the disturbance recorder has to be defined in the configuration.
Table 13:
LED
Start LED
Trip LED
Further actions to be taken to identify the disturbance:
•
Checking alarm LEDs
•
Reading event history
•
Checking fault records
•
Analyzing disturbance recordings
6.2.1
Disturbance recording triggering
Disturbance recordings are normally triggered by IED applications when they detect fault events.
Disturbance recordings can also be triggered manually or periodically. The manual trigger generates
an instant disturbance report. Use this function to get a snapshot of the monitored signals.
650 series
Operation manual
IED operation
For more information, see the PCM600 documentation.
Disturbance indications
State
Document the disturbance before clearing the information from the IED.
Only authorized and skilled personnel should analyze possible errors and decide on
further actions. Otherwise, stored disturbance data can be lost.
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Yellow, steady
Red, steady
IED operation
GUID-25794CEB-1F3A-452E-92B4-DDAD6F058CAF v6
GUID-A1EB4334-DAF0-439E-8EB4-8ED02C610DAA v8
Description
Protection started
Protection operated
GUID-5569488B-F930-4762-99CE-2863BEFB1947 v8
Section 6
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