Ied Operation; Normal Operation; Disturbance Identification; Section 6 Ied Operation - ABB Relion 670 series Operation Manual

1MRK 500 127-UEN D
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
670 series
Operation manual

IED operation

For more information, see 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.
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
Section 6
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