ABB Relion REM601 - Fault Record and Trip Counter

1MDU07212-YN Rev. D Section 2
REF601/REJ601/REM601 overview
REF601 / REJ601 / REM601 11
Application Manual
Internal fault indications have the highest priority on the LHMI. None of other
LHMI indications can override the internal fault indication. An indication about the
fault is shown as a message on the LHMI.
The internal fault code indicates the type of internal IED fault
Table 2: Internal fault indications and fault codes
Internal fault code
Type of fault
IRF 008
Internal supply voltage check
IRF 016
Power on “EEPROM“ check fault
IRF 032
Runtime “EEPROM“ check fault
IRF 064
Gain check fault
The user can try to eliminate the fault by restarting the IED. If the fault is found to
be permanent, the IED stays in internal fault mode.
2.4.2 Fault record and Trip counter
The relay stores records of analog values for last five trip events in non-volatile
memory. The fault recording is triggered by the trip signal of a protection function.
Each fault record includes the rms current values of fundamental component for all
three phases and the neutral current at five different times along the trip event.
Figure 2: Fault record
These records enable the user to analyze the five most recent power system events.
The oldest recording is lost when a new fault recording is made.