1MDU07212-YN Rev. D Section 2
REF601/REJ601/REM601 overview
REF601 / REJ601 / REM601 15
Application Manual
Table 3: List of event types and related description, continue
On binary input 1, 2, 3, 4 activation and
deactivation respectively
BI 1 ↑ , BI 2 ↑,
BI 3 ↑ , BI 4 ↑
BI 1 ↓, BI 2 ↓,
BI 3 ↓, BI 4 ↓
OPTS parameter change – value
An event for general start will be capture for
both rising and falling which will be from any
of start of I>,I>>, I>>> ,Io> ,Io>>, I2>, I2/I1>
An event for general trip will be capture for
both rising and falling which will be from any
of trip of I>,I>>, I>>> ,Io> ,Io>>, I2>, I2/I1>
and Thermal trip
Event for factory default
2.4.4 Real Time Clock
IED comes with a real time clock with user settable date and time. Date can be set
in “DD/MM/YYYY” format and time can be set in “HH:MM:SS” format. The time
stamping have 1 ms resolution. RTC is used for time stamping the event logs and
as well as fault records. In case of power failure RTC will have a stored energy
backup for around 48 hrs. at ambient temperature when stored energy element is
fully charged. Initial time setting is “01/01/2011” and “00:00:00:0000”.
2.4.5 Access Control
To protect the relay from unauthorized access and to maintain the integrity of
information, the relay is armed with a three level, role-based user authentication
system with individual password for the operator, engineer (Setting level) and
administrator level. With the Ver. 2.2 FP1 REF601/REJ601/REM601 supports two
modes for password handling:
1. a combination of different navigation keys (default mode)
2. alphanumeric password
2.4.6 Power-ON sequence
The Power-ON sequence takes around 6 sec.
In case the optional communication on MODBUS RTU / IEC 60870-5-103 is
present, the startup time takes around 40 sec.
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