1MDU07212-YN Rev. C Section 2
REF601/REJ601 overview
REF601 / REJ601 15
Application Manual
Sr.
No.
Event type Description Data considered
32 Start 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>
Start ↑
Start ↓
33 Trip 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
Trip ↑
Trip ↓
34 Factory default event for factory default 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/YY” format and time can be set in “HH:MM:SEC” 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 “00:00:00:000”.
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 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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