1MDU07212-YN Rev. C Section 2
REF601/REJ601 overview
REF601 / REJ601 13
Application Manual
Sr.
No.
Event type Description Data considered
4 Protection Start
On thermal alarm output signal for both rising
& falling signal
3Ith> Alarm ↑
3Ith> Alarm ↓
5 Protection trip In the event of Tripping, which protection
stage (I>, I>>, I>>>, Io> and Io>>) caused
trip will be captured as an event information.
Event shall be available for both rising &
dropping
Trip I> ↑
Trip I>> ↑
Trip I>>> ↑
Trip I0> ↑
Trip I0>> ↑
Trip I> ↓
Trip I>> ↓
Trip I>>> ↓
Trip I0> ↓
Trip I0>> ↓
On I2> trip both rising & falling signal Trip I2> ↑
Trip I2> ↓
On I2/I1> trip both rising & falling signal Trip I2/I1> ↑
Trip I2/I1> ↓
On thermal trip output signal for both rising &
falling signal
3Ith> Trip ↑
3Ith> Trip ↓
6 IRF
“IRF” – internal relay fault shall be captured
as an event.
IRF codes
7 Breaker open When breaker open cmd Breaker Open
8 Breaker close When breaker close cmd Breaker Close
9 Remote trip When remotely trip command issued Remote Trip
10 Reset When reset of protection trip, LEDs and
screen done
Reset
11 Blocking When blocking by binary input, And shall
have event for both rising & dropping
BI Blocking ↑
BI Blocking ↓
12 Breaker
position
When breaker open, close or maintenance
position sensed by associated binary input
CB POS CLS ↑
CB POS CLS ↓
CB POS OPN ↑
CB POS OPN ↓
CB Maint ↑
CB Maint ↓
13 Memory read
fail
In case unable to read Event from EEPROM,
a message i.e. ”Memory Read Fail” will be
displayed for that particular event
Memory Read Fail
14 Hardware test When in test menu, initiate hardware test Hardware Test
15 Binary output
test
When in test menu , initiate binary output test BO Test
16 Functional test When in test menu, initiate protection
function test
Functional Test