MC30-R2
Doc. N°
MO-0462-ING
Copyright 2012
FW: 1290.37.01.x
Date
06.09.2022
Rev.
1
Pag.
17
of
38
3.8 - BF (F51BF) - Breaker Failure
FuncEnab
→
Enable
[Disable / Enable]
Options
→
TrR
Relay1
Relay1
–
Relay2
–
Relay3
–
Relay4
TripLev
→
No Param
No Parameters
Timers
→
tBF
0.20
s
(0.05
0.75)
step
0.01
s
Description of variables
FuncEnab
: If disable the function is disactivated
TrR
: Output relay programmed for trip command to the Circuit Breaker
tBF
: Trip time delay
Operation
: If after the time “
tBF
” from pick
-up of the
programmed relay “
TrR
” the current measured still
exceeds 5%In, the output relay associated to the “
BF
” function is operated (relay another than TrR).
3.9 - I.R.F. - Internal Relay Failure
FuncEnab
→
No Param
No Parameters
Options
→
Opz
Trip
[NoTrip / Trip]
TripLev
→
No Param
No Parameters
Timers
→
No Param
No Parameters
Opz
:
The variable “
Opz
”
can be programmed to trip the output relays same as the
other protection functions (Opz =
TRIP), or to only operate the “
IRF
”
signal led
without tripping the output relays (Opz = NoTRIP).
