MC20-CEI
Doc. N°
MO-0431-ING
Microelettrica Scientifica S.p.A. - Copyright 2009
FW 1080.36.03.X
Date 18.11.2011
Rev.
3
Pag. 11
of 35
2.2.5.3 – I>>> - Third overcurrent protection level
Stato
(Status)
→
Abilit.
[Disabl.(
Disable
) / Abilit.(
Enable
)]
Opzioni
(Options)
→
BI
Disab.
[Disabl.(
Disable
) / Abilit.(
Enable
)]
Livelli
(Trip Level)
→
I>>>
2.00
In
(0.50
÷
40.00)
step
0.01
In
Tempi
(Timer)
→
tI>>>
0.05
s
(0.05
÷
60.00)
step
0.01
s
Stato
(Status)
:
If disable the function is disactivated
BI
:
Operation controlled by Blocking Digital Input
I>>>
:
Trip level (limited to 40 times In)
tI>>>
:
Trip time delay
2.2.5.5 - Io> - First Earth Fault protection level
Stato
(Status)
→
Abilit.
[Disabl.(
Disable
) / Abilit.(
Enable
)]
Opzioni
(Options)
→
BI
Disab.
[Disabl.(
Disable
) / Abilit.(
Enable
)]
Livelli
(Trip Level)
→
Io>
0.50
Ion
(0.01
÷
4.00)
step
0.01
Ion
Tempi
(Timer)
→
tIo>
0.50
s
(0.05
÷
60.00)
step
0.01
s
Stato
(Status)
:
If disable the function is disactivated
BI
:
Operation controlled by Blocking Digital Input
Io>
:
Trip level
tIo>
:
Trip time delay
2.2.5.6 - Io>> (2F51N) - Second Earth Fault protection level
Stato
(Status)
→
Abilit.
[Disabl.(
Disable
) / Abilit.(
Enable
)]
Opzioni
(Options)
→
BI
Disab.
[Disabl.(
Disable
) / Abilit.(
Enable
)]
Livelli
(Trip Level)
→
Io>>
0.90
Ion
(0.01
÷
5.00)
step
0.01
Ion
Tempi
(Timer)
→
tIo>>
0.05
s
(0.05
÷
60.00)
step
0.01
s
Stato
(Status)
:
If disable the function is disactivated
BI
:
Operation controlled by Blocking Digital Input
Io>>
:
Trip level
tIo>>
:
Trip time delay
