Microelettrica Scientifica MC20-CEI, Operation Manual

Page: 26 / 35

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. 26 of 35
12.5 - Regolazioni ( Programming / Reading the Relay Settings )
- “Main Menu “
-
select “Regolazioni“
-
select among following sub menus
12.5.1 - NodoCom ( Communication Address )
-
“NodoCom“
- “ Ind: # “
- “ Password ???? “ (if not yet entered; see § Password)
-
to select the Address (1-250)
- to validate. Set Done!
The default address is 1.
Display Description Setting Range Step Unit
Ind: 1 Identification number for connection on serial communication bus 1 - 250 1 -
12.5.2 – Data/Ora ( Time/Date )
-
“Data/Ora“
Date: Current Date, Time: Current time
- “20YY/…… “
to set year,
- “20XX/MM“
to set month,
- “20XX/XX/DD“
to set day,
- “20XX/XX/XX“
- “hh/mm“
to set hour,
- “XX/mm“
to set minutes,
- To validate Set Done!
- Exit
12.5.3 – Val.Nom. ( Rated Input Values )
-
“Val.Nom.“
Rated Input Values
- 1
st
Variable
-
to scroll variables
- to modify selected variable
- “ Password ???? “ (if not yet entered) or #??? (if not yet entered; see §
Password)
-
to set variable value,
- to validate. Set Done!
Display Description Setting Range Step Unit
In
300
A
Reference primary current of the relay 1 - 9999 1 A
I1 300 A Rated Primary current of phase C.T. 1 - 9999 1 A
I2 5 A Rated Secondary current of phase C.T. 1 - 5 1/5 A
Io1 100 A
Rated Primary current of the tore C.T. detecting earth fault
current.
1 - 9999 1 A
Io2 1 A
Rated secondary current of the tore C.T. detecting earth fault
current.
1 - 1 - A
Vo1 10 kV Rated primary voltage of VT phase to neutral 0.05 - 500 0.01 kV
Vo2
100
V
Rated secondary voltage of VT phase to neutral 50 - 115 0.01 V
Freq
50
Hz
System rated frequency 50 - 60 10 Hz