Table of Contents
Advertisement
8.3
MAIN STRUCTURE
If the keypad is not in use, during steady state, the faceplate display shows the relay model identification (MIF) and a
series of actual values (Ia, Ib, Ic, IN and TH (Thermal Image)).
MIF
Ia
value
value
The relay can leave the steady state in two ways:
• 1
ST
WAY: The ENTER key is pressed. The relay moves to the ONE KEY OPERATION mode:
The ONE KEY OPERATION menu allows the user to access the same information shown by the automatic scrolling
during steady state plus Date and Time and Last Trip Information (Function that tripped (LTU = Last Trip Unit),
Phases involved, and fault current value).
Ic
VALUE(TH)
PH:-
The mnemonics used in the figure have the following meanings:
Ia
Ib
Ic
IN
Value (Ia)
Value (Ib)
8-8
KEYPAD AND DISPLAY
Ib
value
Figure 8.3. SCROLLING WHILE THE KEYPAD IS NOT USE
MIF
Ia
VALUE(Ic)
DATE & TIME
VALUE
DATE & TIME
Figure 8.4. ONE KEY OPERATION MENU
Phase A Current.
Phase B Current
Phase C Current
Ground Current
Phase A Current metering.
Phase B Current metering.
MIF Digital Feeder Protection
Ic
value
IN
VALUE(Ia)
IN
VALUE(IN)
LTU
value
TH
Ib
VALUE(Ib)
TH
VALUE(function)
RESET
MIF
GEK-106273L
Advertisement
Table of Contents
