IM30-DK
Doc. N° MO-0040-ING
Rev.
2
Pag.
20
of
34
Copyright 2010 - Microener
10.3 - LASTTRIP
Display of the function which caused the last 10 trippings of the relay plus values of the parameters at
the moment of tripping. The memory buffer is refreshed at each new relay tripping.
Display
Description
LastTr-x
Indication of the recorded event (x= 0 to 9)
Example: Last event (LastTr -0)
Last but one event (LastTr-1)
etc...
xxXXXxx
Date : Day, Month, Year
xx:xx:xx
Hour : Hours, Minutes, Seconds
F:
xxxxxx
Display of the function which caused the last tripping: :
1IphA,B,C ; 2IphA,B,C ;
3IphA,B,C ; 1N ; 2N ; 3N ; U
R
;Wi
IA
xxxx
In
Current of phase A
IB
xxxx
In
Current of phase B
IC
xxxx
In
Current of phase C
Io
xx.x
%n
Earth fault current
Uo
xxxxx
V
Zero-sequence voltage
o
xxxxx
°
Io/Uo phase displacement
10.4 - TRIP NUM
Counters of the number of operations for each of the relay functions.
The memory is non-volatile and can be cancelled only with a secret procedure.
Display
Description
1I
xxxxx Trip number of first overcurrent element 50/51.
2I
xxxxx As above, second element 50/51.
3I
xxxxx As above, third element 50/51.
1N
xxxxx As above, first element 67N.
2N
xxxxx As above, second element 67N.
3N
xxxxx As above, third element 67N.
U
o
xxxxx
As above, element U
o
OP
xxxxx Number of C/B mechanical operations
%Wi
xxxx
% Maximum allowed amount of accumulated interruption energy before alarm
11. READING OF PROGRAMMED SETTINGS AND RELAY'S CONFIGURATION
Enter the mode "SET DISP", select the menu "SETTINGS" or "F
RELAY", scroll information
available in the menu by keys "+" or "-".
SETTINGS= values of relay's operation parameters as programmed
F
RELAY= output relay associated to the different functions as programmed.