MICROENER MM30-D - Trip Recording and Settings Display; Last Trip Event Recording; Trip Number Counters; Settings and Relay Configuration Display

MM30-D
Doc. N° MO-0037-ING
Rev. 4
Date 24.02.2003
Copyright 2010 - Microener
Pag
22
of
36
10.3 - LASTTRIP
Recording of the last 5 trippings of the relay and 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 4)
Example: Last event (LastTr -0)
Last but one event (LastTr-1)
etc...
xxXXXxx
Date : Day, Month, Year
xx:xx:xx
Hour : Hours, Minutes, Seconds
Causexxx
Function which caused the last tripping:
T>; Is>; I>; O>; I<; LR; StN; ITr; SpC; RTD; RT.
IAxxxxxIn
Current of phase A.
IBxxxxxIn
Current of phase B.
ICxxxxxIn
Current of phase C.
IoxxxxxOn
Earth fault current.
Id/mxxx%
Positive sequence component of current.
Is/mxxx%
Negative sequence component of current.
T/Tnxxx%
Motor heating
UoxxxxxV
Zero-sequence secondary voltage
oxxxxx°
Io/Uo phase displacement angle in degrees.
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
T> xxxxx
Motor overload.
Is>xxxxx
Current unbalance.
I> xxxxx
Overcurrent.
O>xxxxx
Earth fault.
I< xxxxx
No load running.
LRxxxxx
Locked rotor.
StN>xxxx
No of consecutive startings.
ITr xxxx
Too long starting.
RT xxxx
Remote trip
1 xxxx
Single phasing
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 relays associated to the different functions as programmed.