IM30-GLF
Doc. N° MO-0062-ING
Rev.
3
Date
14.02.2005
Copyright 2010 - Microener
Firmware:
2.0X
Pag
13
of
31
4. SIGNALIZATIONS
Eight signal leds (normally off) are provided:
a)
Red LED
I>->>
Flashing when measured current overcomes the set trip level
[I>],[I>>]
Illuminated on trip after expiry of the set trip time delay [tI>],[tI>>].
b) Red LED
I
2
>->>
same as above related to [1Is], [2Is].
c) Red LED
Ir
same as above related to [Ir>], [tIr>].
d) Red LED
O>
same as above related to [O>], [tO>].
e)
Yellow LED
PROG/
I.R.F.
Flashing during the programming of the parameters or in case of
Internal Relay Fault.
f) Red LED
Z<
same as above related to [Z<], [tz].
g) Red LED
BR.
FAIL.
Lit-on when the BREAKER FAILURE function is activated.
h) Yellow LED
B.I./
F.D.
Lit-on when the operation of one or more of the relay functions has
been disactivated in the programming
Flashing when a blocking signal is present at the relevant input
terminals.
The reset of the leds takes place as follows:
Leds a,b,c,d,e
:
From flashing to off, automatically when the lit-on cause disappears.
From ON to OFF, by "ENTER/RESET" push button only if the tripping
cause has disappeared.
Leds f,g,h
:
From ON to OFF, automatically when the lit-on cause disappears.
In case of auxiliary power supply failure the status of the leds is recorded and reproduced when power
supply is restored.