MICROENER MM30-DK, Руководство по эксплуатации

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MM30-DK
Doc. N° MO-0050-ING
Rev. 2
Pag. 15 of 36
Copyright - 2010 - Microener
4. SIGNALIZATIONS
Eight signal leds (normally off) are provided:
a)
Red
LED
T>

Flashing when the motor heating “T” exceeds the set alarm level [Ta].

Illuminated on over-temperature trip.
– Also illuminated on activation of RTD
input.
b)
Red
LED
St No

Flashing on tripping of the element for limitation of the number of
consecutive startings.

Illuminated at the end of [tBSt].
c)
Red
LED
I<

Flashing as soon as motor current drops below the set level [I<]

Illuminated at the end of trip time delay.
d)
Red
LED
Is>,1


Flashing as soon as motor unbalance exceeds the set level [Is>]

Illuminated on trip after [tIs>] time delay or on tripping of the single phasing
element.
e)
Yellow
LED
PROG/
I.R.F.

Flashing when in PROGRAM MODE

Illuminated when relay internal fault is detected.
f)
Red
LED
I>

Flashing when motor current exceeds the set level [I>]

Illuminated on trip after [tI>] time delay.
g) Red
LED
O>

Flashing when earth fault current exceeds the set level [O>]

Illuminated on trip after [tO>] time delay.
h)
Yellow
LED
ROTOR
STALL

Illuminated on trip of the Locked Rotor element (I>ILR) and/or on activation
of the Speed Control input SpC.
The reset of the leds takes place as follows:

Leds a

From flashing to off automatically when motor heating drops below
the alarm level [Ta].

From steady light to off by the Reset control (front button or serial
command) provided motor heating is below the restart temperature
[Ts].

Leds b

From flashing to off by the Reset control (front button or serial
command) only when the restart inhibition time is set to “manual”:
[tBSt]=Rm.

From illuminated to off when [tBSt] has expired.

Leds c,d,e,f,g

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 h

From flashing or illuminated to off, automatically when the lit-on
cause disappears.
T>
StNo
I<
Is>,1

ROTOR
STALL
PROG/
I.R.F. I>
a b c d
e
f
g h
O>