MICROENER MM30-D - Programming Parameters and Autosetting; Autosetting Function; Thermal and Starting Parameters; Protection Function Settings

MM30-D
Doc. N° MO-0037-ING
Rev. 4
Date 24.02.2003
Copyright 2010 - Microener
Pag
24
of
36
Display
Description
Setting Range
Step
Unit
AUTOSET? + ENTER
Automatic setting of all the following parameters computed on the
base of the setting of the previous parameters
tm 34min
Thermal time constant of motor while running ;
tm is computed to allow at least one restarting with the motor at
its rated full load temperature
1 - 60
1
min
to/tm 3
Steady/running motor thermal time constant
1 - 10
1
1
Ta/n 90%
Prealarm motor heating level
(% of motor full-load temperature rise)
50 - 110
1
%
Ts/n100%
Motor restart heating level
40 - 100
1
%
Ib1.05Im
Rated maximum continuous motor overload
1 – 1.3
0.01
Im
StNo 6
Max. No of startings allowed within the time tStNo
Dis - 1 - 60
1
-
tStNo60m
Time into which the StNo is counted
1 - 60
1
m
tBSt 12m
Restart inhibition time after tripping of the function StNo
(Rm = restart inhibited until manual RESET is operated)
1 - 60 – Rm
1
min
ILR 2Im
Trip level of Locked Rotor function
(activated after 2tst from motor start)
Dis - 1 - 5
0.1
Im
tLR 5s
Trip time delay of LR element during run
1 – 25
1
s
Is> 0.3Im
Trip level of inverse time current unbalance protection element
Dis-0.1-0.8
0.1
Im
tIs> 4s
Trip time delay of inverse time current unbalance protection
when I2=Im
1 - 8
1
s
I< 0.2Im
Trip level of undercurrent (no-load running) element
Dis-0.15-1
0.01
Im
I> 2Ist
Trip level of phase overcurrent element
Dis - 1 - 5
0.1
Ist
tI> 0.1s
Trip time delay of phase overcurrent element
0.05 - 1
0.01
s
Uo> 20V
Minimum level of residual voltage for directional operation of the
Earth Fault element.
2 - 25
1
V
o 90°
Max sensitivity displacement angle of the Earth Fault directional
element. When set to Dis, operation is not directional
0 – 359 - Dis
1
°
O> 0.1On
Trip level of earth fault element
Dis - 0.02 - 2
0.01
On
tO> 0.2s
Trip time delay of earth fault element
0.05 - 5
0.01
s
tBO 0.15s
Maximum energization time of the output relays associated to the
instantaneous functions I> and/or O>
(Blocking output with safety disactivation)
0.05 - 0.5
0.01
s
RTD OFF
Enabling of the input 1 – 14 for operation of RTD function
OFF – ON
-
-
SpC OFF
Enabling of input 1 – 3 for operation of the Speed Control function
OFF – ON
-
-
Tsyn Dis m
Clock synchronisation Time
Expected time interval between sync. signal.
5 - 60 - Dis
5-10
15-30
60-Dis
m
The setting Dis indicates that the function is disactivated.