2.2.1
Forced ventilated or naturally ventilated motors
Parameter setting
The following codes can be set for I
Code
C0066
C0120
C0127
C0128
C0606
Calculate release time and I
Formula for release time
t + * ( t )
Formulae for I
L(t) +
If the controller is inhibited, the I
EDKCSDX064 DE/EN/FR 3.0
Forced ventilated or naturally ventilated motors
Meaning
2
Display of the I
x t load of the motor
Threshold: Triggering of error "OC6"
Threshold: Triggering of error "OC8"
Thermal motor time constant
Response to error "OC8"
2
x t load
z ) 1
ln 1 *
2
I Mot
I N
2
x t load
2
I
Mot
1 * e
100%
I
N
2
x t load is reduced:
t
*
L(t) + L
e
t
Start
l
Safety instructions
Thermal motor monitoring
2
x t monitoring:
Value range
0 ... 250 %
0 ... 120 %
0 ... 120 %
0.1 ... 50.0 min
TRIP, warning, off
Information
I
Actual motor current (C0054)
Mot
I
Rated motor current (C0088)
r
t
Thermal motor time constant
(C0128)
100
z
Threshold value in C0120 (OC6) or
C0127 (OC8)
Information
L(t)
Chronological sequence of the
2
I
x t load of the motor
(Display: C0066)
*t
I
Actual motor current (C0054)
Mot
t
Ir
Rated motor current (C0088)
t
Thermal motor time constant
(C0128)
2
L
I
x t load before controller inhibit
Start
If an error is triggered, the value
corresponds to the threshold
value set in C0120 (OC6) or C0127
(OC8).
2
Lenze setting
−
0 %
0 %
5.0 min
Warning
83