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Safety instructions
Thermal motor monitoring
95
EDK82EV222 DE/EN/FR 13.0
Codes for parameter setting
Code
Possible settings
IMPORTANT
No.
Name
Lenze Selection
C0120 I
2
t switch−off
0
0
= inactive
{1 %}
200 Reference: apparent motor
current (C0054)
Reference to active motor current
(C0056) possible, see C0310
C0311
*
Functions for
special
applications 2
1
0
All functions switched off
A combination of functions can be
activated by entering the sum of
the selection values.
1, 2, 4,
8, 16
System manual
(from software
version 3.9)
1
128
Motor overload (I
2
xt) tart value
Function active:
Function switched−off:
When the device is connected to the
mains, the thermal motor load is
initialised with 50 %.
The function has to be activated for
operation in UL−approved systems.
When the device is connected to
the mains, the thermal motor load
is initialised with 0 % ("cold
engine")
Adjustment
1.
Calculate C0120. This value corresponds to a motor utilisation of 100 %:
C0120[%]
+
I
r
I
N
@
100%
I
r
Rated motor current
I
r
Rated controller current at switching frequency 8 kHz
2.
If you decrease C0120 on the basis of the value calculated, the monitoring already responds at
a motor utilisation < 100 %.
3.
If you increase C0120 on the basis of the value calculated, the monitoring only responds at a
motor utilisation > 100 %.
The controller switches off with error OC6 if the apparent motor current is greater than the rated
motor current for a longer time.
Содержание 8200 vector series
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