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Operating Instructions ACU
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14.5
Frequency Switch-off Limit
The max. permissible output frequency of the frequency inverter can be set to a low frequency value
via parameter
Frequency Switch-off Limit
417
. If this frequency limit is exceeded by the
Stator
Frequency
210
or the
Actual Frequency
241
, the frequency inverter is switched off and error signal
"F1100" is displayed.
Parameter
Setting
No.
Description
Min.
Max.
Factory setting
417 Frequency Switch-off Limit
0.00 Hz
599.00 Hz
599.00 Hz
14.6
Motor temperature
The configuration of the control terminals includes the monitoring of the motor temperature. The
monitoring function can be selected via parameter
Motor Temp. Operation Mode
570
. Integration in
the application is improved by an operation mode with delayed shutdown.
Motor Temp. Operation
Mode 570
Function
0 - off
Motor temperature monitoring switched off.
1 - Warning only
The critical point of operation is displayed by the control unit and
parameter Warnings
269
.
2 - Error switch-off
The fault switch-off is displayed by message F0400. The fault
switch-off can be acknowledged via the control unit or the digital
input.
3 -
Error switch-off
1 min del.
The fault switch-off according to operation mode 2 is delayed by
one minute.
4 - Error switch-off
5 min del.
The fault switch-off according to operation mode 2 is delayed by five
minutes.
5 -
Error switch-off
10 min del.
The fault switch-off according to operation mode 2 is delayed by ten
minutes.
Output signals
Warnings are displayed in parameter
Warnings
269
and output via digital signals.
168 - Motor temperature
warning
1)
Monitor – selected via
Motor Temp. Operation Mode
570
–
reports critical operating point.
10 -
2)
1)
For linking to frequency inverter functions
2)
For output via a digital output.
Via parameter
max.Temp. Windings
617
* you can set the temperature value above which a
warning message is output or an error switch-off of the frequency inverter is effected. The operating
behavior of the frequency inverter when the value set for
max.Temp. Windings
617
is exceeded, can
be selected via parameter
Motor Temp. Operation Mode
570
.
Parameter
Setting
No.
Description
Min.
Max.
Factory setting
617 max.Temp. Windings*
50 °C
200 °C
150 °C
* The parameter is only available if an extension module featuring an input for KTY measuring resistance
evaluation, e.g. EM-IO-04, is installed.
Via parameter
Therm. Contact
204
, a digital input signal can be linked to the
Motor Temp.
Operation Mode
570
.
Summary of Contents for active cube 201
Page 1: ...ACTIVE CUBE Operating Instructions Frequency inverter 230 V 400 V 0 25 kW 132 kW...
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Page 45: ...12 16 Operating Instructions ACU 45...
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