Danfoss VLT CANopen MCA 105 Programming Guide

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N O T I C E
All frequency/current limit points from the motor nameplate or motor datasheet must be programmed.
5 Hz 15 Hz 25 Hz 50 Hz
e130bb909.11
1 0 0 %
8 0 %
4 0 %
Illustration 38: Example of ATEX ETR Thermal Limitation Curve
x-axis: f
m
[Hz]
y-axis: I
m
/I
m,n
x 100 [%]
Table 144: Interpolation Points
Parameter 1-98 ATEX ETR interpol. points freq.
Parameter 1-99 ATEX ETR interpol. points current
[0]=5 Hz
[0]=40%
[1]=15 Hz
[1]=80%
[2]=25 Hz
[2]=100%
[3]=50 Hz
[3]=100%
All operating points underneath the curve are allowed continuously. Above the line, however, these are only allowed for a limited
time calculated as a function of the overload. When machine current is greater than 1.5 times the rated current, shutdown is imme-
diate.
Parameter 1-99 ATEX ETR Interpol. Points Current
Table 145: Parameter 1-99 ATEX ETR Interpol. Points Current
1-99 ATEX ETR Interpol. Points Current
Default value: Size related
Parameter type: Range, 0 - 100%, Array [4]
Setup: 2 setups
Conversion index: 0
Data type: Uint16
Change during operation: True
Definition of the thermal limitation curve. For example, see parameter 1-98 ATEX ETR Interpol. Points Freq.
Use the 4 current points [A] from the motor nameplate. Calcualte the values as percentage of nominal motor current, I
m
/I
m,n
x 100
[%], and enter the values into this array.
Together with parameter 1-98 ATEX ETR Interpol. Points Freq., these constitute a table (f [Hz], I [%]).
N O T I C E
All frequency/current limit points from the motor nameplate or motor datasheet must be programmed.
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Parameter Descriptions
VLT AutomationDrive FC 301/302
Programming Guide

Danfoss VLT CANopen MCA 105 Specifications

General

Brand	Danfoss
Model	VLT CANopen MCA 105
Category	DC Drives
Language	English