Danfoss VLT AutomationDrive FC 301 Programming Manual page 126

Programming Guide | VLT® AutomationDrive FC 301/FC 302
Select analog input terminal 54 to be used for connection of KTY/Pt1000/Ni1000 thermistor sensor. Terminal 54 cannot be selected as
thermistor source if otherwise used as reference (see parameter 3-15 Reference Resource 1 to parameter 3-17 Reference Resource 3).
Connection of thermistor sensor between terminals 54 and 55 (GND).
Option Name
[0]* None
[2] Analog input 54
1-97 Thermistor Threshold Level
Default value: 80 °C
Setup:
1 setup
Data type: Int16
Select the thermistor sensor threshold level for motor thermal protection.
1-98 ATEX ETR Interpol. Points Freq.
Default value: Size related
Setup:
1 setup
Data type: Uint16
Only visible if parameter 1-90 Motor Thermal Protection is set to [20] ATEX ETR.
Enter the 4 frequency points [Hz] from the motor nameplate into this array.
All frequency/current limit points from the motor nameplate or motor datasheet must be programmed.
100%
80%
40%
5 Hz 15 Hz
Figure 41: Example of ATEX ETR Thermal Limitation Curve
126 | © 2024.09
25 Hz 50 Hz
NOTICE
Description
Parameter type:
Conversion index:
Change during operation:
Parameter type:
Conversion index:
Change during operation:
NOTICE
Parameter Descriptions
Range, -40 - 220 °C
100
True
Range, 0 - 1000.0 Hz, Array [4]
-1
True
AU275636650261en-003201 / 130R0334