•
•
Parameter 1-97 Thermistor Threshold Level
Table 141: Parameter 1-97 Thermistor Threshold Level
1-97 Thermistor Threshold Level
Default value: 80 °C
Parameter type: Range, -40 - 220 °C
Setup: 1 setup
Conversion index: 100
Data type: Int16
Change during operation: True
Select the thermistor sensor threshold level for motor thermal protection.
4.2.10.1 PTC Thermistor Connection
1330
550
250
-20°C
e7
5h
a1
83
.1
1
4000
3000
R
(W)
nominal
nominal -5°C
nominal + 5°C
[°C ]
Illustration 34: PTC Profile
Using a digital input and 10 V as supply: Example: The drive trips when the motor temperature is too high.
Parameter set-up:
Set
parameter 1-90 Motor Thermal Protection
to
[2] Thermistor Trip
.
Set
parameter 1-93 Thermistor Source
to
[6] Digital Input
.
AU373327181955en-000101 / 130R1208
92 | Danfoss A/S © 2021.08
Parameter Descriptions
VLT® AutomationDrive EZ FC 321
Programming Guide