Connections Related To Motor Temperature Control - Danfoss VLT AutomationDrive FC 301 Programming Manual

Programming Guide | VLT® AutomationDrive FC 301/FC 302

Connections Related to Motor Temperature Control

6.3.10.1
PTC Thermistor Connection
6.3.10.1.1
R
(W)
4000
3000
1330
550
250
-20°C
Figure 42: PTC Profile
Using a digital input and 10 V as supply: Example: The drive trips when the motor temperature is too high.
Parameter setup:
Set parameter 1-90 Motor Thermal Protectionto [2] Thermistor Trip.
l
Set parameter 1-93 Thermistor Source to [6] Digital Input.
l
39 42 50 53 54 55
12 13 18 19 27 29 32 33 20
PTC / Thermistor
Figure 43: PTC Thermistor Connection - Digital Input
Using an analog input and 10 V as supply: Example: The drive trips when the motor temperature is too high.
Parameter setup:
Set parameter 1-90 Motor Thermal Protectionto [2] Thermistor Trip.
l
Set parameter 1-93 Thermistor Source to [2] Analog Input 54.
l
128 | © 2024.09
nominal -5°C
nominal + 5°C
nominal
OFF
37
ON
<800 Ω
[°C]
R
>2.7 kΩ
Parameter Descriptions
AU275636650261en-003201 / 130R0334