Motor components and options
4.1 Motor components
1FW3 complete torque motors
76 Configuration Manual, 08/2020, A5E46027705B AA
Reserve with plug-in connection in the insulating tubing
Connected temperature sensor
Figure 4-2 Example: Connection in the terminal box
Two temperature sensor types are integrated:
Temperature sensors KTY 84 are ESD components. When
delivered, they are short-circuited with a terminal.
Pt1000 temperature sensors are not ESD components.
Temperature sensors of the same type are always installed in one particular motor.
The type of temperature sensor installed is stamped on the rating plate.
Table 4- 1 Features and technical data
Resistance when cold (20 °C)
Resistance when hot (100 °C)
Response temperature Prewarning < 150 °C
Alarm/trip at max. 170 °C ±5 °C
Prewarning < 150 °C
Alarm/trip at max. 170 °C ±5 °C
The resistance change is proportional to the winding temperature change. The temperature
characteristic is taken into account in the closed-loop control.
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