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The drive system senses and evaluates the motor temperature using the sensor signal
(refer to the drive system documentation).
Table 4- 3
PTC thermistor resistance
(25 °C)
Resistance when hot (100 °C)
Conductor cross-section
Outer diameter
Temperature characteristic
Note
NTC thermistors are ESD components
Carefully observe the ESD instructions.
4.1.1.4
Overview of the temperature sensor connection options
You can connect the Pt1000 and PTC as follows:
● PTC via thermistor motor protection 3RN2013-1GW30, Pt1000 connected to SMC20
● PTC via thermistor motor protection 3RN2013-1GW30, Pt1000 connected to SME20
SIMOTICS M-1FE1 synchronous built-in motors
Configuration Manual, 09/2019, A5E47872980B AA
Technical data, NTC K227 and NTC PT3-51F
Designation
Motor components, characteristics and options
Technical data
NTC K227
Approx. 32.8 kΩ
Approx. 1800 Ω
0.14 mm
2
0.8 mm
4.1 Motor components
NTC PT3-51F
Approx. 49.1 kΩ
Approx. 3300 Ω
0.14 mm
2
0.8 mm
55
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