Siemens S120 User Manual

 

Motor components of the built-in motor and options 

 

3.2 Thermal motor protection 

Table 3- 3 

Technical data of the KTY 84 PTC thermistor 

Name 

Description 

Type 

KTY 84 

Transfer range 

- 40 °C ... + 300 °C 

Resistance when cold (20 °C) 

approx. 580 Ω 

Resistance when hot (100 °C) 

approx. 1000 Ω 

Connection 

Connect signal cable with connector to SME12x module. 

Application 

Temperature monitoring to determine the motor utilization. 

Temperature characteristic 

 

5HVLVWDQFH˖

7HPSHUDWXUHr&

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DANGER 

 

Electrical shock hazard! 
To fulfill the requirements of electrical separation in accordance with EN 61800-5-1, it is not 

enough to connect the signal cable (cores ws and br) to the SMC20 Sensor Module. The 

temperature monitoring circuits must be connected to the drive control via the SME12x 

module. 

 

 

 

NOTICE 

 

When connecting temperature sensors with open cable ends, please pay attention to how 

the core colors are assigned (described in the section dealing with connections). 

 

 

1FW6 Built-in torque motors 
Configuration Manual, 05/2009, 6SN1197-0AE00-0BP3 

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