Siemens SINAMICS S120 Commissioning Manual page 169

The surface temperature of the motors may be more than 100 °C (212 °F). Risk of burns
Make sure that the cooling system (if available) is working properly.
Do not touch the motor during/directly after use.
Attach the "Hot Surface Do Not Touch" (DW-026) warning sign close to the source of
danger where it can be easily seen!
Temperature-sensitive parts (electric cables, electronic components) may not be placed on
hot surfaces.
Electrical shock hazard!
A voltage is induced when the rotor rotates. The motor power connections must be properly
connected or insulated before the rotor turns!
The temperature monitoring circuits pose a risk of electric shock!
The circuits of Temp-S and Temp-F do not meet the electrical separation requirements for
power circuits according to DIN EN 61800-5-1 (previously protective electrical separation
according to DIN EN 50178).
Directly connecting temperature monitoring circuits Temp-S and Temp-F via the encoder
connector of the Sensor Module SMC20 (X520 pin 13 and pin 15) does not fulfill the
requirements of electrical isolation, and is therefore not permitted.
Use, for example, the SME12x or TM120 to connect the Temp-S and Temp-F temperature
monitoring circuits.
Commissioning Manual
Commissioning Manual, (IH1), 01/2013, 6SL3097-4AF00-0BP3
WARNING
DANGER
DANGER
2.13 Commissioning SIMOTICS 1FW6 built-in torque motors
Commissioning
167