Supplementary system components and encoder system integration
8.1 Sensor Modules
AC Drive
Manual, (GH6), 04/2014, 6SL3097-4AL00-0BP4
365
Temperature sensor connection
Damage to motor in the event of incorrectly connected KTY temperature sensor
A KTY temperature sensor connected with incorrect polarity cannot detect if the motor
overheats. Overheating can cause damage to the motor.
• Connect a KTY temperature sensor with the correct polarity.
You can find information for parameterizing the KTY temperature sensor in the SINAMICS
S120 Function Manual (FH1) in Chapter "Monitoring and protective functions/thermal motor
monitoring".
Note
The maximum length of the temperature sensor cable is 100
m. The cables must be
Danger to life due to electric shock in the event of voltage flashovers at the temperature
sensor
Voltage flashovers in the signal electronics can occur in motors without safe electrical
separation of the temperature sensors.
• Use temperature sensors that fully comply with the specifications of the safety isolation.
• If safe electrical separation cannot be guaranteed (for linear motors or third-party
motors, for example), use a Sensor Module External (SME120 or SME125) or Terminal
Module TM120.
X524 Electronics power supply
Table 8- 15 X524: Electronics power supply
Voltage: 24 V (20.4 … 28.8 V)
Current consumption: max. 0.55 A
Max. current via jumper in connector:
20 A (15 A according to UL/CSA)
M Electronics ground
Type: Screw terminal 2 (Page 437)
Max. cross-section that can be connected: 2.5 mm
²
The maximum cable length that can be connected is 10 m.
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