Siemens S120 - X41 EP Terminal; Temperature Sensor Connection

Power Modules
4.4 Power Modules Chassis
AC Drive
164 Manual, (GH6), 04/2014, 6SL3097-4AL00-0BP4
4.4.3.5
X41 EP terminal / temperature sensor connection
Table 4- 31 Terminal block -X41
Terminal
Function
Technical data
1 EP M1
(Enable Pulses)
Supply voltage: 24 V DC (20.4 ... 28.8 V)
Current consumption: 10 mA
Signal propagation delays:
L → H: 100 μs
H → L: 1000 μs
2 EP +24 V
(Enable Pulses)
3
-Temp
Temperature sensor KTY84-1C130 / PTC / PT100 sensors
4
+Temp
Max. connectable cross-section: 1.5 mm²
WARNING
Danger to life due to electric shock in the event of voltage flashovers at the temperature
sensor
Voltage arcs to the signal electronics can occur for motors without electrical separation of
the temperature sensors.
• Only 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.
NOTICE
Device failure due to unshielded or incorrectly laid cables to the temperature sensors
Unshielded or incorrectly laid cables to the temperature sensors can cause induced
voltages from the power side to the signal-processing electronics. This can cause massive
interferences of all signals (error messages) through to the failure of individual components
(damage of the devices).
• Use only shielded cables to the temperature sensors.
• If cables to temperature sensors are laid together with the motor cable, use twisted pairs
and separately shielded cables.
• Connect the cable shield to ground potential through a large surface area.
• Recommendation: Use appropriate Motion Connect cables.
NOTICE
Risk of motor overheating for incorrectly connected KTY temperature sensor
A KTY temperature sensor connected with incorrect polarity cannot detect if the motor
overheats.
• Make sure that you connect the KTY temperature sensor with the correct polarity.