Cabinet Modules
5.3 Smart Line Modules
Cabinet Modules NEMA
174 Manual, 04/2014, A5E03586450A
Risk of death from 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.
• Only use temperature sensors that fully comply with the specifications of the electrical
separation.
• 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 the
Terminal Module TM120.
Device failure due to unshielded or incorrectly routed cables to temperature sensors
Unshielded or incorrectly routed cables to temperature sensors can result in interference
being coupled into the signal processing electronics from the power side. This can result in
significant disturbance of all signals (fault messages) up to failure of individual components
(destruction of the devices).
• Only use shielded cables as temperature sensor cables.
• If temperature sensor cables are routed together with the motor cable, use twisted-pair,
separately-shielded cables.
• Connect the cable shield at both ends to ground potential over a large surface area.
• Recommendation: Use suitable Motion Connect cables.
Risk of motor overheating due to 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.
Note
The temperature sensor connection can be used for motors that are equipped with a KTY84
-
1C130 or PTC probe in the stator windings.
Note
Connection to terminals 1 and 2
For ope
ration, 24 V DC must be present at terminal 2 and ground at terminal 1. When
removed, pulse suppression is activated.
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