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Siemens SIROTEC Device Manual

Siemens SIROTEC
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8.11 K50, Sensor Module Cabinet-Mounted SMC30
Cabinet Modules NEMA
Manual, 04/2014, A5E03586450A
381
8.11.2
Safety instructions
WARNING
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.
Use temperature sensors that fully comply with the specifications of the electrical
separation.
NOTICE
Damage when an impermissible number of encoder systems is connected
If more than the maximum permissible number of encoder systems are connected to a
Sensor Module, this will cause damage.
Only connect a maximum of 1 encoder system to a Sensor Module.
NOTICE
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.
Note
Diminished level of interference immunity due to equalizing currents via the electronics
ground
Ensure that there is no electrical connection between the encoder system housing and the
signal cables, or the encoder system electronics.
If this is not observed, the system may
not be able to achieve the required interference
immunity (there is then a danger of equalizing currents flowing through the electronics
ground).

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Siemens SIROTEC Specifications

General IconGeneral
BrandSiemens
ModelSIROTEC
CategoryDC Drives
LanguageEnglish

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