Siemens 6SL3210-1SE27-5UA0 [207/318] Description

Siemens 6SL3210-1SE31-5AA0 [207/318] Description
Supplementary system components and encoder system integration
7.4 Sensor Module Cabinet-Mounted SMC30
Manual
Manual, 01/2011, 6SL3097-4AC10-0BP2
207
7.4 Sensor Module Cabinet-Mounted SMC30
7.4.1 Description
The Sensor Module Cabinet-Mounted SMC30 evaluates encoder signals and transmits the
speed, actual position value and, if necessary, the motor temperature and reference point via
DRIVE-CLiQ to the Control Unit.
The SMC30 is used to evaluate encoder signals from encoders with TTL, HTL, or SSI
interfaces.
A combination of TTL/HTL signal and SSI absolute signal is possible at terminals
X521/X531, if both signals are derived from the same measured variable.
7.4.2 Safety information
WARNING
The ventilation spaces of 50 mm above and below the component must be observed.
NOTICE
Only one encoder system may be connected per Sensor Module.
Note
There must be no electrical connection between the encoder system housing and the signal
cables, or the encoder system electronics. If this is not carefully observed, under certain
circumstances the system will not be able to reach the required interference immunity level
(there is then a danger of equalization currents flowing through the electronics ground).
CAUTION
When the encoder system is connected via terminals, make sure that the cable shield is
connected to the component.
CAUTION
Connecting cables to temperature sensors must always be installed with shielding. The
cable shield must be connected to the ground potential at both ends over a large surface
area. Temperature sensor cables that are routed together with the motor cable must be
twisted in pairs and shielded separately.

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