3.1.2.7
SMC30 Sensor Module
The SMC30 (Sensor Module Cabinet-Mounted 30) evaluates motor encoder signals. The
sensor module transfers the speed and actual position value to the Control Unit via the internal
DRIVE-CLiQ communication interface.
Note
If an encoder fails, the mode can be switched over to "encoderless".
For more information, see document "Supplementary component descriptions".
3.1.2.8
Insulation monitoring device
The converter is operated on an ungrounded IT supply system. Insulation faults must therefore
be detected. A system comprising two parts is employed to detect insulation faults:
● The evaluation unit IRDHxx
● The coupling device AGHxx
The evaluation unit monitors the insulation resistance.
The evaluation unit is installed upstream of the AGH520S coupling device installed in the power
unit.
3.1.2.9
DC/DC converter
DC/DC converters are used to provide a stable and reliable 24 V power supply for the TM15/
TM31 terminal module, the circuit breaker, and the SIMATIC S7 (optional).
3.1.2.10
SITOP Select
The SITOP Select is used to monitor and distribute the load current of the 24 V DC power
supply. The SITOP Select has four independent output channels. The output current of each
channel can be adjusted from between 3 A and 10 A.
Each channel has its own status signal.
● Channel 1 monitors the power supply for the SINAMICS modules.
● Channel 2 is used to supply the customer terminals and the circuit breaker.
● Channels 3 and 4 monitor the 24 V DC power supply in the power section
3.1.2.11
Sirius safety relay
The safety relay monitors the status of the Emergency Off circuit, and is used to implement a
safety-related shutdown when dangerous conditions occur. LEDs indicate the operating state
and the function.
Description
3.1 Closed-loop control
SINAMICS SL150 6SL39616RC100AA02
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