3.8.12 Line filter
Line filters are used to suppress interference in the auxiliary power supplies. Information about
the connection of the line filters is contained in the circuit manual. The mounting location is
provided in the layout diagram.
Figure 3-7 Line filter
3.8.13 SIRIUS safety relay
The safety relay has failsafe enabling circuits as NO contact circuits.
The LEDs indicate the operating state and the function. When the EMERGENCY STOP
buttons or limit switches are released and the ON button is pressed, the internal circuit of the
safety relay and the external contactors are monitored to ensure that they are functioning
correctly.
3.8.14 Auxiliary power supply
3.8.14.1 1 AC auxiliary voltage
The customer must provide a 1 AC auxiliary power supply for the following components:
● Cabinet lighting
● Service socket outlets
● Anti-condensation heating
● Open-loop and closed-loop control
Refer to the drive technical data for auxiliary power supply current rating. The terminal
assignment is provided in the circuit diagram of the drive.
See also
Connecting the auxiliary voltage (Page 73)
Description
3.8 Components
SINAMICS SH150 6SL3805
38 Operating Instructions 05/2020
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