Siemens SINAMICS S120 Manual page 267

LED Color
COM -
Green
Red
MOD -
OUT > 5 V -
Orange
Make sure that the encoder connected is designed for a 24 V supply. Connecting a 5 V encoder to a 24 V supply can
1)
result in destruction of the encoder electronics.
AC Drive
Manual, (GH6), 07/2016, 6SL3097-4AL00-0BP5
State Description / cause
OFF Cyclic communication is not (yet) running.
Note:
The PROFIdrive is ready for communication when
the Control Unit is ready for operation (see LED:
RDY).
Continuous light Cyclic communication is taking place.
Flashing light Cyclic communication is not fully established yet.
0.5 Hz Possible causes:
- The controller is not transmitting any setpoints.
- In isochronous mode, the controller is not sending
a GC (Global Control) or is sending a defective
GC.
Flashing light The PROFIBUS master is sending a faulty
0.5 Hz parameter assignment or the configuration file is
corrupted.
Flashing light Cyclic bus communication has been interrupted or
2 Hz could not be established.
OFF -
OFF -
Continuous light The voltage of the electronics power supply for the
measuring system is 24 V.
Control Units, Control Unit Adapters and operating components
7.4 Control Unit CU310-2 DP (PROFIBUS)
1)
Remedy
-
-
-
Modify the
configuration between
master/controller and
control unit.
Rectify the fault in bus
communication.
-
-
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