Siemens SINAMICS S120 Manual page 243

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 has not (yet) taken place.
Note:
PROFIdrive is ready for communication when
the Control Unit is ready (see LED: RDY).
Continuous light Cyclic communication is taking place.
Flashing light Full cyclic communication is not yet taking place.
0.5 Hz
Possible causes:
The controller is not transferring any
•
setpoints.
During isochronous operation, no GC (Global
•
Control) or a faulty GC is transferred by the
controller.
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
2 Hz or 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
7.3 Control Unit CU310-2 PN (PROFINET)
Remedy
-
-
-
Modify the
configuration between
master/controller and
control unit.
Rectify the fault in bus
communication.
-
-
1)
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