Siemens SINAMICS Equipment Manual page 28

Control Units
3.1 Control Unit CU320-2 PN (PROFINET)
LED Color
COM –
PROFIdrive
cyclic opera‐
tion
Green
Red
OPT –
(OPTION)
Green
Red
RDY and Red
COM
RDY and Orange
OPT
DCP = Discovery and Configuration Protocol
1)
DCP is used by PROFINET to determine PROFINET devices and allow basic settings. Further information can be found in
the SINAMICS S120 Function Manual "Communication".
Any individual behaviors of the LED OPT are described for the respective Option Board.
2)
26
Status Description, cause
Off Cyclic communication has not (yet) taken place.
Remark:
PROFIdrive is ready for communication when the
Control Unit is ready (see LED RDY).
Continuous Cyclic communication is taking place.
light
Flashing Full cyclic communication has not yet taken place.
light
Possible causes:
0.5 Hz
● The controller is not transferring any setpoints.
● In isochronous operation, synchronization is
not yet complete.
Flashing Bus error,
light incorrect parameter assignment/configuration
0.5 Hz
Flashing Cyclic bus communication has been interrupted or
light could not be established
2 Hz
Off Electronics power supply is missing or outside the
permissible tolerance range.
Component is not ready.
Option board not installed or no associated drive
object has been created.
Continuous Option board is ready.
light
Flashing Depends on the Option Board used
light
0.5 Hz
Continuous Depends on the Option Board used
light
Flashing Depends on the Option Board used
light
0.5 Hz
Flashing At least one fault is present in this component. Op‐
light tion board not ready (e.g. after switching on).
2 Hz
Flashing Bus error - communication has been interrupted
light
2 Hz
Flashing The firmware of the connected option board is be‐
light ing updated.
0.5 Hz
Remedy
–
–
–
Adapt configuration between
controller and devices
Remove fault
Check power supply and/or
component
–
. –
2)
. –
2)
. –
2)
Remove the fault and acknowl‐
edge
Remove fault
–
Supplementary component descriptions
Manual, 06/2019