Siemens SINAMICS S120 Commissioning Manual page 187

Control Unit 320-2 DP in operation
Table 3- 4 Control Unit CU320-2 DP – Description of the LEDs after booting
LED Color
RDY (READY) -
Green
Red
Red/
green
Orange
Green /
orange
or
red /
orange
DP –
PROFIdrive
cyclic
operation
Green
Commissioning Manual
Commissioning Manual, (IH1), 01/2012, 6SL3097-4AF00-0BP2
State
OFF Electronic power supply is missing or outside
permissible tolerance range.
Continuous The component is ready for operation and cyclic
light DRIVE-CLiQ communication is taking place.
Flashing Commissioning / reset
light
0.5 Hz
Flashing Writing to the memory card
light
2 Hz
Flashing General errors
light
2 Hz
Flashing Control Unit is ready for operation.
light However there are no software licenses.
0.5 Hz
Flashing Updating the firmware of the DRIVE-CLiQ
light components
0.5 Hz
Flashing DRIVE-CLiQ component firmware update
light complete. Wait for POWER ON for the
2 Hz components in question.
Flashing Component detection via LED is activated
light (p0124[0]).
2 Hz
Note:
Both options depend on the LED state when
component detection is activated via
p0124[0] = 1.
Off Cyclic communication has not (yet) taken place.
Note:
The PROFIdrive is ready to communicate when
the Control Unit is ready to operate (see LED
RDY).
Continuous Cyclic communication is taking place.
light
Flashing Full cyclic communication has not yet taken
light place.
0.5 Hz
Possible causes:
The controller is not transferring any

setpoints.
During isochronous operation, no global

control (GC) or a faulty global control (GC) is
transferred by the controller.
Description, cause
Diagnostics
3.1 Diagnostics via LEDs
Remedy
Check power supply
–
–
–
Check
parameterization/configuratio
n data
Obtain licenses
–
Turn POWER ON for the
components in question
–
–
–
–
185