Siemens Sinamics s120 Commissioning Manual page 310

Diagnostics
4.1 Diagnostics via LEDs
Control Unit 320-2 PN in operation
Table 4- 7 Control Unit CU320-2 PN – Description of the LEDs after booting
LED Color
RDY –
(READY)
Green
Red
Red/
green
Orange
Green/
orange
or
red/
orange
PN –
PROFIdrive
cyclic
operation
Green
310
State Description, cause
OFF The electronics power supply is missing or outside
the permissible tolerance range.
Continu- The component is ready for operation and cyclic
ous 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 fault
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 compo-
light nents.
0.5 Hz
Flashing DRIVE-CLiQ component firmware update com-
light plete. Wait for POWER ON for the components in
2 Hz question.
Flashing Component detection via LED is activated
light (p0124[0]).
2 Hz
Note:
Both options depend on the LED status when
component recognition is activated via p0124[0] =
1.
Off Cyclic communication has not (yet) taken place.
Note:
PROFIdrive is ready for communication when the
Control Unit is ready (see LED RDY).
Continu- Cyclic communication is taking place.
ous light
Flashing Full cyclic communication has not yet taken place.
light
Possible causes:
0.5 Hz
The controller is not transferring any setpoints.
•
During isochronous operation, no global con-
•
trol (GC) or a faulty global control (GC) is
transferred by the controller.
"Shared Device" is selected (p8929=2) and
•
only one controller connected.
STARTER Commissioning Manual
Commissioning Manual, (IH1), 07/2016, 6SL3097-4AF00-0BP5
Remedy
Check power supply
–
–
–
Check parameterization /
configuration
Obtain licenses
–
Turn POWER ON for the
components in question
–
–
–
–