Siemens SINAMICS S120 Commissioning Manual page 242

Diagnostics
3.1 Diagnostics via LEDs
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
Red
240
State Description, cause
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 light Commissioning/reset
0.5 Hz
Flashing light Writing to the memory card
2 Hz
Flashing light General errors
2 Hz
Flashing light Control Unit is ready for operation.
0.5 Hz However, there are no software licenses.
Flashing light Updating the firmware of the DRIVE-CLiQ
0.5 Hz components
Flashing light DRIVE-CLiQ component firmware update complete.
2 Hz Wait for POWER ON for the components in
question.
Flashing light Component detection via LED is activated
2 Hz (p0124[0]).
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).
Continuous Cyclic communication is taking place.
light
Flashing light Full cyclic communication has not yet taken 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.
Flashing light PROFIBUS master is sending wrong
0.5 Hz parameterization/configuration data
Flashing light Cyclic bus communication has been interrupted or
2 Hz could not be established
Commissioning Manual, (IH1), 01/2013, 6SL3097-4AF00-0BP3
Remedy
Check power supply
–
–
–
Check parameterization /
configuration data
Obtain licenses
–
Turn POWER ON for the
components in question
–
–
–
–
Adapt configuration
between
master/controller and CU
Remedy fault
Commissioning Manual