3.2.3.3 Behavior of the LEDs in the operating state
Table 3-28 Control Unit CU320-2 DP – Description of the LEDs during operation
LED Color Status Description, cause Remedy
RDY
(READY)
- Off Electronics power supply is missing or outside the
permissible tolerance range.
Check power supply
Green Continuous
light
The component is ready for operation and cyclic
DRIVE-CLiQ communication is taking place.
–
Flashing
light
0.5 Hz
Commissioning/reset –
Flashing
light
2 Hz
Writing to the memory card –
Flashing
light
0.5 s on
3 s off
Only active if a CBE20 Communication Board is
inserted:
PROFIenergy energy saving mode is active
For more detailed information see Function Manual
"SINAMICS S120 Drive Functions".
–
Red Flashing
light
2 Hz
General error Check parameterization / con‐
figuration data
Red/
green
Flashing
light
0.5 Hz
Control Unit is ready for operation.
However, there are no software licenses.
Obtain licenses
Orange Flashing
light
0.5 Hz
Updating the firmware of the DRIVE-CLiQ compo‐
nents
–
Flashing
light
2 Hz
DRIVE-CLiQ component firmware update com‐
plete. Wait for POWER ON for the components in
question.
Turn POWER ON for the com‐
ponents in question
Green/
orange
or
red/
orange
Flashing
light
1 Hz
Component recognition by flashing DCP
1)
Note:
Both options depend on the LED status when com‐
ponent recognition is activated via DCP.
–
Flashing
light
2 Hz
Component recognition via LED is activated
(p0124[0]=1).
Note:
Both options depend on the LED status when com‐
ponent recognition is activated via p0124[0] → 1.
–
Control Units
3.2 Control Unit CU320-2 DP (PROFIBUS)
Supplementary component descriptions
42 Manual, 06/2019