Leds On The Control Unit - Siemens SINAMICS S120 Equipment Manual

Control Units
2.2 Control Unit 320 (CU320)
Description of the LEDs on the control unit
Table 2-9 Description of the LEDs on the control unit
LED Color
RDY -
(READY)
Green
Red
Green
Red
Orange
DP1 -
(PROFIBUS
cyclic operation)
Green
Red
OPT -
(OPTION)
Green
Red
MOD -
Green
2-14
State Description
OFF Electronics power supply outside permissible tolerance range.
Continuous The component is ready for operation and cyclic DRIVE-CLiQ
communication is taking place.
Flashing Writing to CompactFlash Card
2 Hz
Continuous At least one fault is present in this component.
Flashing CompactFlash Card has not been inserted.
0.5 Hz Boot error (e.g. firmware cannot be loaded to the RAM).
Flashing Control Unit 320 is ready for operation.
0.5 Hz No software licenses for device.
Continuous DRIVE-CLiQ communication is being established.
Flashing Unable to load firmware to RAM.
0.5 Hz
Flashing Firmware CRC error
2 Hz
OFF Cyclic communication is not (yet) running.
Note:
The PROFIBUS is ready for communication when the control unit is
ready for operation (see RDY LED).
Continuous Cyclic communication is running.
Flashing Cyclic communication is not yet running fully.
0.5 Hz Possible reasons:
The master is not transmitting setpoints.
•
No global control (GC) or master sign-of-life is transmitted during
•
isochronous operation.
Continuous Cyclic communication has been interrupted.
OFF Electronics power supply outside permissible tolerance range.
The component is not ready for operation.
The option board is missing or an associated drive object has not
been created.
Continuous Option board ready for operation
Flashing Depends on the option board used.
0.5 Hz
Continuous At least one fault is pending in this component.
The option board is not ready (e.g. after power ON).
OFF Reserved
Continuous Reserved
Equipment Manual for Control Units and Additional System Components
Equipment Manual, (GH1), 04.2004 Edition, 6SL3097-2AH00-0BP0