Leds On The Cu320 Control Unit - Siemens SINAMICS S120 Equipment Manual

Diagnostics

7.2 LEDs on the CU320 Control Unit

7.2 LEDs on the CU320 Control Unit
Table 7- 1 Meanings of the LEDs on the CU320 Control Unit
LED Color
---
Green
RDY
(READY)
Red
Green/
red
Orange
---
DP1
(PROFIBUS
cyclic
operation)
Green
Red
---
OPT
(OPTION)
Green
Red
MOD ---
312
Status Description
Off The electronics power supply is missing or outside the permissible tolerance
range.
Steady light The component is ready for operation and cyclic DRIVE-CLiQ communication
is taking place.
Flashing Writing to CompactFlash card
light
2 Hz
Steady light At least one fault is present in this component.
Flashing Boot error
light
0.5 Hz
Flashing Control Unit 320 is ready for operation.
light However, there are no software licenses.
0.5 Hz
Steady light DRIVE-CLiQ communication is being established.
Flashing Unable to load firmware to RAM.
light
0.5 Hz
Flashing Firmware checksum error, CRC error.
light
2 Hz
Off Cyclic communication has not (yet) taken place.
Note:
The PROFIdrive is ready for communication when the Control Unit is ready
(see LED RDY).
Steady light Cyclic communication is taking place.
Full cyclic communication is not yet taking place.
Flashing Possible causes:
light
The controller is not transferring any setpoints.
•
0.5 Hz
When in isochronous mode, either no Global Control (GC) or a faulty
•
Global Control (GC) is transferred by the master.
Steady light Cyclic communication has been interrupted.
Off The electronics power supply is missing or outside the permissible tolerance
range.
Component is not ready.
•
Option Board not installed or no associated drive object has been created.
•
Steady light Option Board is ready.
Flashing, 0.5 Depends on the Option Board used.
Hz
Steady light At least one fault is present in this component.
The Option Board is not ready (e.g. after power ON).
Off Reserved
S120 Cabinet Modules Equipment Manual
Manual, (GH5), 10/2008, A5E00427098A