Diagnostics Led "Opt - Siemens Sinamics S120 Commissioning Manual
Canopen interface
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Also See for Sinamics S120:
- Function manual (1094 pages) ,
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Diagnosis
6.1 Diagnostics LED "OPT"
6.1
Diagnostics LED "OPT"
The following diagnostics LED "OPT" on the Control Unit CU320-2 indicates the status of the
CANopen node at the device.
Figure 6-1
The diagnostics LED "OPT" on the Control Unit, which displays both the module and
communication status, provides users with all the required information about the current
status of the CBC10.
General procedure
The different flashing frequencies indicate the following:
● Diagnostics LED OPT -> red
Is there a fault?
● Diagnostics LED OPT -> green
In which state is the node in the communication state machine?
OPT diagnostics LED
Table 6- 1
ERROR LED
flashing frequency
Off
Single flash
Double flash
On
122
Overview of the LEDs on the Control Unit
Diagnostics LED OPT -> red (CANopen error LED)
Status
No error
Warning limit
reached
Error Control
Event
Bus off
Meaning
Ready to run
At least one of the CAN controller error counters has
reached the "Error Passive" alarm threshold (too many
incorrect telegrams).
A Life Guard event has occurred.
The CAN controller is "Bus off".
Commissioning Manual, 11/2017, 6SL3097-4AA00-0BP3
CANopen interface
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