4.1.3 Meaning of the LED
Table 4-4 Meaning of the LED on the Communication Board CAN CBC10
LED Color Status Description, cause Remedy
OPT
on the Con‐
trol Unit
– OFF The electronics power supply is missing or outside the
permissible tolerance range.
Communication Board either defective or not inserted.
–
Green Continuous
light
OPERATIONAL –
Flashing light PREOPERATIONAL
No PDO communication possible
–
Single flash STOPPED
Only NMT communication possible
Red Continuous
light
BUS OFF Check baud rate
Check cabling
Single flash ERROR PASSIVE MODE
The error counter for "error passive" has reached the
value 127. After the SINAMICS drive system was booted
no further active CAN component was on the bus.
Check baud rate
Check cabling
Double flash Error Control Event, a Guard Event has occurred Check connection to
CANopen master
4.2 Communication Board Ethernet CBE20
The system can be connected to PROFINET using the Communication Board Ethernet CBE20
interface board.
The Communication Board has an Ethernet interface with 4 ports for communication. It is
inserted into the option slot on a Control Unit.
Option Boards
4.2 Communication Board Ethernet CBE20
Supplementary component descriptions
Manual, 06/2019 49
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