DOC-0017-06-EN: AC20 Series CANopen Option
14 (47)
DOC-0017-06-EN-B 04.04.2023
Wiring Diagram Example
7.2 LED Indications
RUN LED
This LED reflects the status of the CANopen device.
LED State
Description
Comments
Off
-
No Power.
Green
OPERATIONAL
-
Green, Blinking
PRE-OPERATIONAL
-
Green, 1 Flash
STOPPED
-
Green,
Flickering
AUTOBAUD
Baud rate detection in progress or LSS in
progress (alternately flickering with ERROR LED)
Red
EXCEPTION
Fatal Event
If both LEDs turn red, this indicates a fatal event; the bus interface is shifted into a physically passive state
ERR LED
This LED indicates CANopen communication errors.
LED State
Description
Comments
Off
-
No power or the device is in working condition.
Red, 1 flash
Warning limit reached
A bus error counter reached or exceeded its
warning level
Red, Flickering
LSS
LSS services in progress (alternately flickering
with RUN LED)
Red, 2 flash
Error Control Event
A heartbeat event (Heartbeat consumer) has
occurred
Red
Bus off (Fatal Event
Bus off
