CANopen status and error LEDs
CANopen run status
Colour On Flickering together
with Error LED
Single flash Blinking
Green Operational state LSS Stopped state Pre-operational
state
CANopen communication
states
Description
Operational State for process data transmission.
LSS LSS services in progress
Stopped Except for node guarding or heartbeat messages, a node cannot
transmit or receive any other messages in this state.
Pre-operational State for the configuration of CANopen devices. PDO communication
is not possible in this state.
CANopen error status
Colour On Flickering together
with Error LED
Single flash Blinking Triple flash
Red Bus off LSS Warning limit
reached
Error control
event
Sync error
CANopen error states Description
Bus off CAN controller is in bus off.
LSS LSS services in progress.
Warning limit reached At least one of the error counters in the CAN controller has reached or
exceeded its warning level (e.g. too many error frames).
Error control event A guard event or a heartbeat event has occurred.
Sync error The sync message has not been received within the configured com-
munication cycle time.
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