17.1 Interpreting Panel Displays
17.1.6 EtherCAT Communications Indicators
17-3
17
Appendices
17.1.6
EtherCAT Communications Indicators
RUN
The RUN indicator shows the status of EtherCAT communications.
ERR
The ERR indicator shows the error status of EtherCAT communications.
Indicator
Description
Status
Pattern
Off
Never lit.
EtherCAT (CoE) communications are
in INIT state.
Blinking
EtherCAT (CoE) communications are
in PRE-OPERATIONAL state.
Single
flash
EtherCAT (CoE) communications are
in SAFE-OPERATIONAL state.
On
Always lit.
EtherCAT (CoE) communications are
in OPERATIONAL state.
Flickering
EtherCAT (CoE) communications have
been started but are not yet in INIT
state.
Indicator
Description
Status
Pattern
Off
Never lit.
EtherCAT communications are being
performed.
Flickering
A boot error occurred.
Blinking
A change in state requested by the
master could not be made due to
register or object settings.
Single
flash
A synchronization error occurred and
EtherCAT (CoE) communications
automatically went to SAFE-
OPERATIONAL state.
Double
flash
An application (Sync Manager)
watchdog timeout error occurred.
On
Always lit.
A PDI watchdog timeout error
occurred.
200 ms 200 ms
On
Off
200 ms
1000 ms
On
Off
50 ms
On
Off
50 ms
On
Off
200 ms 200 ms
On
Off
200 ms
1000 ms
On
Off
200 ms 200 ms 200 ms
1000 ms
On
Off