18.1 Interpreting Panel Displays
18.1.6 EtherCAT Communications Indicators
18-4
Link/Activity
The Link/Activity indicators show whether Communications Cables are connected to the CN6A and
CN6B connectors and whether communications are active.
Indicator
Description
Status
Pattern
Off
Never lit.
A Communications Cable is not connected and
the EtherCAT (CoE) controller is not running.
Flickering
Data communications are in progress.
On
Always lit.
A Communications Cable is connected, but data
communications are not being performed.
50 ms
On
Off