BECKHOFF EL6930 - Manual (Page 55)

Operation
EL6930 53
4.4.3 Status LEDs
The LEDs State 1 to State 4 indicate the current status of the EL6900.
State 1 State 2 State 3 State 4 Meaning
off off off lit
•
No project present on the terminal
off off lit lit
•
Project present on the terminal
•
EtherCAT status: Pre-Operational (Pre-OP)
lit lit lit lit
•
Project present on the terminal
•
EtherCAT status: Operational (OP)