Diagnostic LEDs
LEDs for fieldbus diagnostics/power supply
|
LED |
Color |
Display |
State |
Description |
|---|---|---|---|---|
|
Link/Act (X1, X2, X3) |
green |
off |
- |
No connection on the EtherCAT strand |
|
on |
linked |
EtherCAT device connected | ||
|
flashes |
active |
Communication with EtherCAT device | ||
|
Power |
green |
off |
No supply voltage | |
|
on |
24 V supply voltage present (Us or Up) | |||
LED diagnostics EtherCAT State Machine
LED | Color | Meaning | |
|---|---|---|---|
RUN (green arrow) | green | This LED indicates the terminal's operating state: | |
off | State of the EtherCAT State Machine: INIT = initialization of the terminal | ||
Single flash | State of the EtherCAT State Machine: PREOP = function for mailbox communication and different default settings set | ||
flashing | State of the EtherCAT State Machine: SAFEOP = verification of the Sync Manager channels and the distributed clocks. | ||
on | State of the EtherCAT State Machine: OP = normal operating state; mailbox and process data communication is possible | ||
flickering | State of the EtherCAT State Machine: BOOTSTRAP = function for terminal firmware updates | ||
orange | on | EP9521 is in EtherCAT mode, rotary switch was moved during operation | |
red | on | EP9521 is in Ethernet mode, rotary switch was moved during operation | |
red/green | flashing | Invalid rotary switch position after PowerOn Remedy: Move rotary switch to valid position | |