‑9‑
No.
Interface
Name
Description
1
Signal
indicators
PWR Power
indicator
Green ON when power supply is
switched on
RUN
Running
state
indicator
OFF ECT module is in INIT state
Blinking (green) ECT module is in state Pre‑
Operational
Single flash
(green)
ECT module is in state Safe‑
Operational
ON (green) ECT module is in state
Operational
ERR
Communica‑
tion error
indicator
OFF EtherCAT communication is
normal
Blinking (red) EtherCAT communication
receives non‑executable state
transition commands
Single flash (red) Network disconnection, ECAT
module synchronization error
Double flash
(red)
EtherCAT watchdog error
SF
Fault
indicator
OFF The device is normal
Single flash An error occurred in the
expansion module
Blinking Invalid configuration
2
Type‑C
interface
Used for software upgrade of the board
3
EtherCAT
interface
IN: EtherCAT input
OUT: EtherCAT output for connecting back‑end EtherCAT slaves
4 24 V
power
supply
For power supply input
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