SMC Networks LECSN-T Series - 18.2.3.2 LED indication list

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18．EtherCAT COMMUNICATION
18.2.3.2 LED indication list
(1) RUN LED
The RUN LED indicates the EtherCAT communication status (ESM status). The extinguished RUN LED
may be affected by the LED status of the Link/Activity LEDs. Refer to section 1.4 for the communication
status (ESM status).
LED
Description
Status
Color
Extinguished
Indicates that the power supply is shut off or the Init state.
Blinking
Green
Indicates the Pre-Operational state.
Single flash
Indicates the Safe-Operational state.
Lit
Indicates the Operational state.
Lit
Red
Indicates that a fatal error has occurred. This indication is specific to the
EtherCAT Network card (LEC-S-NE).
(2) ERROR LED
The ERROR LED indicates an error of the EtherCAT communication. If the driver indicates an alarm,
follow the remedy of the alarm number.
LED
Description
Status
Color
Extinguished
No error
Blinking
Red
Indicates that the EtherCAT state cannot be changed according to the master
command.
Single flash
Indicates that the EtherCAT state has been changed autonomously due to an
internal error.
Double flash
Indicates a watchdog error in the Sync manager.
Lit
Indicates the EXCEPTION state, which is an error state of the EtherCAT
Network card (ABCC-M40-ECT).
Flickering
Indicates an error at start-up of the EtherCAT Network card
(ABCC-M40-ECT).
(3) Link/Activity LED (OUT port/IN port)
The Link/Activity LEDs indicate the link status of each EtherCAT communication port.
LED
Description
Status
Color
Extinguished
Indicates that the power supply is shut off or the link-unestablished state.
Lit
Green
Indicates that the link is established without traffic.
Flickering
Indicates that the link is established with traffic.