Mitsubishi Electric MELSERVO MR-J5-G-N1 Series, User Manual

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3 STRUCTURE
3.2 Switch setting and display of the drive unit
LED display
RUN MS (RUN LED), ERR NS (ERROR LED), and Link/Activity operate in compliance with the EtherCAT standard
(ETG.1300 EtherCAT Indicator and Labeling Specification).
LED status definitions
The following shows LED status definitions.
Explanations of LED statuses
■
RUN MS (RUN LED)
The RUN LED indicates the EtherCAT communication status (ESM status).
■
ERR NS (ERROR LED)
The ERROR LED indicates an error occurrence in EtherCAT communication.
■
Link/Activity LED (OUT port/IN port)
The Link/Activity LEDs indicate the link status of each EtherCAT communication port.
LED status Definition
On The LED is lit steady.
Off The LED is unlit.
Flickering The LED turns on and off repeatedly in a 10 Hz cycle (every 50 ms).
Blinking The LED turns on and off repeatedly in a 2.5 Hz cycle (every 200 ms).
Single flash The LED turns on for 200 ms and off for 1000 ms repeatedly.
Double flash The LED repeats the cycle of turning on for 200 ms -> off for 200 ms -> on for 200 ms -> off for 1000 ms.
LED Description
Status Color
Off  Indicates the power supply being shut off or the Init state.
Blinking Green Indicates the Pre-Operational state.
Single flash Indicates the Safe-Operational state.
On Indicates the Operational state.
LED Description
Status Color
Off  No errors
Blinking Red Indicates that the EtherCAT state cannot be changed as instructed from the master station.
Single flash Indicates that the EtherCAT state has been changed autonomously because of an internal error.
Double flash Indicates a watchdog error in the Sync manager.
On Indicates critical errors such as a watchdog timeout.
LED Description
Status Color
Off

Indicates that the power supply being shut off or the link-unestablished state.
On Green Indicates that the link is established but no traffic.
Flickering Indicates that the link is established with traffic.