This page shows the EtherCAT slave device online state. This page includes the following components:

  • Device State—Displays the state of the slave device. The current slave device state LED is on (light green). You can change the slave device state by clicking the corresponding button.
  • Device Error—Displays the slave device error information.
    • Error LED—If the slave device has no error in the last configuration, the LED is off (dark red). Otherwise, the LED is on (light red). Click the Explain Error button to see the error happening in the last slave device configuration.
    • Clear Error—Clears the error.
  • Download Firmware—Downloads the firmware to the slave device.

If the slave device is disconnected, all state LEDs are off in dark green.

You can also leverage the NI Scan Engine, change to the slave device state, or change the NI Scan Engine mode.