E-bus

The power supply unit checks the connected EtherCAT Terminals. The "L/A" LED is lit in E-bus mode. The "L/A" LED flashes during data transfer.

Diagnostic LEDs in K-Bus mode.

Display

LED

Meaning

E-bus 1:

Us 24 V

Power supply for basic CPU module. The LED lights green if the power supply is correct.

Up 24 V

Power supply for terminal bus. The LED lights green if the power supply is correct.

L / A

off

E-bus not connected.

on

E-bus connected / no data traffic.

flashes

E-bus connected / data traffic on the E-bus.