LEDs of the power supply in E-bus mode

After switching on, the power supply immediately checks the connected Bus Terminal configuration. In the E-Bus mode the “L/A” led lights up. It starts blinking when there is traffic on the bus.

Display

LED

Meaning

LEDs of the power supply in E-bus mode 1:

Us 24 V

Power supply for the 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

flashing

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