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 | |
---|---|---|---|
|
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. |