Beckhoff CX50x0 Manuel d'utilisateur télécharger pdf (Page 71)

Notes on the documentation

CX50x0 - Hardware Documentation 69

LEDs of the E-bus-power supply unit (CX50x0-0xxx)

After switching on, the power supply immediately checks the connected Bus Terminal configuration. Error-free start-

up is signalled by the red "I/O ERR” LED being extinguished. If the ”I/O ERR" LED blinks, an error in the area of the

terminals is indicated. The error code can be determined from the frequency and number of blinks. This permits rapid

rectification of the error.

Display LED Meaning

Us 24 V Power supply for the CPU module

The LED lights green if the power supply is correct.

Up 24V 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.

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Beckhoff CX50x0 Manuel d'utilisateur Page 71