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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.
Содержание CX50 0 Series
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