Error handling and diagnostics
CX51x0
77
Version: 1.9
9.3
Power supply terminal LEDs in K-bus mode
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.
Display
LED
Meaning
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.
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