10.
Is the
communication cable
connected correctly?
Call IDEC for assistance.
Make sure of correct wiring.
YES
YES
Is the input to the
RXD instruction on?
Turn on the input to the RXD instruction.
NO
NO
NO
YES
Data is not received at all
in the user communication mode.
SmartAXIS Lite: When the power/run status LED is
not on
SmartAXIS Pro: When the LCD backlight is not on
*1
SmartAXIS Lite:
Is the power/run status LED on?
SmartAXIS Pro:
Is the LCD backlight on?