About Serial Interface (RS-232C/422 Connection)

About Serial Interface (RS-232C/422 Connection)

No communication available

Are the cables connected correctly?
Are the communication specifications of the external devices compatible with the controller?
You can check the communication status in the Confirmation window.
Checking Communication Status (Non-procedure)

The controller works fine initially, but there is not response after a while

Is the buffer memory of the PC full?
Please verify if data can be received correctly based on current settings.

Data cannot be saved

Are the communication specifications of the external devices compatible with the controller?
Is "Flow control" in communication specifications set to "OFF"?
To save data, set "Flow control" to "OFF".
Setting Communication Specifications (RS-232C/422-PLC Link)
Setting Communication Specifications (RS-232C/422 - Non-procedure)