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Print Instruction CR200 RS232 vs. C2 Port


BasicUser May 6, 2025 08:49 PM

I created a small LCD display that uses the serial output of the Print instruction to display data.  I have used this for years using the RS232 port and now I want to use it with the C2 port.  When I switch the data wire to the C2 port the display doesn’t work but if I use the RS232 port the display works properly.  Below is the instruction I use for the RS232 port:

       Print(2,9600,"Batt.(V)=",BattVolt, "     ")

The instruction I use for the C2 port:

     Print(4,9600,"Batt.(V)=",BattVolt, "     ")

What is the difference between the RS232 and C2 port that prevents this from working?

Thank you for your help.

 

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