>Does anybody wrote a counter program that receives data from a serial port?
>I am trying to write a program that will get information through a serial PC port from a P.L.C. I want to make this program count and log machine cycles, total downtime, averages etc.
>Does anyone know how to get data from a serial port to Visual FoxPro application?

Might want to look at the MSComm Control. Look for the help file Comm98.chm on your drive you installed VFP on.