Hello,can help me?i use 1 plc CP1L.For my project,i have one autowidth adjustment machine.Then i have 1 AOI machine with autowidth adjustment (others vendor).So,they want AOI machine as a master autowidth adjustment.Key in width on their system then my machine receive their width adjustment.They use text string to send the data to me.The questions,how i can read their string?base on requirement,use RS232 communication.Thanks..