VB6 communication with PLC

March 10th, 2010
I need to learn how to write code in VB6 that will send a data value (number) to a PLC? I also need to know how to receive that value in PLC? Here is what I am trying to accomplish: I have a stop light (green, yellow, red) that is wired to a PLC. I would like my "Visual Basic 6" program to send a value to the PLC and depending the range that value falls between the appropriate color on my stop light will turn on. I am very new to programming both Visual Basic 6 and PLC using RSLogix/ RSlinx (I am not an IT guy), so I need detail step by step instructions that a Kindergartener could follow.




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