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Thanks for the support. The bit shift lesson was very informative. I'm learning instructions as I come across them but I haden't crossed that one in our programs, I need exactly that to track parts on a index chain to a test station. I look forward to solving this issue now.

Thanks again Dave
Thanks for taking the time to comment! As a rule of thumb, I usually try to limit my use of instructions to those that are more common than the bit shift instruction. The simpler the program the less experience the person maintaining the system has to have to successfully troubleshoot and maintain the system. I have come across some programs where it seemed that the programmer felt if there was an instruction available it should be used. That said I will add that your application sounds like the perfect case to use it.
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