I once in complete bafflement had to call in a Siemens engineer to help solve a problem with S7300F. He spent 2 hours on site did not fix the problem and charged me £90 per hour for the honer. He charged 4 hours travelling and 4 hours on site, he was a Dutch engineer and I was in Holland, you could drive right round Holland in 4 hours.
Are you doing a word or bit shift register?
Remember Siemens wonderful byte swap if your doing bit shift. I once did a double word bit shift and after much heart ache discovered the word swap as well.
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If it can be put off till tomorrow are you sure you need to do it at all
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