Recent content by Wibar

  1. W

    Step 7 writing a positive edge to a data block

    Thanks for the information, It is clear that a programmer can use DB's for positive and negative edge's. However in the old days all this FP's and positive edges where written to global memory or set in a FB. Why should you use a DB and not Global memory? Example:<pre> A I0.0...
  2. W

    Step 7 writing a positive edge to a data block

    Last time I saw a program that writes the help_bit and positive or negative pulse bit to a data block. I know that in earlier days this was not working well because of opening and closing the data block during the cycle time. there fore it was necessary to write to the global memory area. id...
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