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6/1/2011 2:24 PM | |
Posts: 22 Rating: (0) |
In what application that the O( instruction must be used instead of O for STL that the segment can be converted to LAD and CSF? |
6/1/2011 3:21 PM | |
Joined: 10/7/2005 Last visit: 9/21/2024 Posts: 3021 Rating: (1054)
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Hello Trank there are probably some generic rulesthat apply, butI must admit that I never concenred myself with this subject. Having said that, Appendix A4 of the Step 5 V7.2 programming manualhas a fair few LAD/CSF<-->STL comparisonexamples. Additionally, the individual CPU manuals(e.g. S5 115U) contain nice side by side comparison overviews of how for example an "OR before AND" instruction is implemented in STL,LAD orCSF. You may also find the link below useful, even though it is Step 7 specific: Why can't you display an STL program in FBD or in LAD? I hope this helps |
Cheers |
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