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Recent content by dchartier

  1. dchartier

    How does a LPF work in RS 5000?

    Hello GHaulk; I am missing something in your process description, I think. An LPF instruction in RSLogix5000 is a "Low Pass Filter" instruction: "The LPF instruction attenuates signals that occur above the configured cutoff frequency. This instruction is typically used to filter out high...
  2. dchartier

    Fixed versus Modular PLCs

    Hello oddmanout; Sorry about your frustration, but... If you can't find ANY answer on the web, and I guess the web is the greatest trove of dissiminated knowledge ever built... Maybe the original question is inadequate. Maybe that's the way it was written out in your manuals, but I can assure...
  3. dchartier

    Function block prog. in Pascal

    Hello, mumarzia; I only saw your post today, ans I hoope this answer will still be usefull. Siemens' Pascal-like language is called SCL, and you can find the SCL programming manual at this address...
  4. dchartier

    Share your knowledge about "Profibus PA"

    Hello Fault40; We did a project 2 years ago using TI555 PLCs and Siemens Sitrans flowmeters. On the DP side, we could configure the DP/PA link (IM157) as a Profibus-DP slave in ComProfibus; but we could not see the PA side . We needed to generate a PA profile ( in Simatic PDM) for every device...
  5. dchartier

    Function Block Diagram Programming

    Hello Sanderscj; All Siemens S7-300 and 400 PLCs can be programmed either in Ladder or FBD, and you can easily look at the logic in either form as required. Step7-Basis is the programming software's name. The S7-200 can also do the same as per the most recent release of Step7-Microwin, v. 3.1...

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