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  1. esung911

    DNP 3.0 IO LIST/TABLE

    I'm trying to create a DNP IO list to provide to our DCS vendor but no one around me know what fields are required. What should the DNP IO list consist of? Thanks
  2. esung911

    UL approval question

    I'm researching instruments and I'm relatively new to this line of work. I hope my question is easy to answer. If a measuring instrument is UL listed and classified as for example, Class 1, Div 1 & 2, Groupe E, F, G (Ashcroft B-Series Switches), does this mean it is a UL approved device? I...

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