9/14/2010 3:27 PM | |
Joined: 9/27/2006 Last visit: 9/26/2024 Posts: 12283 Rating: (2685) |
Hello Gas2; Profibus transcievers are powered locally, and the user must ensure that grounding and shieldingissues are properly taken care of during installation and commissioning. Here is a bit of information that you can read up on: Information on Profibus voltage levels (from the transcievers): http://www2.electronicproducts.com/Industrial_networking_with_Profibus-article-faapti-sep2007-html.aspx http://focus.tij.co.jp/jp/lit/an/slla177a/slla177a.pdf The standard RS-485 definition of VOD is the differential output voltage found across a 60-W resistor over a common-mode voltage range of –7 V to 12 V. Manuals from the PI website (www.profibus.com): PROFIBUS Technology and Application - System Description PROFIBUS Installation Guidelines Installation Guideline for PROFIBUS DP/FMS Online WBT Cabling and Assembly (Web-Based training) Hope this helps, Daniel Chartier |
Last edited by: dchartier at: 9/14/2010 3:42 PMLast edited by: dchartier at: 9/14/2010 3:41 PM |
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