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7/19/2010 2:20 PM | |
Joined: 9/27/2006 Last visit: 9/19/2024 Posts: 12282 Rating: (2684) |
Hello Bala; Industrial PLCs are not often used in commercial HVAC applications .Actually they are part of different worlds. PLCs have specifications much more stringent for industrial applications; they control hiogher currents and voltages, they have requirements for longer and more frequent use of input-output signals, and they can be used in safety applications. HVAC applications are less demanding, and so they are generally less costly. The division of both worlds has allowed different development environments: PLCs support different networks than HVAC controllers for example. If you need to work with standard HVAC equipment, Profibus networks will not serve you, you will need LON, Bacnet or Konnex. Siemens supportsd HVAC applications through a different division then A&D (where you are now), called Siemens BuildingTechnologies (SBT). Have a look at their offerings on HVAC controllers in the following link: http://www.buildingtechnologies.siemens.com/bt/global/en/buildingautomation-hvac/hvac-products/hvac-controllers/Pages/hvac-controls.aspx Hope this helps, Daniel Chartier |
Last edited by: dchartier at: 7/19/2010 8:25 PM |
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