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  1. Bayard

    Siemens S7-200 edit program

    I have a question that is similar to this thread. I have a piece of equipment bought from overseas that was programmed with Simens S-300 Step 7. I want to be able to view the ladder logic of the program. When I downloaded S7 on a separate machine and tried to open up the program, I can't see...
  2. Bayard

    Calculating Heat Load

    Here are details: Location: Maryland Room Ft2: 289 Room Temp: 68 F RH: 45% Room Changes: Classification of room still undecided.. either 24 changes/hr or 50 changes/hr. (I should calculate both but I am assuming 24/hr for now) We are using Ducted Hepa Filters. (exhaust fans on roof) This...
  3. Bayard

    Calculating Heat Load

    I am trying to determine needs for a room to be converted from lab space to clean room space. I need to determine the HVAC requirements so I can hopefully add on to an existing zone without overloading it. It is a class 100,000 room 45% RH 2309 ft^3. The air is 75% recirc. It will contain...
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