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About Idothewires

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  1. I cannot open a FT View Archive File (.apa). I click on the file and FactoryTalk View Me application manager opens. I click next. I enter a name for the new application. I click finish and nothing happens.  Is there something I'm doing wrong? Any suggestions how to solve this issue?
  2. Siemens S7-1200

    there is no encoder on the motor there is an encoder on the line for footage that's it.    
  3. Siemens S7-1200

    Ok jrw, I looked into technology objects.  What I gather so far is that TO's need to be used with either servo motors or steppers.  What if I just want to control a third party VFD in open loop? 
  4. Siemens S7-1200

    Ok, I'll dig in to technology objects  
  5. Siemens S7-1200

    jrw, Not yet.  Would this be where I accomplish this task?
  6. Siemens S7-1200

    Crossbow, The VFD would be controlled through the analog output on the PLC(Siemens Simatic S7-1200).  The PLC gets its length signal from an encoder.  The HMI is a Siemens KTP 700 Basic.
  7. Siemens S7-1200

    I have an application that I am working on that I would appreciate some help with.  The idea is to speed up and slow down a VFD at a predetermined footage increment.  For example, the operator would set the limits of this increment on the HMI, say 9'' to 10''.  Now the motor would start to ramp up starting at 9'' and reach max at 10'' then ramp down to 9'' again.  Then repeat.  Also I would like to display the ramp progress on the HMI.  Would there be a particular function block that I could use for this? Any help with this would be greatly appreciated.