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Found 2 results

  1. Hello, new here but i have experience programming unitronics PLCs. A year ago i program one Vision 700 PLC for an oven. The program manage the oven and record temperatures. When the process ends. PLC send an email with the recordings. After three months with daily use the PLC stop working correctly. The user cant change the variables throught HMI. When touch the Variable box in HMI to change it nothing happened. The touch screen worked fine and user can touch other HMI Buttons but not Variables. What i did was zero all the PLC operants to default. Then everything works fine.After some time of use the same problem happened. I am trying to find a solution. My thought is that this has to do with an SB or SI but not sure. The program seems ok with no compile errors. Waiting for help.
  2. Greetings! Several days ago we installed a new vision 230 pls. Earlier we have the same pls but unfortunately because some technical issue we need to install a new one. So finally we install it, load a old program from previous pls and unfortunately we have some problems. Our pls read the data from electrical and water meters and then send it to e-mail at end of the month. Since we installed a new pls some of the data are missing for example: Flat Cold Hot 01 115.258 0.000 02 59.079 49.297 03 235.354 0.000 04 0.000 0.000 05 153.646 90.032 Tthis zero is not correct data reading. And finally it won't send us data to e-mail . Have you some ideas why on the same plc and with the same program we have this problems. if you need additional info please ask! program is attached. 16.vlp
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