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Gabriel Franco

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About Gabriel Franco

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  1. I would use surge protection devices, both sides: 110 V and 24 V; good isolation relays (with AC snubber or DC diodes)
  2. Use any bit (MB or XB) you want, in parallel with SB2. Don't forget to Reset the bit. This way, there is no need to restart PLC .
  3. I think it only works for Vision family, not Unistream.
  4. Yoy can save it as UTC (double word, seconds from 01/01/1900) and then in Excel convert it to date/time format.
  5. Use address 8 and 9 to read Net weight high and low bytes. Tags should be INT16.
  6. I don´t think WebServer are the best way to inform alarms. From my point of view, WebServer are not HMI extension. If you need to remotely inform alarms, you could send SMS.
  7. Update firmware before first program download
  8. Try User Access Control, a more powerful tool for your need
  9. I suspect you´re using a CT with AC volts output. Analog input is only DC, 0 ... 10 Vdc range, then you need a converter from AC Volt to DC Volt.
  10. In ladder, use RESET COIL to reset the bit you use in HMI button
  11. I suggest to split code in two separated rungs: first, to read row and second to SET MB 0 (You´re using contact instead of coil) and load HMI. Make sure you´re not using ML 1 in other place and variable in HMI is large enough to show all characters.
  12. I had same problem long time ago. Workaround was, to increase delay time between reading different devices when an offline device detected.
  13. Go to "HMI - Font Handler" menu, select the font you want to modify and select those characters you want to show (only not default fonts)
  14. Regardless of the default socket and port configuration, I always configure the values at power up. It makes that rung explain itself and avoid misunderstandings with other programmers or even myself over time
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