UniDDE
UniDDE (Unitronics Dynamic Data Exchange) enables you to read and write data between Unitronics OPLCs and applications that support DDE, such as Excel.
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Of course - that's what a SCADA does. I have several customers that use SCADA to collect data from PLCs that I have programmed. It works very reliably. Be sure you have reasonable values set as Power-Ups for SI 101 - 106, as applicable. SI 103-106 should help with this. This allows the connection to drop after the specified time period (note the the time units are 100ms). I usually put in 10 or 20 for this. -
By Jacob Bauer · Posted
Thanks for answering so fast Ausman, sorry that my reply has been delayed till now. All in all my experience with SD-cards haven't been to good. I just don't find it stable/reliable. I have a setup with an internet connected router, a plc and a lot of data being stored from sensors. Is it possible to send the data directly to a server instead? The UniCloud solutions becomes a bit expensive, if you have many or frequent data points. 1) Not sure. 2) I do not see the Auto-recconnect tick, that you are talking about. 3) These are the connection settings - how long timeouts would you recommed? Timeout was set to one second in the communication with the router - increased it to 3 - seems to be a bit more stable. 4) Sadly I didn't see anything in the screen-recording - except the « Cannot communicate with the specified UnitID » . Cheers, Jacob Bauer -
You don't have the project opened anywhere else do you? Verify that all of the files are closed on any other machine. -
Sent your request to support@unitronics.com Add U90Ladder version number -
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