easy and low-cost plc logging

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Thread Starter

dyer

Starting from PLC from Allen Bradley. What is the most easy and low-cost way to download information
for instance to a pocket pc, a laptop or a network?
 
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Jason Valenzuela

I've done some proof of concept logging PLC data into a database using Open Source software. With MySQL database and a DF1 communication library I wrote it worked great. Once in the database, accessing and processing the data is very easy.

Jason Valenzuela
 
H
As already noted, for the OPC server you can use either RSLinx Single Node (with DDE and/or OPC), or Kepware, plus there are others too.

You then need an OPC client to log the data. If you want to log the data to a standard database such as MS Access, MS SQL Server or Oracle use OPCWare (http://www.opcware.com). You could also set this software up to log to Excel or a raw ASCII text file, portable to other platforms. As well as being the most open, this is also your lowest cost option.
 
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