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OptoTutorial: Using the SNAP PAC REST API with Excel


Filename: 2229_OptoTutorial_SNAP_PAC_Excel.zip
File Size: 5141 KB
Version: 1.0
Last Update: 8/24/2017
Compatibility:

Description:

A great advantage to getting data from a PAC controller into a Microsoft® Excel® worksheet is that you can use Excel’s features to analyze the data.

This tutorial walks you from the beginning—setting up the Web server in a SNAP PAC controller—all the way through creating an Excel worksheet with Visual Basic® for Applications (VBA) macros that:
• Read and write to input and output points
• Parse JSON text strings
• Check for input and return errors
• Collect data on an automated interval and display it in an Excel chart


For more tips, help, and code samples, visit the Opto 22 Developer’s portal at http://developer.opto22.com.

Notes:

This tutorial is based on the hardware and software that come with a SNAP PAC Learning Center (part number SNAP-PACLC).
If you don’t have a Learning Center but you’re comfortable using PAC Manager™ and PAC Control™, you can modify the instructions to work with your own Opto 22 devices.

You’ll need:
• Microsoft Excel 2007 (or higher) and a basic understanding of how to create, open, and close worksheets, select cells, and resize columns
• A SNAP PAC Learning Center (or your own SNAP PAC R- or S-series controller and I/O modules)
PAC Project™ Basic (included with the Learning Center and also available to download for free from the Opto 22 website) and a good understanding of PAC Manager and PAC Control
• The files in this tutorial’s download file

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