For Factory automation I use a product called Wonderware Intouch. Currently I get data into this system from third party systems through a Windows VB application I created that screen scrapes HTML web pages from those systems and writes the data I want into a csv file which is read into Wonderware Intouch at intervals of 1 hour to 15 minutes.
I want to get Gateway data into Intouch and am considering the following options:
- My preference would be to modify the gateway so it could generate a csv file at regular time intervals, for the data I am interested in, and ftp it to my server
- Screen scrape the Gateway webpage - but the login presents a problem for me in my vb app. I would need to get my vb app to load the gateway web page without a login prompt.
- go about the full blown MQTT route and do a full integration with OpenHAB which I am seeing many people talk about.
Can anyone help me get started in how to modify the gateway to generate a csv file at intervals of once an hour and if possible ftp the file?
If you remove the http auth from nginx, there will be no login but your gateway is now exposed. If this is inside a LAN its not a problem.
The periodic FTPing will require custom coding some javascript.