Groov View data to a PC via Node-RED?

[Abrielle08]

Hi,

I’m new to Opto22 and Node-RED, and I want to gather data from my Groov View to my PC using Node-RED. Can I do that?

Thank you for any help.

[Beno]

Hi there Ann Marie. Welcome to the Opto22 forums.

If I am following your question… at the moment groov View is a HMI only. Its not a gateway.
So any devices you add to it, you cant extract data out of those devices in groov View for use in other software packages.

If we just back up a little, usually you can get the data from your existing devices into Node-RED without going via groov View, so what devices are you using that you’d like to see their data in Node-RED?

[Abrielle08]

Sorry, my question is not that clear.

We have a Groov View chart that is automatically extracted using an internet downloader, but it sometimes fails. I was wondering if Node-RED could extract the data from our Groov View chart and write it to a CSV file.

Those data are process variables (temperature, pressure, and gas).

[Beno]

Ah, gotcha.
Yes, you can do that.

Save groov trend data to a CSV file on the AR1

Edit by @Beno. Clearly you can not just keep saving the trend data to the groov Box over and over forever. Firstly because it is already stored in the trend, so it is not a backup of any kind and secondly because there is a limit to the amount of data you can store on the hard drive. Please consider using the second flow in this thread, sending trend data to an email address as a CSV attachment. Thanks to Mary’s post on how to get a URL to download chart data, and a little use of curl, you…

That flow should get you up and running quick.

[Abrielle08]

Thank you very much for the help. I will look into it