#3 Siemens Logo with Node-red

Today I've been testing how to comunicate a Siemens Logo programable relay with Node-red.


What is a programmable relay?

I'll dare to say that we can consider programmable relays very similar to PLC's, maybe less memory, less speed, less I/O, however, a lot of preconfigured functions and much better price for most applications we have to make.

What you can do with Logo and Nodered? 

Once you can monitor and control Logo variables in Node-red you can implement IIOT very easily. You could make a web dashboard, save the variables is a database, send emails, create alarms with Telegram and a lot of things more.


It's a very interesting subject to work more about...

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