Hi,
is it possible to connect a Siemens PLC like the S7-300 or S7-1200/1500 to Home Assistant ?
Maybe with LIBNODAVE ?
Regards B-Tronic
Modbus tcp would work ok. No simatic license anymore either 
Hi, did you manage to talk to your Siemens PLC? I know that this post is more than a year old but I just wanted to let you know that I have managed to connect a S7 PLC to home assistant using modbus. I can help you out if you are still interested.
Hi, can you help me to a s7-1200/s7-1500 read data from a home assistant?
Hi everyone.
I’ve same request to connect with S7-1500 CPU.
I’m thinking that is better with S7communication instead of modbus (as there will be less effort on Siemens side). I was able to comunicate with node-red so I think that It can be not so hard…
Jorge, how did you solve?
Any advise for a newby? (me)
Thanks guys.
Hi,
I do a gateway with node red to interact with homeassistant