Read Rockwell PLC?

GPA Products openHistorian
1

Is it possible to create an adapter to read Rockwell PLC value? I am currently using OSISoft PI and I’d like to see the possibility of replacing it with openHistorian. Thanks

2

Do you have Modbus support? Could use Modbus for that.

Could try this OPC client too:

Otherwise we would need to write an adapter read data from RSLinx or other option.

Thanks,
Ritchie

3

Thank you so much for your reply. I am not looking for a OPC DA or OPC UA client. I am looking for an adapter that can feed data to Open Historian. (In my case, I do have an ethernet IP communication module which could retrieve data from Rockwell PLC).

In general, I am looking for some document that can tell me how to write an adapter. I am checking with https://github.com/Pinkisagit/OpenHistorian-OPC-UA-Adapter but I have trouble to understand how it get data to OpenHistorian.

4

By the way, I am not using modbus.

5

Any example of making a custom adapter to feed data? where should I start?

Thanks a lot.