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PI to PI or PI-OPC Interface?

Question asked by hadish on May 8, 2019
Latest reply on May 8, 2019 by hadish


We have some remote/long distance sites with low bandwidth (<2 MBPS, and one site still uses VSAT) that need to be accessed by engineers in HQ.  AFAIK, PI server in HQ can collect data from the remote DCS/PLC either by direct from PI-OPC Interface or via PI-to-PI interface installed on site. The later will require us to have PI server installed on site. 


What are the pro's and con's of using either PI-OPC or PI-to-PI in this situation?

Any feedback is welcome.