plc - Difference Between OPC UA and OPC DA? -


please explain difference between opc ua , opc da ?

in condition 1 should used, , if example can provided both opc ua , opc da, helpful

opc-ua successor opc-da. has many benefits, 1 of prominent being platform agnostic. there sdks available in multitude of languages , opc-ua can implemented on tiny embedded device running linux, desktop running windows, or server running os of choice.

for new development, given choice, opc-ua should used. reason use opc-da @ point in time if you're connecting legacy product supports opc-da , cannot replaced or upgraded.


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