GitHub user chrisdutz added a comment to the discussion: How to assemble 
request instructions with multiple "addTagAddress" points to ensure read speed

Well in general every driver woul get the request with all tags. However it's 
highly dependent on the protocol how they handle that. We therefore have so 
called "Optimizers" that can intercept and rewrite them before passing them to 
the protocol logic. The modbus and s7 drivers have very advanced ones. The SPI 
contains a universal one that makes single item requests out of multi item 
requests.

Please have a look at those. 

GitHub link: 
https://github.com/apache/plc4x/discussions/2126#discussioncomment-13351129

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