Allen-Bradley Logix Driver (not Legacy)

Well, yes, it IS pretty cool.

Buried in the above module (premium version) is the ability to construct properly-encoded CIP requests and decode the responses.

The scripting is, unfortunately, somewhat difficult to work with and poorly documented. /:

A major upgrade that will simplify your use-case is in the works. I was hoping to release a beta in Q1, but that plan hit some rocks. (A refactoring of +42k -25k LOC, so far.) The refactor is to support a whole bunch of client features, including class/instance/attribute access. I'm regression testing a big chunk of it right now. (: