Tips and tricks to get valuable information out where it can so some good. JOHN Rezabek recently discussed how to make more effective use of the infrastructure we likely already have installed, and in particular the investment in positioners ("Can things of yore deliver gold?" Control, July '17, p. 20, www.controlglobal.com/articles/2017/benefits-of-upgrading-to-get-more-information-may-easily-justify-the-cost). Here are some suggestions on how easy it is to capture the benefits John alluded to in July.
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