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Hi all, please comment on the impacts of changing from isolated analog inputs to non isolated analog inputs. This is for an existing Rockwell 1794 Flex IO system that currently uses 1794-IF4I 4 point islated analog input cards. The rack has the max of 8 cards and we need more analog points. We are looking at changing the 4 point cards to 8 point or 12 point non isolated analog inputs 1794-IE8 or 1794-IE12. The existing inputs are 4-20mA. What are the disadvantages? Is this a simple change, un-terminate replace card, and re-terminate? Any other ideas?
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