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How to choose between remote I/O modules or a different PLC

Posted: Thu Oct 23, 2014 8:46 pm
by Hernan1234
Hello everybody i'm working to plan a new architecture for a different area, i normally use an Allen Bradley 1400 PLC in each station with communication to a master PLC Compact Logix, but now i'm thinking to install in a new line the same Compact logix as master and add remote I/O modules for each station instead of the allen bradley plc 1400

How i can evaluate what can be better? any advice??