How to add expansion modules to an Allen Bradley Compactlogix PLC and configure them in Rockwell Automation's Studio 5000. Adding and configuring these expansion modules allows you to use a great variety of field devices. Items used in this video: https://controls.tw/yt-plc-trainers The above links make these videos possible. Please use them! Subscribe to our channel https://www.youtube.com/user/TimWilborne?sub_confirmation=1