800xA CI854 drop unit position change
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"Can this be done on a live system"
"without an upset"
- Obviously if your plant is running there will be a period where your configured I/O does not match the rotary switch settings on the TU847 or remote PLC So you need to plan a little downtime while you change the switch settings on the station and reload the controller
"or does all of the associated IO automatically get renamed to the new position?"
- Yes, it does. Thats what you want.