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Publication 20D-UM002C-EN-P - November 2003
Placing and Configuring Local I/O 4-19
Monitoring a rack-optimized connection
The controller views the DIN rail as another module in the system. Each DIN
rail has its own data. To view this data through the programming software:
You can write logic to monitor the rack bits and take appropriate action if a
fault occurs. For example, the following logic determines whether an error
occurs on the Local rail. Then, the logic determines whether the error
occurred at the module in slot 0. You can continue this logic to check each
module on the rail.
1. In the Controller Organizer, select Controller Tags. Right-click to display the Data Monitor.