The number of fieldbus requests that were sent to set the address of a fieldbus device. This request is sent whenever a fieldbus device is commissioned. A network or fieldbus device problem might exist if this statistic is incrementing after all fieldbus devices on the port have been commissioned. To isolate the problem, check the communication statistics on each fieldbus device on this port. to check communication statistics on a device, right-click the device, and then select Display Communication Statistics.