and subsequently receiving responses from all the slave stations, the master station starts the next link scan. Link refresh is performed in END processing after receiving responses from all the slave stations.
St: Scan time
Ls: Link scan
END: END processing
The master station sends a request to slave station 1 and slave station 2.
Slave station 1 sends a response to the master station.
Slave station 2 sends a response to the master station.
Once the master station has received responses from slave station 1 and slave station 2, the master station starts the next link scan.