Mitsubishi Electric L26CPU-BT User Manual page 321

CHAPTER 12 EXAMPLE OF COMMUNICATION BETWEEN THE MASTER STATION AND LOCAL STATIONS
(1) Master station program
Local station status confirmation
Control program
Control program of station number 1
Control program of station number 5
(2) Local station program
(a) Ver.1 compatible local station (station number 1) program
Confirmation of data link status
Control program
Station number 1 is faulty
Station number 5 is faulty
Control program using
data received from local
station of station No. 1
Program to generate
transmission data to local
station of station No. 1
Control program using data
received from local station
of station No. 5
Program to generate
transmission data to local
station of station No. 5
Local station is performing
data link
Control program using data
received from a master station
Program to generate send
data to the master station
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