Mitsubishi LJ61BT11 User Manual page 282

Local station status confirmation
Control program
Confirmation of data link status
Control program
12 - 8
12 EXAMPLE OF COMMUNICATION BETWEEN THE MASTER STATION AND LOCAL STATIONS
(1) Master station program
(2) Local station program
Station number 1 is
performing the data link
Station number 1 is faulty
Control program using data
received from a local station
Program to generate
transmission data to a local
station
Local station is performing
data link
Control program using data
received from the master
station
Program to generate
send data to the master
station
12 - 8