Master Station Program; Local Station Program - Mitsubishi MELSEC Q Series User Manual

11 COMMUNICATION BETWEEN THE MASTER STATION AND LOCAL
STATIONS
Local station status confirmation
Control program
Confirmation of data link status
Control program
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(1) Master station program

(2) Local station program

MELSEC-Q
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
11 - 11