11 COMMUNICATION BETWEEN THE MASTER STATION AND LOCAL
STATIONS
11.5.2 Confirming the operation with the sequence program
Q61P-A1
Q06HCPU
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Using the sequence program, confirm that the data link is being performed normally.
1) When X20 of the master station is turned on, Y41 of the local station turns on.
2) When X21 of the local station is turned on, Y40 of the master station turns on.
Master
station
QJ61BT11 QX41 QY41P QX41
Terminal
resistor
Q61P-A1
QY41P
Local station (station number 1:
occupies 4 stations)
Q25HCPU
QJ61BT11 QX41 QY41P QX41
Terminal
resistor
MELSEC-Q
QY41P
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