Mitsubishi QJ71MT91 - Page 219

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MELSEC-Q
10 DEDICATED INSTRUCTIONS
Program example
The following program is designed to read and write the device data in the holding
register of the slave (IP address: 192.1.0.2).
When the I/O signals of the QJ71MT91 are X/Y00 to X/Y1F
Ethernet
D100
D199
W0000
W001F
400500
400531
411000
411099
QJ71MT91
(Master)
QJ71MT91
(Master)
MODBUS /TCP
slave device
(192.1.0.2)
R
MODBUS /TCP
slave device
R
R
Device memory
100 points
32 points
32 points
100 points
Read
Write
MODBUS device