Mitsubishi Electric QJ71MB91 User Manual page 257

9
PROGRAMMING
MELSECNET/H remote master station
Programmable
controller CPU
Device
MELSECNET/H
link refresh
*4
MELSECNET/H link scan
MELSECNET/H remote I/O station (setting target)
MELSECNET/H
remote I/O module
Device
Figure 9.27 Communications (When not using GX Configurator-MB)
2) When not using GX Configurator-MB
The automatic communication function buffer area data in the QJ71MB91 are
transferred to the programmable controller CPU on the MELSECNET/H
remote master station with the REMTO/REMFR instruction.
I/O signals are transferred by MELSECNET/H link refresh and MELSECNET/
H link scan.
MELSECNET/H
remote master module
*1
*2
QJ71MB91
CH2 Automatic
communication
function buffer
input area
2000H
2100H
64 words
213FH
2FFFH
CH2 Automatic
communication
function buffer
output area
4000H
4A00H
100 words
4A63H
4FFFH
* 1 Set the MELSECNET/H link refresh by refresh parameters in the network parameters.
( This section (3) (b))
* 2 Set the MELSECNET/H link scan by the network range assignment in the network parameters.
( This section (3) (b))
* 3 Automatic communication parameters are set from sequence program. (
* 4 The automatic communication function buffer area data in the QJ71MB91 are transferred to the
programmable controller CPU on the MELSECNET/H remote master station with the REMTO/
REMFR instruction. ( This section (4))
9.3 Program Examples for Use in MELSECNET/H Remote I/O Network
MODBUS slave device
(station No.1)
*3
Holding register
400001
*3
400100
465536
9.3.1 Automatic communication parameters
MODBUS slave device
(station No.2)
Coil
000001
015001
016024
065536
This section (4))
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