Mitsubishi QJ71MB91 User Manual page 272

9
PROGRAMMING
Setting Module Intelligent function
module switch
command READY
setting change
status
Figure 9.47 MODBUS device assignment parameter setting program example when mounted to MELSECNET/H remote I/O station
9
- 43 9.3 Program Examples for Use in MELSECNET/H Remote I/O Network
9.3.2 MODBUS(R) device assignment parameters
(b) Program example for MODBUS device assignment parameter setting
The program example is shown below.
Processing fot normal completion
Processing fot error completion *1
R
Initializing MODBUS device assignment
parameter setting area
Device code (009D )
H
Head device number (0100 )
H
Coil
assignment1
Head coil number (0)
Assignment points
(512 points)
Device code (00A8 )
H
Head device number (3500)
Input
register
Head input register number
assignment1
(3499)
Assignment points
(5500 points)
Device code (F000 )
H
Head device number (5500 )
H
holding
register
Head holding register
assignment1
number (0)
Assignment points
(1024 points)
Writes set values into QJ71MB91
buffer memory with REMTO instruction
R
Turns ON MODBUS device assignment
parameter setting request when REMTO
instruction is normally completed.
Error completion of REMTO instruction
R
MODBUS device assignment
parameter setting request,
normally completed
R
MODBUS device assignment
parameter setting request,
error completed