Appendix G MSG-SND/MSG-RCV Functions (Ethernet)
G.1 Message Transmit Function (MSG-SND)
A-82
G.1.8 Relationship between Data Address, Data Size, and Offset for MSG-SND
Function
The relationship between data address, data size, and offset is as follows, when transmitted with offset:
( 1 ) When Reading
Fig. G.4 Data Flow when Reading
Fig. G.5 Parameter Setting
MW00000
MWxxxxx
Offset A
Data address B
Data size C Data
M register
MP2000 series (transmission: master) Remote device (reception: slave)
Data address B
Data size CData
Start address of the read
data storage area
Coil, input relay,
input register, and holding registers
[MSG-SND function]
Parameter list
PARAM00
PARAM01
:
PARAM05
PARAM06
PARAM07
PARAM08
PARAM09
PARAM10
PARAM11
:
PARAM16
Data address B
Data size C
Offset A
Valid parameter may differ, depending on the function code and
communication protocol used.
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