Appendix G  MSG-SND/MSG-RCV Functions (Ethernet)
G.2  Message Receive Function (MSG-RCV)
A-92
( 1 ) MEMOBUS Parameter List
* It is IN/OUT for MODBUS/TCP. 
Note: IN: Input, OUT: Output, SYS: For system use
( 2 ) Non-procedural Parameter List
Note: IN: Input, OUT: Output, SYS: For system use
Param No. IN/OUT Contents Description
00
OUT
Process result Outputs process results.
01
OUT
Status Outputs the status of the communication device.
02
IN
Connection number Specifies the remote source.
03
OUT
Option Outputs a unique value for each communication device.
04
OUT
Function code Outputs a function code requested from the transmission side.
05
OUT
*
Data address
Outputs the start address of data requested from the transmission 
side.
06
OUT
Data size
Outputs the read/write data size requested from the transmission 
side.
07
OUT
Remote CPU number Outputs the remote CPU number.
08
IN
Coil offset Sets the coil’s offset word address.
09
IN
Input relay offset Sets the offset word address of an input relay.
10
IN
Input register offset Sets the offset word address of an input register.
11
IN
Holding register offset Sets the offset word address of a holding register.
12
IN
Write range LO Sets the start address for a write range.
13
IN
Write range HI Sets the last address for a write range.
14
SYS
Reserved 1 −
15 to 16
SYS
Reserved 2 −
Param No. IN/OUT Contents Description
00
OUT
Process result Outputs the process results.
01
OUT
Status Outputs the status of the communication device.
02
IN
Connection number Specifies the remote source.
03
OUT
Not used −
04
OUT
Not used −
05
OUT
Not used −
06
OUT
Data size Outputs the write data size requested from the transmission side.
07
OUT
Not used −
08 to 11
IN
Not used −
12
IN
Register offset Sets the register's offset word address.
13
IN
Write range HI Sets the last address for a write range.
14
SYS
Reserved 1 −
15 to 16
SYS
Reserved 2 −