2.4 Communications with MP-series Controllers
Message Functions
2-76
The following table gives the valid channel numbers.
If the communications device is the 218IFD, there are 10 channels of communications buffers available
for both transmission and reception. Therefore, 10 connections may be used for sending and receiving at
the same time by using channels 1 to 10.
Param (First Address of Parameter List)
Specify the first address of the parameter list.
A total of 52 words starting from the specified first word are automatically used for the parameter list. The
parameter list is used by inputting the connection number and relevant parameter data. It is also where the
process results and status are output.
Communications Device Valid Channel Numbers
218IFD 1 to 10
There must be as many MSG-RCVE or MSG-SNDE functions as the number of connections used at
the same time.
A parameter list with the first address set to DA00000 is shown below.
PARAM00
PARAM01
PARAM02
PARAM03
PARAM04
PARAM05
PARAM06
PARAM07
PARAM46
PARAM47
PARAM48
PARAM49
PARAM50
PARAM51
DW00000
DW00001
DW00002
DW00003
DW00004
DW00005
DW00006
DW00007
DW00046
DW00047
DW00048
DW00049
DW00050
DW00051
Registers
Parameter List
F xxx xxxx xxxx xxx 0
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