Mitsubishi Electric MELSEC iQ-RJ71C24-R4 - Program Example; Program Example of Data Communication Using the Nonprocedural Protocol

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25 AUTOMATIC REMOVAL OF NULL CHARACTERS INCLUDED IN SEND DATA
25.4 Program Example
25.4 Program Example
This examples of data communication using the nonprocedural protocol are shown below.
Program example of data communication using the
nonprocedural protocol
This section shows program examples of data communication using the nonprocedural protocol when the settings/
registrations are made with Engineering tool.
Parameter setting
For details for each setting item, refer to the parameters. (Page 422 PARAMETER SETTING)
Item Setting content Remarks
CH1 CH2
Basic
settings
Various control
specification
Test mode setting  CH2 is not used 
Communication protocol setting Nonprocedural
protocol
Communication speed setting Set according to
the target device
Transmission setting Operation setting Independent
Data bit Set according to
the target device
Parity bit
Odd/even parity
Stop bit
Sum check code
Online change
Setting change
Station number setting (CH1, 2 in common: 0 to 31) 
Communication control specification NULL character
automatic removal
designation
Auto delete
enabled
Applicatio
n settings
User frame
specification
Send user frame designation Send frame
number
designation (1st)
43F2H Arbitrary registered data
Send frame
number
designation (2nd)
43F3H
Send frame
number
designation (3rd)
C001H
Send frame
number
designation (4th)
8000H Buffer memory
designation
Send frame
number
designation (5th)
441BH Arbitrary registered data