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

25 AUTOMATIC REMOVAL OF NULL CHARACTERS INCLUDED IN SEND DATA
25.6 Program Example
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25.6 Program Example
The examples of data communication using the bidirectional protocol are shown below.
Program example of data communication using the bidirectional
protocol
This section shows program examples data communication using the bidirectional 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)
Setting item Setting content
CH1 CH2
Basic
settings
Various
control
specification
Test mode setting  CH2 is not used
Communication protocol setting Bidirectional 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
Word/byte units designation Byte unit