User`s manual
313
CHAPTER 12 TRANSPARENT CODES AND ADDITIONAL CODES
12
12.6 Example of Data Communication Using the Bidirectional Protocol
12.6 Example of Data Communication Using the Bidirectional
Protocol
This section shows examples of the bidirectional protocol data communication when the following settings and
registrations are made.
(1) Settings via GX Developer
Perform the following settings on the "Switch setting" screen.
(2) Settings via GX Configurator-SC
Register the following settings on the "Transmission control and others system setting" screen.
For items other than those listed below, the default values are used.
Setting item Setting value Remarks
Switch 1
CH1 Transmission setting
Set according to the external
device.
CH1 Communication rate setting
Switch 2 CH1 Communication protocol setting 0007H Bidirectional protocol
Switch 3
CH2 Transmission setting
0000H
Not usedCH2 Communication rate setting
Switch 4 CH2 Communication protocol setting 0000H
Switch 5 Station No. setting 0000H Q series C24 station number
Registration screen Setting item Setting value Remarks
Transmission control and other
system settings
Send transparent code designation
1st combination
1002H
Transparent code: 02H (STX)
Additional code: 10H (DLE)
Send transparent code designation
2nd combination
1003H
Transparent code: 03H (ETX)
Additional code: 10H (DLE)
Receive transparent code
designation 1st combination
1002H
Transparent code: 02H (STX)
Additional code: 10H (DLE)