Mitsubishi MELSEC LJ71C24, User Manual

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App. - 69 App. - 69
APPENDIXES
Appendix 6.5 Sending/receiving data using the nonprocedural or bidirectional protocol
Appendix 6.5.1 Receiving data using the nonprocedural or bidirectional protocol
The following shows a program example of connecting an external device (personal
computer) to CH1 of the C24 and receiving data by nonprocedural and bidirectional
protocols, using auto refresh and X/Y signals.
(1) Setting of the C24 installed to the head module
Perform the switch setting and communication protocol setting for the C24 to the
head module.
To use the program example in this section, set as follows.
(a) Switch setting
Set the transmission specifications and communication protocols with the
external device.
The following is an example of the nonprocedural protocol setting using
CH1.
For the bidirectional protocol, set the communication protocol to the
bidirectional protocol.
[Operation procedure]
Project window [Intelligent Function Module] [LJ71C24] [Switch
Setting]
[Setting screen]