Mitsubishi Electric MELSEC iQ-F Series FX5 User Manual page 19

■When communicating data in binary code
External equipment Subheader
CPU module 2 bytes
It is not necessary to set the response to a command from the external equipment by the user because the
response is created and sent by the CPU module.
Subheader configuration
This section describes the subheader configuration.
■When communicating data in ASCII code
Command message
5 0 0 0
35H 30H 30H 30H
■When communicating data in binary code
Command message
50H 00H
Control procedure
This section describes the control procedures and the format of the application data when performing the data
communication.
The  (Thick line) part shown in the message explanation diagram of this section are items common to all commands and
correspond to the * portion of the message explanation diagrams indicated in Page 72 Device Write Block or after in this
chapter.
For the data contents and the data specification method of the  (Thick line) part, refer to Page 22 Application data
specification items.
Data code (ASCII/binary) to be used when communicating, it is determined by the parameters of the GX
Works3.
[Module Parameter]  [Ethernet Port]  [Communication Data Code]
Application data
Text (command)
The text differs
depending on
the function.
Response message
D 0 0 0
44H 30H 30H 30H
Response message
D0H 00H
The text differs depending
on the function and
whether the command
2 bytes
ends normally or not.
Subheader Text (response)
Application data
3 MESSAGE FORMAT
17
3.1 Message Format
3