Data Format; Header; Application Data - Mitsubishi Electric MELSEC-L SERIES Basic User Manual

12.6

Data Format

Communication data consists of a header and application data.
12.6.1

Header

The header for TCP/IP or UDP/IP is used. Because an E71 automatically adds and deletes a header, the user setting
is not required.
(1) Detailed header sizes
(a) TCP/IP
(b) UDP/IP
12.6.2

Application data

This section describes the application data configuration.
(1) Procedure exists
In the application data for communications with the "Procedure Exist" control method, the following data code is
expressed in a binary code or an ASCII code. To switch between a binary code and an ASCII code, use the
Ethernet operation setting.
Project window
"Ethernet" under "Network Type".
Ethernet IP
(14 bytes) (20 bytes)
Ethernet IP
(14 bytes) (20 bytes)
[Parameter] [Network Parameter]
CHAPTER 12 COMMUNICATIONS USING A FIXED BUFFER
TCP
(20 bytes)
UDP
(8 bytes)
[Ethernet/CC IE Field]
button
12
Select
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