Specifications
2 - 1
CHAPTER 2 BEFORE USING ETHERNET MODULE
2.1 Two Data Codes
The Ethernet module can exchange data with external devices using binary or ASCII
codes.
The code setting can be switched between binary and ASCII using GX Developer.
For details, refer to Section 4.6.
(1) Communication using the binary code
The Ethernet module sends/receives 1-byte data without change.
(a) Merit
1) The capacity of data to be sent/received is a half compared to the ASCII
code, and the load on the line is reduced.
2) The data of 00
H to FFH can be processed.
(b) Demerit
To display numerical data, they must be converted to the ASCII code data.
Example: When sending/receiving 1234
H
1
2
H
12
H
34
H
3
4
H
External device
E
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e
r
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1-byte data are sent/received without change.