Mitsubishi Electric MELSEC iQ-R Series - Page 156

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10 BUFFER MEMORY ACCESS
10.1 Buffer Memory
Word length
Specify the word length of the buffer memory to be read/written.
■Data communication in ASCII code
Convert the numerical value to 4-digit ASCII code (hexadecimal), and send it from the upper digits.
■Data communication in binary code
Send 2-byte numerical values from lower byte (L: bits 0 to 7).
Ex.
For 5 words and 20 words
Read data, write data
The read buffer memory value is stored for reading, and the data to be written is stored for writing.
This function reads/writes data in word unit.
■Data communication in ASCII code
Convert the numerical value to 4-digit ASCII code (hexadecimal), and send it from the upper digits.
■Data communication in binary code
Send 2-byte numerical values from lower byte (L: bits 0 to 7).
Ex.
When the data for one buffer memory address is 09C1H
Number of device points ASCII code Binary code
5 words
20 words
ASCII code Binary code
30 H 30 H 30 H 35 H
00 50
05H 00H
30H 30H 31H 34H
00 4
1
14 H 00 H
30 H 39 H 43 H 31 H
09 1
C
C1 H 09 H