Rockwell Automation Samsung NX-CPU700p, User Manual, Page: 113 / 122

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Modify the contents of the bits stored in the absolute address (R, L, M, K, F, or TC).
Change the bit state between On/Off.
Can change multiple consecutive bytes.
Query (Q) frame
Response (R) frame
Read the content of the words (R, L, M, K, F, or W) assigned to the absolute address.
Can read n consecutive words.
Query (Q) frame
Response (R) frame
DA SA $22 N
Base
L H
Base+0
bit value
Base+N+1
bit value
-
Base+N-3bit
value
CRC
L H
DA SA $A2 &01
&00
CRC
L H
DA SA $23 $30
Base
L H
N
CRC
L H
DA SA $A3 L
Base+0word
L H
Base+1word
L H
-
Base+1word
L H
CRC
L H
Completion code
Fixed
N word values from the base words requested by the Q.
Length L = Nx2
To turn On the desired bit value from the base, enter $FF.
To change to Off, enter $00.
Absolute bit address (starting address)
Refer to
Absolute Addressing on Chapter 3 .
Word absolute address (starting address)
Refer to
Absolute Addressing on Chapter 3 .
Ex) Absolute address of K127 word is $01BF.
BASE L=$BF, H=$01
Number of words to be read
Write bits
Read words