Rockwell Automation 1775-S5_SR5,D17756.5.5 User Manual PLC-3 FAMILY I/0 User Manual
Page 78
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Addressing DH and DH+ Data Transfers
Chapter 5
5-4
You can only address a group of words as the source field in an assignment
command. The destination must be a file that is as large as, or larger than,
the source size plus the offset.
Figure 5.2
Example for Addressing Consecutive PLCĆ2 Words
$
Address delimiter
Word offset from beginning of memory (octal)
Delimiter
Number of words to be transferred (decimal)
015 , 4
Addressing a single word is similar to addressing a word range only
without specifying a size:
Format:
Example:
offset
$047
Addressing a Bit
To address a specific bit within a word, use the following format:
Format:
Example:
offset/bit
$047/015
Figure 5.3
Example for Addressing Specific Bits in PLCĆ2 Memory
$ 0121
Bit number 10 (octal)
Bit delimiter
Word offset from beginning of memory (octal)
Address delimiter
/ 010