Rockwell Automation 1772-L8_LW_LWP_LX_LXP,D17726.5.8 User Manual User Manual
Page 297
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Data Transfer File Instuction
Chapter 19
19-5
Table 19.A
Modes of Operation
Mode of Operation
R = Rate Per Scan
Number of Words
Operated Upon
Complete
R = File Length
Entire file per scan
Distributed complete
0<R< File Length
R words per scan
Incremental
R = 0
One word per rung
transition
ATTENTION: The counter address for the File-to-File Move
instruction should be reserved for that instruction only. Do not
manipulate the counter accumulated or preset word. Changes to
these values could result in unexpected machine operation with
damage to equipment and/or injury to personnel.
When the rung becomes:
True
The data is transferred from the source file to the destination
file at the specified rate per scan.
False
No action is taken.
Here is an explanation of each value:
This Value:
Stores This:
Counter address
Address of the instruction's file position in the accumulated
value area of the data table.
Position
Current word being operated upon (accumulated value of
the counter).
File length
Number of words in file (preset value of the counter).
File A
Starting address of the source file.
File R
Starting address of the destination file.