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19 - data transfer instructions, 19ć1, Data transfer file instructions – Rockwell Automation 1772-L8_LW_LWP_LX_LXP,D17726.5.8 User Manual User Manual

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Chapter

19

19-1

Data Transfer File Instructions

This chapter describes the data transfer file instructions:

File-to-File

Move

Word-to-File

Move

File-to-Word

Move

Figure 19.1

Types of File Instructions

Key Sequence

1770ĆT3 Display

Instruction Notes

FILE

10

EN

FILE-TO-FILE MOVE

COUNTER ADDR:
POSITION:
FILE LENGTH:
FILE A:
FILE R:

001
001

110- 110
110- 110

DN

RATE PER SCAN: 001

030

030

17

030

15

Output Instruction

Modes Complete, Distributed, and Incremental

Counter is internally incremented by the instruction.

Requires 5 words of user program.

FILE

11

DN

WORD-TO-FILE MOVE

COUNTER ADDR:
POSITION:
FILE LENGTH:
FILE A:
FILE R:

001
001

110

110- 110

030

030

15

Output Instruction

Counter must be externally indexed by user program.

Data is transferred every scan that rung is true.

Requires 4 words of user program

FILE

12

DN

FILE-TO-WORD MOVE

COUNTER ADDR:
POSITION:
FILE LENGTH:
FILE A:
WORD ADDRESS:

001
001

110- 110

010

030

030

15

Same as wordĆtoĆfile

A file is a group of consecutive data table words used to store information.
A file can be between 1 and 999 words in length. The address of word 1
defines the address of the file. When displayed, the words of a file are
designated consecutively by positions 001-999 according to the length of
the file.

Chapter Objectives