beautypg.com

1772-6.8.6, 11 - data transfer file instructions, 11ć1, Data transfer file instructions – Rockwell Automation 1772-LS_LSP,D17726.8.6 PROG/OPER MANUAL-MINI PLC-2/05 User Manual

Page 110

background image

Chapter

11

11-1

Data Transfer File Instructions

This chapter describes the data transfer file instructions:

file to file move
word to file move
file to word move

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.

The word address defines:

the location in the data table to which or from which the data will

be moved.

this word address can be manipulated by ladder diagram logic

There are two types of file instructions:

those with an externally indexed counter (word-to-file move and

file-to-word move)

those with an internally indexed counter (file-to-file move)

Figure 11.1 shows the difference in format between these two types of
file instructions.

Chapter Objectives

Types of File Instructions