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
1770T3 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 wordtofile
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
