
7 APPLICATION INSTRUCTION
7.21 Module access instruction
607
7
Reading 1-word/2-word data from another module
FROM(P), DFROM(P)
• FROM(P)
These instructions read (n) words of data from the buffer memory specified by (s) in intelligent function module specified by
(U/H), and store the data to the device specified by (d) and later (d).
• DFROM(P)
These instructions read the (n)
2 words of data from the buffer memory specified by (s) intelligent function module specified
by (U/H), and store the data to the device specified by (d) and later.
Setting data
■
Descriptions, ranges, and data types
■
Applicable devices
*1
Only the DFROM(P) instruction can be used.
Ladder diagram
Structured text
ENO:=FROM(EN,UnHn,s,n,d);
ENO:=FROMP(EN,UnHn,s,n,d);
ENO:=DFROM(EN,UnHn,s,n,d);
ENO:=DFROMP(EN,UnHn,s,n,d);
Operand
Description
Range
Data type
Data type (label)
(U/H)
Unit number
H1 to H10
16-bit unsigned binary
ANY16
(s)
Start address of the buffer memory where the read-target data is
stored
0 to 65535
16-bit unsigned binary
ANY16
(d)
FROM(P)
Head device number for storing the read data
16-bit signed binary
ANY16
DFROM(P)
32-bit signed binary
ANY32
(n)
Number of read data
1 to 65535
16-bit unsigned binary
ANY16
Operand
Bit
Word
Double word
Indirect
specification
Constant
Others
X, Y, M, L,
SM, F, B, SB
U
\G
T, ST,
C, LC
T, ST, C, D,
W, SD, SW, R
U
\G
Z
LC
LZ
K, H
E
$
(U/H)
(s)
(d)
(n)
(U/H)
(s)
(d)
(n)
Summary of Contents for MELSEC iQ-F FX5 series
Page 1: ...MELSEC iQ F FX5 Series Programming Manual Instructions Standard Functions Function Blocks ...
Page 2: ......
Page 21: ...19 PART 1 PART 1 OVERVIEW Part 1 consists of the following chapter 1 OVERVIEW ...
Page 98: ...96 4 STANDARD FUNCTIONS FUNCTION BLOCKS 4 2 Standard Function Blocks MEMO ...
Page 840: ...838 23 TIME DATA FUNCTIONS 23 4 Division MEMO ...
Page 887: ......