
7 APPLICATION INSTRUCTION
7.5 Data table operation instruction
351
7
7.5
Data table operation instruction
Reading the oldest data from the data table
SFRD(P)
These instructions read data for first-in first-out control.
Setting data
■
Descriptions, ranges, and data types
■
Applicable devices
Ladder diagram
Structured text
ENO:=SFRD(EN,s,n,d);
ENO:=SFRDP(EN,s,n,d);
Operand
Description
Range
Data type
Data type (label)
(s)
Start number of the word device storing the data
(The start is a pointer. The data is stored starting from (s)+1.)
16-bit signed binary
ANY16
(d)
Word device number storing data taken out first
16-bit signed binary
ANY16
(n)
Number of stored points plus "1". "+1" is required for the pointer.
2 to 32768
16-bit signed 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
$
(s)
(d)
(n)
(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: ......