594
7 APPLICATION INSTRUCTIONS
7.6 Reading/Writing Data Instructions
Reading data from the data memory
S(P).DEVLD
These instructions read data from the device data storage file in data memory.
■
Execution condition
Setting data
■
Descriptions, ranges, and data types
*1 When specifying setting data by using a label, define an array to secure enough operation area and specify an element of the array
label.
■
Applicable devices
Ladder
ST
ENO:=S_DEVLD(EN,s,n,d);
ENO:=SP_DEVLD(EN,s,n,d);
FBD/LD
Instruction
Execution condition
S.DEVLD
SP.DEVLD
Operand
Description
Range
Data type
Data type (label)
(s)
Read offset of device data storage file (specified in units of
16-bit words)
0 to 524287
32-bit unsigned binary
ANY32
(d)
Device for storing the data that has been read
Word
ANY16
(n)
Number of read points
1 to 65535
16-bit unsigned binary
ANY16
EN
Execution condition
Bit
BOOL
ENO
Execution result
Bit
BOOL
Operand
Bit
Word
Double word Indirect
specification
Constant
Others
X, Y, M, L,
SM, F, B, SB,
FX, FY
J
\
T, ST, C, D, W,
SD, SW, FD, R,
ZR, RD
U
\G
, J
\
,
U3E
\(H)G
Z
LT, LST,
LC
LZ
K, H E
$
(s)
(d)
(n)
RnCPU RnENCPU
RnSFCPU RnSFCPU
RnPCPU
RnPCPU
(Standard)
(Safety)
(Redundant)
(Process)
(s)
(d)
(n)
EN
ENO
s
d
n
Summary of Contents for MELSEC iQ-R Series
Page 1: ...MELSEC iQ R Programming Manual Instructions Standard Functions Function Blocks ...
Page 2: ......
Page 24: ...22 INDEX 2092 INSTRUCTION INDEX 2093 REVISIONS 2104 WARRANTY 2105 TRADEMARKS 2106 ...
Page 34: ...32 MEMO ...
Page 35: ...33 PART 1 PART 1 OVERVIEW This part consists of the following chapter 1 OVERVIEW ...
Page 68: ...66 1 OVERVIEW 1 5 Precautions on Programming MEMO ...
Page 1448: ...1446 14 REDUNDANT SYSTEM INSTRUCTIONS 14 2 Disabling Enabling System Switching MEMO ...
Page 1972: ...1970 33 TIME DATA TYPE FUNCTIONS 33 4 Division MEMO ...
Page 2067: ...APPX Appendix 5 PID Control Program Examples 2065 A 252 Set PID control data for loop 2 ...
Page 2109: ......