Reading Data From The Data Memory - Mitsubishi Electric MELSEC iQ-R Series Programming Manual

Reading data from the data memory

S(P).DEVLD
RnPCPU
RnCPU RnENCPU
(Process)
These instructions read data from the device data storage file in data memory.
Ladder
(s)
FBD/LD
EN ENO
s d
n
■Execution condition
Instruction
S.DEVLD
SP.DEVLD
Setting data
■Descriptions, ranges, and data types
Operand Description
(s) Read offset of device data storage file (specified in units of
16-bit words)
(d) Device for storing the data that has been read
(n) Number of read points
EN Execution condition
ENO Execution result
*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
Operand Bit
X, Y, M, L,
SM, F, B, SB,
FX, FY

(s)

(d)
(n) 
7 APPLICATION INSTRUCTIONS
594
7.6 Reading/Writing Data Instructions
RnPCPU RnSFCPU RnSFCPU
(Redundant) (Standard) (Safety)
(d) (n)
Execution condition
Word
J\ T, ST, C, D, W,
SD, SW, FD, R,
ZR, RD
 
 
 
ST
ENO:=S_DEVLD(EN,s,n,d);
ENO:=SP_DEVLD(EN,s,n,d);
Range
0 to 524287

1 to 65535


Double word Indirect
U\G, J\, Z LT, LST,
U3E\(H)G LC
  
  
  
Data type Data type (label)
32-bit unsigned binary ANY32
Word ANY16
16-bit unsigned binary ANY16
Bit BOOL
Bit BOOL
Constant
specification
LZ K, H E
   
   
   
*1
Others
$
 
 
 