Module Access Instructions; Performing I/O Refresh - Mitsubishi Electric MELSEC iQ-R Series Programming Manual

7.27

Module Access Instructions

Performing I/O refresh

RFS(P)
RnPCPU RnPCPU
RnCPU RnENCPU
(Process) (Redundant)
These instructions refresh the n points of data from the specified device, and import external inputs or outputs data to the
output module.
Ladder
(s) (n)
FBD/LD
EN ENO
s
n
■Execution condition
Instruction
RFS
RFSP
Setting data
■Descriptions, ranges, and data types
Operand Description
(s) Start device to be refreshed
(n) Number of refreshed points
EN Execution condition
ENO Execution result
*1 Only labels assigned to devices (X, Y) can be used.
■Applicable devices
Operand Bit
X, Y, M, L, J\
SM, F, B, SB,
FX, FY
*1
 
(s)
 
(n)
*1 Only X and Y can be used.
RnSFCPU RnSFCPU
(Standard) (Safety)
Execution condition
Word
T, ST, C, D, W, U\G, J\,
SD, SW, FD, R, U3E\(H)G
ZR, RD
 
 
ST
ENO:=RFS(EN,s,n);
ENO:=RFSP(EN,s,n);
Range Data type

Bit
1 to 4096 16-bit unsigned binary

Bit
 Bit
Double word Indirect
Z LT, LST, LZ
LC
  
  
7 APPLICATION INSTRUCTIONS
Data type (label)
*1
ANY_BOOL
ANY16
BOOL
BOOL
Constant Others
specification
K, H E $
    
    
7.27 Module Access Instructions
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