File Register Read/Write Instructions; Reading 1-Byte Data From The File Register - Mitsubishi Electric MELSEC iQ-R Series Programming Manual

7.23

File Register Read/Write Instructions

Reading 1-byte data from the file register

ZRRDB(P)
RnPCPU RnPCPU
RnCPU RnENCPU
(Process) (Redundant)
These instructions read the data from the file register with the specified serial byte number.
Ladder
(s) (d)
FBD/LD
EN ENO
s d
■Execution condition
Instruction
ZRRDB
ZRRDBP
Setting data
■Descriptions, ranges, and data types
Operand Description
(s) Serial byte number of the file register to be read
(d) Start number of the device for storing the data that has
been read
EN Execution condition
ENO Execution result
■Applicable devices
Operand Bit
X, Y, M, L, J\
SM, F, B, SB,
FX, FY
(s)  
 
(d)
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:=ZRRDB(EN,s,d);
ENO:=ZRRDBP(EN,s,d);
Range Data type
0 to 4294967295 32-bit unsigned binary
 16-bit signed binary

Bit
 Bit
Double word Indirect
Z LT, LST, LZ
LC
  
  
7 APPLICATION INSTRUCTIONS
7.23 File Register Read/Write Instructions
Data type (label)
ANY32
ANY16
BOOL
BOOL
Constant Others
specification
K, H E $
    
    
7
995