7 APPLICATION INSTRUCTIONS
7.23 File Register Read/Write Instructions
995
7
7.23
File Register Read/Write Instructions
Reading 1-byte data from the file register
ZRRDB(P)
These instructions read the data from the file register with the specified serial byte number.
■
Execution condition
Setting data
■
Descriptions, ranges, and data types
■
Applicable devices
Ladder
ST
ENO:=ZRRDB(EN,s,d);
ENO:=ZRRDBP(EN,s,d);
FBD/LD
Instruction
Execution condition
ZRRDB
ZRRDBP
Operand
Description
Range
Data type
Data type (label)
(s)
Serial byte number of the file register to be read
0 to 4294967295
32-bit unsigned binary
ANY32
(d)
Start number of the device for storing the data that has
been read
16-bit signed 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)
RnCPU RnENCPU
RnSFCPU RnSFCPU
RnPCPU
RnPCPU
(Standard)
(Safety)
(Redundant)
(Process)
(s)
(d)
EN
ENO
d
s
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: ......