Mitsubishi Electric MELSEC iQ-R Series, Programming Manual

Page: 761 / 2110

7 APPLICATION INSTRUCTIONS
7.9 Real Number Instructions
759
7
Converting single-precision real number to double-precision real
number
FLT2DBL(P)
These instructions convert a single-precision real number to a double-precision real number.
*1 The engineering tool with version "1.035M" or later supports the ST.
■ Execution condition
Setting data
■
Description, range, data type
■
Applicable devices
Processing details
These instructions convert the single-precision real number in the device specified by (s) to a double-precision real number,
and store the double-precision real number in the device specified by (d).
Ladder ST
*1
ENO:=FLT2DBL(EN,s,d);
ENO:=FLT2DBLP(EN,s,d);
FBD/LD
Instruction Execution condition
FLT2DBL
FLT2DBLP
Operand Description Range Data type Data type (label)
(s) Integral data to be converted to a single-precision real
number, or the start device containing integral data 0, 2
-126

|(s)|<2
128
Single-precision real
number ANYREAL_32
(d) Start device for storing the converted double-precision real
number  Double-precision real
number ANYREAL_64
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
SM402
(s) (d)
M0
EMOVP E123456.7 D0
FLT2DBL D0 D100
(s)
b63 b49
(123456.7)
240BH 40FEH D103, D102, D101, D100
b48 b32
(d)
b31 b16
0000H 4000H
b15 b0 b31 b16
(123456.7)
205AH 471FH
b15 b0
D1, D0
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