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511
FX
3G
/FX
3U
/FX
3UC
Series Programmable Controllers
Programming Manual - Basic & Applied Instruction Edition
18 Floating Point – FNC110 to FNC139
18.4 FNC116 – ESTR / Floating Point to Character String Conversion
11
FNC3
0-F
NC3
9
R
otati
on and
Shif
t
12
FNC4
0-F
NC4
9
D
ata
O
per
ati
on
13
FN
C
50-FN
C
59
H
igh Speed
Pr
ocess
ing
14
FM
C
60-
FN
C
69
H
andy
In
st
ru
ct
ion
15
FNC7
0-F
N
C7
9
Ex
ter
nal
FX
I/O
D
evice
16
FN
C
80-FN
C
89
Ext
ernal FX
De
vic
e
17
FN
C
100-
FN
C
109
Da
ta
Transf
er 2
18
FN
C
110-
FN
C
139
Fl
oati
ng Poi
nt
19
FN
C
140
-F
N
C
14
9
Da
ta
O
per
ati
on 2
20
FN
C
150-
FN
C
159
Posit
ioning
C
ontr
ol
18.4
FNC116 – ESTR / Floating Point to Character String Conversion
Outline
This instruction converts binary floating point data into a character string (ASCII codes) having a specified
number of digits.
On the other hand, STR (FNC200) instruction converts binary data into a character string (ASCII codes).
→
For a character string, refer to Section 5.3.
→
For handling of floating point, refer to Subsection 5.1.3.
→
For STR (FNC200) instruction, refer to Section 26.1.
1. Instruction format
2. Set data
3. Applicable devices
Explanation of function and operation
1. 32-bit operation (DESTR and DESTRP)
The contents (binary floating point data) of [
+1,
] are converted into a character string according
to the contents specified by
,
+1 and
+2, and then stored to devices
and later. A real
number can be directly specified as
.
• The data after conversion varies depending on the display specification stored in
.
Operand Type
Description
Data Type
Binary floating point data to be converted or device storing data
Real number (binary)
Head device number storing the display specification of a numeric value to be
converted
16-bit binary
Head device number storing converted character string
Character string
Oper-
and
Type
Bit Devices
Word Devices
Others
System User
Digit Specification
System User
Special
Unit
Index
Con-
stant
Real
Number
Charac-
ter String
Pointer
X Y M T C S D
.b KnX KnY KnM KnS T C D R U
\G
V Z Modify K H
E
"
"
P
3 3
3
3
3
3
3
3
3
3 3 3 3
3
3
3
3
3
3 3 3 3
3
3
−
−
Mnemonic
Operation Condition
16-bit Instruction
DESTR
DESTRP
Mnemonic
Operation Condition
32-bit Instruction
13 steps
Continuous
Operation
Pulse (Single)
Operation
P
FNC 116
ESTR
D
S
1
S
2
D
S
1
S
2
D
S
1
S
1
S
2
S
2
S
2
D
S
1
Command
input
FNC116
DESTR
S
1
S
2
D
S
2
0: Decimal point
format
1: Exponent
format
Total number of
digits
Number of digits
of decimal part
2 to 24 can be set.
The data after conversion varies
depending on the display
specification stored in .
+2
+1
S
2
S
2
S
2
S
2