Processing details
• These instructions convert the double-precision real number in the device specified by (s) to 32-bit signed binary data, and
store the converted data in the device specified by (d).
• After conversion, the first digit after the decimal point of the double-precision real number is rounded off.
• When an input value is set using the engineering tool, a rounding error may occur. For the precautions on setting an input
value using the engineering tool, refer to the following.
Page 49 Precautions
The following program example converts, when M0 turns on, the double-precision real number stored in D0 to D3 to 32-bit
signed binary data, and stores the converted data in D100 and D101.
SM402
M0
Operation error
Error code
Description
(SD0)
3401H
The double-precision real number in the device specified by (s) is out of the range, -2147483648 to 2147483647.
3402H
An unusual number is set to (s).
• The double-precision real number set to (s) is not within the following range:
-1022
|(s)|<2
0, 2
• The value set to a device or label is -0, a subnormal number, NaN (not a number), or .
EDMOVP E-765432.1
D0
(s)
(s)
D3, D2, D1, D0
(d)
DBL2DINT
D0
D100
1024
b63 b49
∙∙∙
b48 b32
∙∙∙
b31 b16
∙∙∙
b15 b0
∙∙∙
C127H
5BF0H
3333H
3333H
(-765432.1)
6.6 Data Conversion Instructions
(d)
b31 b16
∙∙∙
b15 b0
∙∙∙
D101, D100
FFF4H
5208H
(-765432)
6 BASIC INSTRUCTIONS
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6