Mitsubishi Electric MELSEC iQ-R Series Programming Manual page 752

Processing details
• These instructions convert the double-precision real number in the device specified by (s) to a single-precision real number,
and store the real number in the device specified by (d).
SM402
M0
• When an input value is set using the engineering tool, a rounding error may occur. Refer to the following for the precautions
on setting input values using the engineering tool.
Page 49 Precautions
Operation error
Error code Description
(SD0)
The value input to (s) is -0, a subnormal number, NaN (not a number), or .
3402H
3403H The data output from (d) exceeds the following range. (An overflow has occurred.)
|(d)|<2
7 APPLICATION INSTRUCTIONS
750
7.9 Real Number Instructions
EDMOVP E-123456.7 D0
(s) (d)
DBL2FLT D0 D100
128
(s)
b63 ∙∙∙ b49 b48 ∙∙∙ b32
D3, D2, D1, D0 C0FEH 240BH
(-123456.7)
(d)
b31 ∙∙∙ b16 b15 ∙∙∙ b0
4000H 0000H D101, D100
b31 ∙∙∙ b16 b15 ∙∙∙ b0
C71FH 205AH
(-123456.7)