Mitsubishi Electric MELSEC iQ-R Series - Page 752

750
7 APPLICATION INSTRUCTIONS
7.9 Real Number Instructions
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).
• 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
(SD0)
Description
3402H The value input to (s) is -0, a subnormal number, NaN (not a number), or .
3403H The data output from (d) exceeds the following range. (An overflow has occurred.)
|(d)|<2
128
(s)
b63 b49
(-123456.7)
240BHC0FEHD3, D2, D1, D0
b48 b32
(d)
b31 b16
0000H4000H
b15 b0
b31 b16
(-123456.7)
205AH
C71FH
b15 b0
D101, D100
     
SM402
(s) (d)
M0
EDMOVP E-123456.7 D0
DBL2FLT D0 D100