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.
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)
240BH
C0FEH
D3, D2, D1, D0
b48
b32
(d)
b31
b16
0000H
4000H
b15
b0
b31
b16
(-123456.7)
205AH
C71FH
b15
b0
D101, D100
∙∙∙
∙∙∙
∙∙∙
∙∙∙
∙∙∙
∙∙∙
SM402
(s)
(d)
M0
EDMOVP E-123456.7
D0
DBL2FLT
D0
D100
Summary of Contents for MELSEC iQ-R Series
Page 1: ...MELSEC iQ R Programming Manual Instructions Standard Functions Function Blocks ...
Page 2: ......
Page 24: ...22 INDEX 2092 INSTRUCTION INDEX 2093 REVISIONS 2104 WARRANTY 2105 TRADEMARKS 2106 ...
Page 34: ...32 MEMO ...
Page 35: ...33 PART 1 PART 1 OVERVIEW This part consists of the following chapter 1 OVERVIEW ...
Page 68: ...66 1 OVERVIEW 1 5 Precautions on Programming MEMO ...
Page 1448: ...1446 14 REDUNDANT SYSTEM INSTRUCTIONS 14 2 Disabling Enabling System Switching MEMO ...
Page 1972: ...1970 33 TIME DATA TYPE FUNCTIONS 33 4 Division MEMO ...
Page 2067: ...APPX Appendix 5 PID Control Program Examples 2065 A 252 Set PID control data for loop 2 ...
Page 2109: ......