Mitsubishi Electric MELSEC iQ-R Series Programming Manual page 836

Processing details
• These instructions raises the double-precision real number specified by (s1) to the power of the double-precision real
number specified by (s2), and store the operation result in the device specified by (d).
(s2)+3
(s1)+3
(s1)+3
Double-precision real number
• The values that can be specified by (s1) and (s2) and the value that can be stored are 0, 2
1024
value)|<2 .
• If the operation result is -0 or an underflow occurs, the operation result turns out to 0.
• 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 (s1) or (s2) is -0, a subnormal number, NaN (not a number), or .
3402H
7 APPLICATION INSTRUCTIONS
834
7.9 Real Number Instructions
(s2)+2 (s2)+1 (s2)
(s1)+2 (s1)+1 (s1)
Base number
(s1)+2 (s1)+1 (s1)
Exponent
(d)+3
(s2)+3 (s2)+2
to the
Double-precision real number
(d)+2 (d)+1 (d)
(s2)+1 (s2)
th power
-1022
|setting value (stored