818
7 APPLICATION INSTRUCTIONS
7.9 Real Number Instructions
• These instructions calculate the square root of the value specified by (s), and store the operation result in the device
specified by (d).
• The value specified by (s) must be positive. (No negative value can be calculated.)
• 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
Error code
(SD0)
Description
3402H The value input to (s) is -0, a subnormal number, NaN (not a number), or .
3405H The value in the device specified by (s) is a negative number.
(s)(s)+3 (s)+1(s)+2
(d)(d)+3 (d)+1(d)+2
Double-precision real number Double-precision real number
To Next Page
Loading...
