Chapter 16 PLC Function ApplicationsMS300 (High Speed Model)
16-74
API
ESQR
Binary floating point number find square root
127
D P
Bit device Word device
16-bit command
－ － － －
32-bit command (9 STEP)
DESQR Continuous
execution type
DESQR
P
Pulse
execution type
Flag signal: none
X Y M K H KnX KnY KnM T C D
S
＊ ＊
＊
D
＊
Notes on operand usage:
Please refer to the function specifications table for each device in
series for the scope of device usage
S: source device for which square root is desired D: result of finding square
root.
When the square root is taken of the content of the register designated by
S, the result is temporarily stored in the register designated by D. Taking
square roots is performed entirely using binary floating-point numbers.
If the source operand S refers to a constant K or H, the command will
transform that constant into a binary floating point number for use in the
operation.
When X0=On, the square root is taken of the binary floating point number (D1,
D0), and the result is stored in the register designated by (D11, D10).
X0
DESQR D0 D10
(D1, D0)
(D11, D10)
Binary floating
oint
Binary floating
point
When X2 =On, the square root is taken of K1,234 (which has been automatically
converted to a binary floating-point number), and the results stored in (D11,
D10).
X2
DESQR K1234 D10
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