High
−
level Instructions
3
−
694
Specifying the integer device with [D], the real numbers are automatically converted into integer data.
F315 COS, DT 0, % DT 4
R0
When the constant K is specified in S, the operations are the same as when a integer device is specified.
Program example
The “f0.7071068” is stored to DT20 and DT21 when the R0 turns on.
F315 COS, f0.7853981, DT20
R0
Radians of 45
°
Precautions during programming
The accuracy of the calculation decreases as the absolute value of the angle data specified in S and S+1
increases. We recommend that angle data be set within the following range:
−
2
π
(radians)
[S+1, S]
2
π
(radians)
For FP0, this instruction
F315 (COS)
cannot be programmed in the interrupt program.
Flag conditions
・
Error flag (R9007): Turns on and stays on when:
・
Error flag (R9008): Turns on for an instant when:
−
The area specified using the index modifier exceeds the limit.
−
If data other than real number data is specified in S+1 and S.
−
If result of processing is outside integer range when integer device is
specified in D+1 and D.
−
Absolute value of S+1 and S is 52707176 or greater.
・
Carry flag (R9009): Turns on for an instant when the result is overflowed.
・
= flag (R900B):
Turns on when result of processing is recognized as “0.”
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Summary of Contents for FP-X
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