Delta AS Series Programming Manual page 835

AS Ser ies Pro gra mm in g M anu al
API Instruction code
1504
Device X

S
D
Data
type
S
D
Symbol
Explanation
1. This instruction finds the arccosine of the value in S and stores it in D. Arccosine value=cos
The following graph shows the relation between cosine and arccosine values.
_6
2. If the absolute value of the conversion result is larger than the value that can be represented by the maximum
floating-point number, SM602 is ON.
3. If the absolute value of the conversion result is less than the value that can be represented by the minimum
floating-point number, SM601 is ON.
4. If the conversion result is zero, SM600 is ON.
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FACOS P
Y M S T C
  
  
Operand
S, D
HC D FR SM
  
 
Pulse instruction
AS
S ： Source value
D ： Arccosine value
Function
Arccosine of a floating-point number
SR E K 16#




16-bit instruction 32-bit instruction
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-1
"$" F

AS