Polynomial Coefficients, Parameters ($Ac_Fct - Siemens SINUMERIK 828D Function Manual

Detailed description
2.3 System variables for synchronized actions
References
For a detailed description of the function, refer to:
Function Manual, Special Functions, Section "Path length evaluation (W6)"
2.3.16

Polynomial coefficients, parameters ($AC_FCT ...)

Function
Polynomials up to the 3rd degree can be defined via the FCTDEF function:
f(x) = a
Note
The definition must be made in a part program.
Syntax
FCTDEF(<Poly_No>,<Lo_Limit>,<Up_Limit>,a
Meaning
Parameter
<Poly_No>
<Lo_Limit>
<Up_Limit>
a0, a1, a2, a3
Note
Polynomial coefficients (a
FCTDEF(...)
42
+ a x + a x + a x
2 3
0 1* 2* 3*
:
:
:
:
, a
2 3
function.
0 ,a 1 ,a 2 ,a
Meaning
Number of the polynomial function
Lower limit of the function values
Upper limit of the function values
Polynomial coefficient
) that are not required can be omitted when programming the
3 )
Function Manual, 07/2012, 6FC5397-5BP40-3BA0
Synchronized actions