05.91 11 Programming of Cycles
11.9 Mathematical functions
@634 <Var> <Value>
The arc sine is formed from the value defined in <Value> and stored in <Var> as angle
value.
Example:
R35 = 0.70710678
@634 R17 R35 The arc sine of the contents of R35, the result (=45) is
entered/stored in R17.
@637 <Var> <Value 1> <Value 2>
The numerical values defined in <Value 1> and <Value 2> are considered as vector
components. The result is the angle between the components given in <Value 2> and
the resultant vector.
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Only one constant <Const> is allowed as operand for <Value1> and
<Value2> .
The other operand must be a variable <Var>
(R parameter or pointer).
Example:
R35 = 20 R36 = -30
@637 R17 R35 R36 The angle is formed from the vector components of the
contents of the parameters R35 and R36 and the result
(=146.30993) is entered/stored in R17.
Example for @637
R35 = <Value 1>
R17 = 146.30993
R36 = <Value 2>
© Siemens AG 1991 All Rights Reserved 6ZB5 410-0HD02 11–39
SINUMERIK 880, (PG)
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