Yokogawa PC-Based MX100 - Manual (Page 51)

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IM MX180-01E
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App
Index
Arthmetc Functons
Below are the arithmetic functions that are available. They are not case-sensitive.
Functon Descrpton Example
sin(<value>) Returns the sine of the <value> sin(ch("TagNo.00001"))
cos(<value>) Returns the cosine of the <value> cos(ch("TagNo.00001"))
tan(<value>) Returns the tangent of the <value> tan(ch("TagNo.00001"))
asin(<value>) Inverse sine asin(ch("TagNo.00001"))
acos(<value>) Inverse cosine acos(ch("TagNo.00001"))
sinh(<value>) Hyperbolic sine sinh(ch("TagNo.00001"))
cosh(<value>) Hyperbolic cosine cosh(ch("TagNo.00001"))
tanh(<value>) Hyperbolic tangent tanh(ch("TagNo.00001"))
pow(<value 1>, <value 2>) <value 1> to the power of <value 2> pow(ch(1),ch(2))
sqrt(<value>) Square root sqrt(ch(1))
logE(<value>) Natural logarithm logE(ch(1))
log10(<value>) Common logarithm log10(ch(1))
expE(<value>) e to the power of <value> expE(ch(1))
exp10(<value>) 10 to the power of <value> exp10(ch(1))
abs(<value>) Absolute value abs(ch(1))
max(<value>,......,<value>) Maximum value among multiple max(ch(1),ch(2),ch(3))
specified values
min(<value>,...,<value>) Minimum value among multiple min(ch(1),ch(2),ch(3))
specified values
pp(<value>,...,<value>) (Maximum – minimum) among multiple pp(ch(1),ch(2),ch(3))
specified values
sum(<value>,...,<value>) Sum of multiple specified values sum(ch(1),ch(2),ch(3))
ave(<value>,...,<value>) Average of multiple specified values ave(ch(1),ch(2),ch(3))
poly(<x>,<a0>,<a1>,...,<an>) Polynomial with variable parameters poly(ch(1),ch(2),ch(3))
Calculates a0xn+a1xn–1+...+anx0
ceil(<value>) Returns the minimum integer greater ceil(ch(1))
than <value>
floor(<value>) Returns the maximum integer less floor(ch(1))
than <value>
limit(<x>,<a>,) If x is outside the range defined by a and b, limit(ch(1),10,20)
round the value to a or b.
rnd() Returns a random number between 0 and 1 ch(1)*rnd()
IsNaN(<value>) Returns 1 if \value is NaN or 0 if it is not. IsNaN(ch(1))
2.5 Settng Computatons (Settng the Computaton Channels)