Yokogawa PC-Based MX100 Bedienungsanleitung PDF herunterladen (Seite 51)

2-37

IM MX180-01E

Integration Monitor

App

Index

Arithmetic Functions

Below are the arithmetic functions that are available. They are not case-sensitive.

Function Description 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 Setting Computations (Setting the Computation Channels)

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