Yokogawa PC-Based MX100 - Manual (Page 51)

2-37
IM MX180-01E
Integrat
on Mon
tor
3
2
1
4
5
App
Index
Arthmetc Functons
Below are the arithmetic functions that are available. They are not case-sensitive.
Functon Descrpton Example
sin() Returns the sine of the sin(ch("TagNo.00001"))
cos() Returns the cosine of the cos(ch("TagNo.00001"))
tan() Returns the tangent of the tan(ch("TagNo.00001"))
asin() Inverse sine asin(ch("TagNo.00001"))
acos() Inverse cosine acos(ch("TagNo.00001"))
sinh() Hyperbolic sine sinh(ch("TagNo.00001"))
cosh() Hyperbolic cosine cosh(ch("TagNo.00001"))
tanh() Hyperbolic tangent tanh(ch("TagNo.00001"))
pow(, ) to the power of pow(ch(1),ch(2))
sqrt() Square root sqrt(ch(1))
logE() Natural logarithm logE(ch(1))
log10() Common logarithm log10(ch(1))
expE() e to the power of expE(ch(1))
exp10() 10 to the power of exp10(ch(1))
abs() Absolute value abs(ch(1))
max(,......,) Maximum value among multiple max(ch(1),ch(2),ch(3))
specified values
min(,...,) Minimum value among multiple min(ch(1),ch(2),ch(3))
specified values
pp(,...,) (Maximum – minimum) among multiple pp(ch(1),ch(2),ch(3))
specified values
sum(,...,) Sum of multiple specified values sum(ch(1),ch(2),ch(3))
ave(,...,) Average of multiple specified values ave(ch(1),ch(2),ch(3))
poly(,,,...,) Polynomial with variable parameters poly(ch(1),ch(2),ch(3))
Calculates a0xn+a1xn–1+...+anx0
ceil() Returns the minimum integer greater ceil(ch(1))
than
floor() Returns the maximum integer less floor(ch(1))
than
limit(,,) 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() Returns 1 if \value is NaN or 0 if it is not. IsNaN(ch(1))
2.5 Settng Computatons (Settng the Computaton Channels)