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6. Mathematics
With the Math option the following Math functions are available in the Channel mode of
configuration. The equation is used to produce derived variable by using measured data or
computed data as variable. The result of Math can be displayed and stored. The Math
expression / equation can be keyed in maximum 36 characters.
6.1 Math Expressions and an example
Expressions on recorder Mathematics Functions
+ Addition
-
Subtraction
* Multiplication
/ Division
SIN(x) sin(x)
COS(x) cos(x)
EXP(x) e
x
SQRT(x) Square root of x
LN(x) log
e
(x)
TG(x) tan(x)
CTG(x) 1/tan(x)
ASIN(x) Sin
-1
(x)
ACOS(x) Cos
-1
(x)
ATG(x) Tan
-1
(x)
LOG(x) log
10
(x)
ABS(x) Absolute of x
SQ(x) x
2
ROUND(x) The closest integral number to x
HI(x,y) The bigger value between x and y
LO(x,y) The smaller value between x and y
INV(x) 1/x
PCT(x,Hi,Lo) PCT % = x / Hi-Lo, x: Target Value, Hi: High Value, Lo: Low Value
x%y Remainder of x/y
x^y x
y
Note:
▲ To add the option of Math, Counter & Totalizer on recorder, it is necessary to order a
Boot ROM with this option. Then, open the housing and replace the Boot ROM.