42
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
POW (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.
An example of Math
Three AI analog inputs and one Math channel. Set up a Math channel after setting up three
analog inputs. In Channel mode as 4.1 Channel, press Math key to get into Math channel.
Summary of Contents for WH18/06
Page 1: ...User Manual Paperless Recorder WH18 06 15th Edition 03 2008 ...
Page 17: ...17 Figure 2 6 Figure 2 7 Figure 2 8 ...
Page 19: ...19 Figure 2 10 Figure 2 11 ...
Page 25: ...25 Digital input card DI181 Figure 2 21 Analog output card AO183I AO183V Figure 2 22 ...
Page 27: ...27 Figure 2 25 Figure 2 26 ...
Page 70: ...70 Make sure that RS 232 communication setting at the recorder and PC are equal ...
Page 87: ...87 7 Trouble shooting ...
Page 88: ...88 ...
Page 89: ...89 ...
Page 90: ...90 ...
