Iii-1.5 scal ( scaling (no. 09)) 93, Iii-1.6 10exp (10s exponent (no. 10)) 93, 10exp 93 – West Control Solutions KS98-1 User Manual
Page 93: 10s exponent 93, Exponent (10s) 93, Scal 93, Scaling 93, Iii-1.5 scal ( scaling (no. 09)) y a x a, Example: y x x x
III-1.5
SCAL ( scaling (No. 09))
y
a x
a
Exp
1
1
0
= × +
(
)
Input variable
x1 is multiplied by factor a and added to constant a0.
The result (
a w x1 + a0) is set to the power Exp.
If
x1 is not used, this is interpreted as x1=0. With Exp = 0 SCAL outputs 1.
Parameter
Description
Range
Default
a
Multiplication factor
-29 999...999 999
1
a0
Offset
-29 999...999 999
0
Exp
Exponent
-7...7
1
Example:
y
x
x
x
1
1
2
3
1
1
0,6
2
3
=
= =
+
This function block should be used only, if the exponential function is needed. Factor a and the offset a0 are also avai -
lable with functions that need less calculating time (e.g. ADSU, MUDI, ABSV).
III-1.6
10EXP (10s exponent (No. 10))
y
x
1
1
10
=
Input value
x1 is calculated according to formula y
x
1
1
10
=
and output at the
y1 output.
An unwired
x1 is interpreted as x1 = 0 (in this case y1 is 1).
If the value at input
x1 is higher than 36,7, an overflow may occur. In this case, output y1 is set to 1.5
w
10
37
rather
than forming the power.
g
Note:
10EXP is the reversal function of function LG10.
9499-040-82711
Scaling and calculating functions
SCAL ( scaling (No. 09))
III-93
x1
y1
a0
a
Exp
EXP
x1
y1
10
x1