Cmd4-Conversion Equation Setup - Texas Instruments CBL Manual Book

CMD4—Conversion Equation Setup
CMD4 Syntax and Parameters
{4,equation_number,equation_type,equation_order,constant,
units_display}
Equation # Equation Type
0 = 0= Clear specific equation
Clear all
1= polynomial
equations
2= mixed polynomial
1–4 = 3= power
Equation 4= mod. power
number 5= logarithmic
6= mod. logarithmic
7= exponential
8= mod. exponential
9= geometric
10= mod. geometric
11= reciprocal logarithmic
12= Steinhart-Hart model
Equation Type
1 Polynomial (order:
n=1-9)
2 Mixed polynomial
(order: m=0-4, n=0-4,
m+n>0)
3 Power
4 Modified power
5 Logarithmic
6 Modified logarithmic
7 Exponential
8 Modified exponential
9 Geometric
10 Modified geometric
11 Reciprocal logarithmic
12 Steinhart-Hart model
* No restrictions other than overflow.
Equation Order
integers (m,n): 0,1,
or 2 integers
per model
*Only applies to
equation types 1
and 2; this field
omitted for
equation types
3–12.
Equation Form
2
K + K X + K X +...+ K
0 1 2
-m
K X +...+ K X
-m -
1
n
K X
n
(K 1 )
K X
0
(X)
K K
0 1
K + K ln(X)
0 1
K + K ln(1/X)
0 1
(K 1 X)
K e
0
)
(K 1 /X
K e
0
(K 1 X)
K X
0
(K 1 /X)
K X
0
L1
[K + K ln(K X)]
0 1 2
[K + K (ln 1000X)+K
0 1
Constants
real
K ...K
0 n
(type 1)
K ...K
-m n
(type 2)
n
X
n
-1
+ K + K X +...+
0 1
3
(ln 1000X) ]
2
CBLé System Guidebook
Units Display
0= None
1= °F
2= °C
3= K
Restrictions
*
Xƒ0
X>0
‚ 0
K
1
X>0
X>0
*
Xƒ0
X‚0
X>0
K X>0
2
L1
X>0
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