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Math Module

The Math Module utilizes a graphical interface for configuration of user specific math functions. These math functions can be applied to active channels collected from any 7700 series signal conditioner.  Examples of the utility of the Math Module would include subtraction of two separate pressure channels, integration of bio-potentials, as well as statistical calculations. 

Features
  •  Numerous, predefined math functions available
  •  Can use output from any 7700 series signal conditioner
  •  Ability to combine functions to create your own equations
  •  Up to 16 channels can be used for real-time math functions
  •  Graphical User Interface allows setup of mathematical formulas

 

Available Math Functions

(other functions are available)

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+
             
 Calculates the sum of two expressions.
-
             
 Calculates the difference between two expressions.
*
             
 Calculates the product of two expressions.
/
             
 Calculates the ratio of two expressions.
^

 		 Calculates x to the y power, where x is expression1 and y is expression2.
abs
 		 Returns the positive value of the signal independent of polarity.
avg
 
 This function performs a single-pole, low pass RC filter to average the input.
diff
 
 The differentiation function continuously calculates the slope of the input. 
exp
 		 Calculates the exponential function of an expression.
int
 		 Integration computes the "area under the curve" until reset.
intp

 		 This function integrates the input and resets the result to zero when the input crosses zero.
ln
 		 Calculates the natural logarithm of a positive expression.
log
 		 Calculates the logarithm (base 10) of a positive expression.
max

 		 For each sample, it returns the maximum value that was sampled in the min/max pair over the samples set.
min

 		 For each sample, it returns the minimum value that was sampled in the min/max pair over the samples set.
neg
 		 The result of this function is the negative portion of the input.
pi

 		 This notation is used as shorthand for the expression 3.1415927.
pos
 		 The result of this function is the positive portion of the input.
sq

 		 Calculates the result of an expression raised to the second power.
sqrt
 		 Calculates the square root of a positive expression.