ControlMaster CM10, CM30 and CM50
Universal process controllers,
1
/8,
1
/4 and
1
/2 DIN 7 Advanced Level
84 IM/CM/S–EN Rev. R
…Functions / …Math Blocks
Equation Setup
Source 1 (2) The source of the first operand in the equation (any analog or digital signal or user-defined
constant).
Source 1(2) Constant
Sets the constant value to be used.
Note. Applicable only if Source 1 (2) is assigned to one of the Constants.
Operator 1 (3)
End
Add
Subtract
Multiply
Divide
Terminates the equation.
Standard arithmetic functions.
Low Select
High Select
Result is the lower of the 2 operands.
Result is the higher of the 2 operands.
Median
If Median operators are used the median value calculated is dependent on the number of
operands. The median value of 2 operands is their mean value.
The median value of 3 operands is the value of the middle operand when the operands are sorted
into ascending order. The median value of 4 operands is the mean value of the 2
nd
and 3
rd
operands when the 4 operands are sorted into ascending order.
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