Short description
The Max/Min function block records the maximum or minimum value.
The function of input En (Enable) depends on the settings of parameter Mode and the
selection of check box "when En = 0, reset Max/Min".
This input is enabled when you set Mode =2:
A positive transition (0 to 1) at input S1 sets the output AQ to the maximum value..
A negative transition (1 to 0) at input S1 sets the output AQ to the minimum value.
Input Ax is one of the following analog signals:
Analog Inputs
Analog Outputs
Analog flags
Block number of a function with analog output
Mode
Possible settings: 0, 1, 2, 3
Mode = 0: AQ = Min
Mode = 1: AQ = Max
Mode = 2 and S1= 0 (low): AQ = Min
Mode = 2 and S1= 1 (high): AQ = Max
Mode = 3 or a block value is referenced: AQ = Ax
AQ outputs a minimum, maximum, or actual value depending on the inputs, or is reset to
0 if configured to do so when function is disabled
Analog inputs: 0 to 10 V corresponds with 0 to 1000 (internal value).
Parameter Mode
You can set the values for parameter Mode based on the actual values of another already-programmed
function:
Analog comparator: Ax - Ay
Analog threshold trigger: Ax
Analog amplifier: Ax
Analog multiplexer: AQ
Analog ramp: AQ
Mathematic instruction: AQ
Up/Down counter: Cnt
Threshold trigger: Fre
Max/Min: Ax
PI controller: AQ
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