Detect Fall Nonpositive
Detection of a falling edge provided that the signal value decreases to a non-positive value and its previous value was strictly positive.
blockType: Detect Fall Nonpositive
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Description
The Detect Fall Nonpositive block determines that the current value of the input signal is less than or equal to zero and its previous value was greater than zero.
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The output signal takes the value
true (1)when the input signal value is less than or equal to zero and its previous value was greater than zero. -
The output signal takes the value
false (0)when the value of the input signal is greater than zero, or when it is non-positive and its previous value was also non-positive.
This block can only be used with discrete solvers.
Ports
Input
Port_1 - input signal
scalar | vector | matrix
Input signal as a scalar, vector or matrix.
Data types: Float16, Float32, Float64, Int8, Int16, Int32, Int64, UInt8, UInt16, UInt32, UInt64, Bool.
Output
Port_1 - output signal
scalar | vector | matrix
An output signal that detects a falling edge. The output can be a scalar, vector or matrix.
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The output signal takes the value
true (1)when the value of the input signal is less than or equal to zero and its previous value was greater than zero. -
The output signal takes the value
false (0)when the value of the input signal is greater than zero, or when it is non-positive and its previous value was also non-positive.
Data types: Bool, UInt8.
Parameters
Initial condition - initial value of input signal
0 (by default) | scalar | vector | matrix
Sets the initial value of the input signal.
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Output data type - output data type
bool (by default) | UInt8
Set the output data type to Bool or UInt8.
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By default |
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