DEL – Delay with initialization

Block SymbolLicensing group: STANDARD

Function Description
The DEL block implements a delay of the input signal u. The signal is shifted n samples backwards, i.e.

y_{k} = u_{k - n} .

If the last n samples are not yet known, the output is set to

y_{k} = y_{0},

where $y_{0}$ is the initialization input signal. This can happen after restarting the control system or after resetting the block (R1: off $\to$ on $\to$ off) and it is indicated by the output $RDY = off$ .

Inputs

u	Analog input of the block	Double (F64)
R1	Block reset	Bool
y0	Initial output value	Double (F64)

Outputs

y	Delayed input signal	Double (F64)
RDY	Ready flag indicating that the buffer is filled with the input signal samples	Bool

Parameter

n	Delay (number of samples). The resulting time delay is $n \cdot T_{S}$ , where $T_{S}$ is the block execution period. $↓$ 0 $↑$ 10000000 $⊙$ 10	Long (I32)
nmax	Limit for parameter n (used for internal memory allocation) $↓$ 10 $↑$ 10000000 $⊙$ 100	Long (I32)

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