Lenze DDS Function library Drive Bedienungsanleitung PDF herunterladen (Seite 41)

Function library LenzeDrive.lib

Digital signal processing

2.3.2 Delay (L_DIGDEL)

2−31

LenzeDrive.lib EN 1.7

2.3.2.2 Dropout delay

byFunction = 1

bIn_b

bOut_b

wDelayTime

Fig. 2−36 Dropout delay

Functional sequence

1. A FALSE−TRUE transition at nIn_b switches bOut_b = TRUE and resets the timer element.

2. A TRUE−FALSE edge at nIn_b starts the timer element.

3. If the delay time has elapsed, that is set by wDelayTime has elapsed, bOut_b = FALSE,

immediately.

2.3.2.3 General delay

byFunction = 2

bIn_b

bOut_b

wDelay

Time

Fig. 2−37 General delay

Functional sequence

1. Any edge/transition at nIn_b resets the timer element, and starts it.

2. After the delay time, that is set by wDelayTime has elapsed, bOut_b = nIn_b.

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Lenze DDS Function library Drive Bedienungsanleitung Seite 41