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100

101

Function library

Function blocks

3.2.53 Phase integrator (PHINT)

3−155

EDSVS9332S−EXT EN 2.0

3.2.53.4 Scaling of PHINTx−OUT

Mathematical description of PHINTx−OUT:

PHINTx * OUT[inc] + PHINTx * IN[rpm] @ t[s] @ 65536[incńrev.]

t Integration time

Example:

You want to determine the count of the integrator with a certain speed at the input and a certain

integration time.

l Given values:

– PHINTx−IN = 1000 rpm

– t = 10 s

– Start value of the integrator = 0

l Solution:

– Conversion of PHINTx−IN:

1000rpm +

1000rev.

60s

– Calculation of PHINTx−OUT:

PHINTx * OUT +

1000rev.

60s

 @10s@

65536inc

rev.

 + 10922666inc

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Lenze EVS9332xS Manuale Utente Pagina 207

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