Lenze EVS9332xP Manual do Utilizador descarregar pdf (Página 271)

100

101

Function library

Function blocks

3.5.53 Phase integrator (PHINT)

3−243

EDSVS9332P−EXT DE 2.0

3.5.53.2 Scaling of PHINTx−OUT

Mathematic description of PHINTx−OUT:

PHINTx–OUT[inc] + PHINTx–IN[rpm] @ t[s] @ 65536[incńUmdr.]

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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