Lenze EVS9332xK Manual do Utilizador descarregar pdf (Página 284)

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101

Function library

Function blocks

3.2.79 Position memory (PSAVE)

3−256

EDSVS9332K−EXT EN 4.0

3.2.79.2 Compare actual position with values stored

l PSAVE−ON = HIGH:

– The inputs PSAVE−MPOS and PSAVE−ACTPOS are compared with the stored values. The

deviations are output at PSAVE−M−DIFF or PSAVE−ACT−DIFF.

PSAVE−M−DIFF + stored value *

{

PSAVE−MPOS

}

PSAVE−ACT−DIFF + stored value *

{

PSAVE−ACTPOS

}

– The evaluation of one of the channels can be suppressed by means of a code. In this case,

PSAVE−DIFF = 0

l PSAVE−ON = LOW:

– The outputs PSAVE−DIFF = 0.

3.2.79.3 Output of status signals

The digital outputs are set according to the difference calculated (PSAVE−DIFF) if PSAVE−ON = HIGH.

l A hysteresis can be set via code:

– for MPOS C1430/1 in m−units

– for ACTPOS C1430/2 in s−units

l As long as −DIFF < ±C1430/x:

– −M−HI = LOW

– −M−LO = LOW

– ACT−HI = LOW

– ACT−LO = LOW

l If −DIFF pos. and > +C1430/x

– −M−LO = HIGH and/or

– ACT−LO = HIGH

l If −DIFF neg. and < −C1430/x

– −M−HI = HIGH and/or

– ACT−HI = HIGH

l If one channel is suppressed through code C1431, the outputs of the corresponding channel

are set to LOW.

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