Lenze EMF2113IB Manual do Utilizador descarregar pdf (Página 95)

Data transfer

DRIVECOM profile parameters

Feldbus-Baugruppe 2113 INTERBUS

7.6

7.6.7

7.6-44

EDSIBS-1.0-06/2003

7.6.7.7 Ramps

The DRIVECOM profile 21 provides two ramps for the speed setpoint:

l The absolute ramp is determined by the following ramp gradient:

dê~ÇáÉåí =

aÉäí~|ëéÉÉÇ

aÉäí~|íáãÉ

The absolute ramps in the DRIVECOM profile 21 are ”acceleration”,

”deceleration” and ”quick stop”.

l The relative ramp is determined by the following ramp gradient:

dê~ÇáÉåí =

péÉÉÇ êÉÑÉêÉåÅÉ î~äìÉ

aÉäí~|íáãÉ

This definition corresponds to the Lenze ramp functions L-C0012 and L-C0013.

The relative ramps in the DRIVECOM profile 21 are ”acceleration time”,

”deceleration time” and ”quick-stop time”.

The ”ramp-min function” determines and activates the slower ramp. The absolute

ramps are deactivated in Lenze setting.

This parameter contains data of the absolute speed ramp for acceleration.

Ramp gradient:

Gradient =

Delta_speed

Delta_time

The parameter is mapped to the Lenze acceleration ramp (L-C0012) via the

”ramp-min-function”.

”Delta_time“ = 0: Ramp is switched off.

Parameter name (Index) Subindex Data structure Data typ e Value range

Speed acceleration (6048

hex

)

1 RS (21

hex

) U32 0 to 4294967295

0: Delta_speed [rev/min]

2 RS (21

hex

) U16 0 to 65535

0 (ramp is switched off):

Delta_time [sec]

The ”ramp-min function” determines and activates the slower ramp. The absolute

ramps are deactivated in Lenze setting.

Speed ramps fro acceleration

(6048

hex

)

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