Lenze E94A Manuale Utente Scaricare il pdf (Pagina 522)

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5 Function blocks

5.139 L_SdSpeedFilter - speed signal delay

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Lenze · 9400 function library · Reference manual · DMS 6.7 EN · 08/2014 · TD05

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5.139 L_SdSpeedFilter - speed signal delay

This FB is used to filter or delay a speed signal according to the PT1 principle. The resulting position

loss is compensated by an internal overflow buffer.

Inputs

Outputs

Function library: LenzeServoDrive

Runtime software licence:  Motion Control HighLevel  Motion Control TopLevel

Identifier/data type Information/possible settings

dnSpeedIn_s

DINT

Speed selection in [rpm]

• 15000 rpm ≡ 2

≡ 67108864

bEnable

BOOL

Activate filter function

FALSE Filter is deactivated.

• Use these settings during the acceleration and deceleration pha-

ses to prevent a drifting of the position.

TRUE Filter is activated.

AxisData Machine parameters

• For accepting the machine parameters of the drive/motor, connect this input

with the output DI_AxisData of the SB LS_DriveInterface.

• The machine parameters of a master drive can be displayed with the

FB L_SdSetAxisData

. In this case, the FB output AxisData must be connected to

this input. ( 510)

Identifier/data type Value/meaning

dnSpeedOut_s

DINT

Filtered speed in [rpm]

bLimitActive

BOOL

Status signal "Overflow/underflow"

TRUE An overflow/underflow has occurred.

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