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139 l_sdspeedfilter - speed signal delay, L_sdspeedfilter, 5function blocks – Lenze E94A User Manual

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5

Function blocks

5.139

L_SdSpeedFilter - speed signal delay

522

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

26

≡ 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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