User guide

Lenze · 9400 function library · Reference manual · DMS 6.7 EN · 08/2014 · TD05 531
5 Function blocks
5.141 L_SdSpeedToUnit - speed conversion
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5.141 L_SdSpeedToUnit - speed conversion
This FB uses the transmitted machine parameters and converts a speed value defined in the internal
unit [rpm] into a speed value in the real unit of the machine.
Inputs
Outputs
Parameter
Function library: LenzeServoDrive
Runtime software licence:  Motion Control HighLevel  Motion Control TopLevel
Identifier/data type Information/possible settings
dnSpeedIn_s
DINT
Speed given in [rpm]
• 15000 rpm ≡ 2
26
≡ 67108864
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_e4
DINT
Speed in [unit/s]
• Output in "e4" format (fixed point with four decimal positions)
bLimit
BOOL
Status "Output signal is limited"
TRUE The output signal is limited to the value range that can be displayed.
Parameter Possible settings Information
C04316 String from AxisData Speed unit
•Read only
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