User guide

Lenze · 9400 function library · Reference manual · DMS 6.7 EN · 08/2014 · TD05 539
5 Function blocks
5.146 L_SdUnitToSpeed - speed conversion
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5.146 L_SdUnitToSpeed - speed conversion
This FB uses the transmitted machine parameters and converts a speed defined in the real unit of
the machine into an internal speed.
Inputs
Outputs
Parameter
Function library: LenzeServoDrive
Runtime software licence:  Motion Control HighLevel  Motion Control TopLevel
Identifier/data type Information/possible settings
dnSpeedIn_e4
DINT
Speed in [unit/s]
• Selection in "e4" format (fixed point with four decimal positions)
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
Speed given in [rpm]
• 15000 rpm ≡ 2
26
≡ 67108864
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
C04314 String from AxisData Speed unit
•Read only
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