User guide

5 Function blocks
5.116 L_SdAccToUnit - acceleration conversion
452
Lenze · 9400 function library · Reference manual · DMS 6.7 EN · 08/2014 · TD05
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5.116 L_SdAccToUnit - acceleration conversion
This FB uses the transmitted machine parameters and converts an acceleration value defined in the
internal unit [rpm/s] into an acceleration 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
dnAccIn_x
DINT
Acceleration as speed variation/time in [rpm/s]
• 15000000 rpm/s ≡ 2
22
≡ 4194304
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
dnAccOut_e4
DINT
Acceleration in [unit/s
2
]
• 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
C04319 String from AxisData Acceleration unit
•Read only
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