User guide

Lenze · 9400 function library · Reference manual · DMS 6.7 EN · 08/2014 · TD05 475
5 Function blocks
5.127 L_SdInterExtrapolatePosition - signal interpolation
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Outputs
Parameter
Identifier/data type Value/meaning
dnPosOut_p
DINT
Output position (in the cycle) in [increments]
dnSpeedOut_s
DINT
Output speed (in the cycle) provided as speed in [min
-1
]
• 15000 rpm ≡ 2
26
≡ 67108864
bTelegramMissed
BOOL
Status signal "Telegram failure detected"
TRUE Telegram failure has been detected.
bLimit
BOOL
Status signal "Number of accepted telegram failures reached"
TRUE The number of accepted telegram failures set in C04434 has been re-
ached.
bError
BOOL
"Error" status
TRUE An error has occurred.
Parameter Possible settings Information
C04430/1 String of digits Position unit
•Read only
C04430/2 String of digits Speed unit
•Read only
C04431 Operation mode
0 Linear interpolation Lenze setting
1 Quadratic interpolation
2 Linear extrapolation
3 Quadratic extrapolation
C04432 1 127 Number of interpolation/extrapola-
tion steps
• Task cycles per communication
cycle
•Initialisation: 1
C04433 Permit reversing during quadratic ex-
trapolation
0 Reversing not permitted Lenze setting
1 Reversing permitted
C04434 0 50 Number of accepted telegram failu-
res
• at the same time number of com-
munication cycles used for further
interpolation/extrapolation.
•Initialisation: 0
C04435 Selection: Telegram failure detection
0Inactive
(Two identical input position values
in a row are not evaluated as tele-
gram failure.)
Lenze setting
1 Toggle input
2SyncInput interface
C04436 -214748.3647 Unit 214748.3647 Position at the input
•Display of the dnPosIn_p input si-
gnal in the real unit of the machi-
ne.