1 use of an external position encoder, Use of an external position encoder, Use of an external position encoder ( 239) – Lenze 9400 User Manual
Page 239: 6encoder evaluation
Lenze · Servo-Inverter 9400 HighLine · Reference manual · DMS 10.0 EN · 11/2013 · TD05/06
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6
Encoder evaluation
6.1
Internal interfaces | "LS_Feedback" system block
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6.1.1
Use of an external position encoder
The FDB_dnActPosIn_p input serves to evaluate an external encoder (CAN, SSI, Profibus) for the
position control.
• Via this input, a current actual position of an external encoder in [increments] can be directly
transferred to the encoder evaluation.
How to activate the use of the external actual position:
On the Application parameters
tab in the dialog level Overview Drive interface Machine parameters:
1. Select the "Position controller active" setting in the Position control structure list field
(
), so that the position encoder is evaluated.
2. Set "From application" in the Position encoder selection list field (
Note!
• Encoder inversion and offset selection FDB_dnPositionOffset_p also affect the
external actual position.
• If the use of the external actual position preset via FDB_dnActPosIn_p is activated, the
"Home position known" status (HM_bHomePosAvailable = TRUE) is automatically set
and homing with the basic function "Homing" cannot be activated anymore.
• If the traversing range (
) is set to "Modulo", the external actual position also
has to be defined as modulo (0 … cycle-1).