Lenze 9400 Manual de usuario descargar pdf (Pagina 239)

Lenze · Servo-Inverter 9400 HighLine · Reference manual · DMS 10.0 EN · 11/2013 · TD05/06 239

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

(C02570

), so that the position encoder is evaluated.

2. Set "From application" in the Position encoder selection list field (C00490

).

 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 (C02528

) is set to "Modulo", the external actual position also

has to be defined as modulo (0 … cycle-1).

1 2 ... 234 235 236 237 238 239 240 241 242 243 244 ... 953 954

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