Lenze DDS Global Drive PLC Developer Studio Manual do Utilizador descarregar pdf (Página 33)

Function block library LenzeElectricalShaft.lib

Special functions

2.1.4 Homing function (L_REF)

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LenzeElectricalShaft.lib EN 1.2

Homing with TouchProbe (TP) or zero−pulse (MP)

The reference point is at the next TouchProbe signal, or zero−pulse plus the reference point offset.

· Mode 8 ( byHomingMode = 8):

– Move to the home position in CW rotation.

– Home position offset dnRefOffset is entered as positive.

· Mode 9 ( byHomingMode = 9):

– Move to the home position in CCW rotation.

– Enter the reference point offset dnRefOffset or zero−pulse as a negative value.

Take care that the TP has been parameterized in the system block!

Example: Mode 8 with a 9300 Servo PLC through MCTRL_MotorControl

Abb. 2−17 Example: Mode 8 with a 9300 Servo PLC through MCTRL_MotorControl

Settings

· In Parameter Manager: byHomingMode = 8

· C0911=0, homing to zero−pulse or

C0911=1, homing to TouchProbe (terminal X5/E4).

· With C0911=1, C0912 can be used to select whether a rising or falling edge will trigger a

TouchProbe.

(C0912 = 0: rising edge; C0912 = 1: falling edge)

· With C0910 a delay can be set for a TP/MP.

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Lenze DDS Global Drive PLC Developer Studio Manual do Utilizador Página 33