Lenze DDS Global Drive PLC Developer Studio Manuel d'utilisateur télécharger pdf (Page 28)

Function block library LenzeElectricalShaft.lib

Special functions

2.1.4 Homing function (L_REF)

2−18

LenzeElectricalShaft.lib EN 1.2

Parameter codes of the instances

VariableName L_REF1 SettingRange Lenze

byHomingMode C0932 0, 1, 8, 9, 20, 21 0

dnRefOffset C0934 −2140000000 ... 2140000000 inc 0

dnHomingSpeed C0935 0 ... 16000 rpm 100

wTiTimeHoming C0936 0.01 ... 650.00 s 1.00

Note!

Use the FB L_REF only in tasks with an interval time in the range from 1 ... 10msec!

Range of functions

· Profile generator

· Homing modes

· Control via input signals

· Output of status signals

· Store the present output value after power interruption

· Connection of the function block

2.1.4.1 Profile generator

The homing speed profile can be adapted to the application.

dwHomingSpeed

bMark_b

dnRefOffset







Abb. 2−11 Homing speed profile

 wTiTimeHoming

 Zero pulse

 Home position

Variable

Meaning Note

dnRefOffset Homing point offset = number of increments after the

zero pulse

The reference is: 65536 inc = 1 revolution.

An input of up to 2140000000 incr. is possible

dnHomingSpeed Maximum traversing speed Entry in [rpm]. (286331153 º 16000 rpm)

wTiTimeHoming Ramp−up/down time linear ramp (100 º 1 s)

1 2 ... 23 24 25 26 27 28 29 30 31 32 33 ... 44 45

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Lenze DDS Global Drive PLC Developer Studio Manuel d'utilisateur Page 28