Lenze DDS Global Drive PLC Developer Studio Instrukcja Użytkownika Pobierz pdf (Strona 20)

Function block library LenzeElectricalShaft.lib

Special functions

2.1.2 Digital frequency processing (L_DFSET)

2−10

LenzeElectricalShaft.lib EN 1.2

Parameter codes of the instances

VariableName L_DFSET1 SettingRange Lenze

wGearDenom C0033 1 ... 32767 1

dnPosOffset C0252 −245760000 ... 245760000 inc 0

nSpeedDependPos

Offset

C0253 −32767 ... 32767 inc 0

dwFollowingErrWin C0255 10 ... 180000000 inc. 32768

nAngleOffsetMult C0529 −20000 ... 20000 1

bWithoutGearFactor C0530 0, 1 0

wAct0PulseDiv C0531 0 ... 16384 0

wGainDenom C0533 1 ... 32767 1

by0PulseFunc C0534 0, 1, 2, 10, 11, 12, 13 0

wSet0PulseDiv C0535 0 ... 16384 0

Range of functions

· Setpoint conditioning with stretch and gearbox factor

· Processing of correction values

· Synchronizing on zero track or touch probe (for resolver feedback: touch probe only)

· Connection of the function block

2.1.2.1 Setpoint conditioning with stretch and gearbox factor

Stretch factor

The stretch factor defines the ratio for the drive running to its setpoint.

· The stretch factor evaluates the setpoints at nSet_v .

The result appears at nSetOut_v (16384 º 15000 rpm).

· The stretch factor results from numerator and denominator.

– Numerator: Variable value of nGainNominator.

– Denominator: defined under wGainDenom.

· Relationship:

nSetOut_v + nSet_v @

nGainNominator

wGainDenom

Gearbox factor

The gearing factor defines the gearbox ratio of the drive. Enter the ratio of the drive.

· The gearing factor evaluates the setpoints at nSet_v multiplied by the stretch factor.

The result appears at nSetSpeedOut_a (16384 º n

max

(C0011)).

· The gearing factor is formed from the numerator and denominator.

– Numerator: Variable value of nGearNominator.

– Denominator: defined under wGearDenom.

· Relationship:

nSetSpeedOut_a + Reckfaktor @

nGearNominator

wGearDenom

nSetSpeedOut_a + nSet_v @

nGainNominator

wGainDenom

nGearNominator

wGearDenom

1 2 ... 15 16 17 18 19 20 21 22 23 24 25 ... 44 45

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