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Function block library LenzeElectricalShaft.lib

Special functions

2.1.3 Gearing compensation (L_GEARCOMP)

2−16

LenzeElectricalShaft.lib EN 1.2

2.1.3 Gearing compensation (L_GEARCOMP)

This FB compensates for elasticity in the drive chain.

L _ G E A R C O M P

d n O u t _ p

V o r z e i c h e n

n T o r q u e _ a

1 4

n O f f s e t

n N u m e r a t o r

n D e n o m i n a t o r

1 5

- 1

- 2

1 5

+ 1

d n P h i l n _ p

Abb. 2−9 Gearing compensation (L_GEARCOMP)

VariableName

DataType SignalType VariableType Note

nTorque_a Integer analog VAR_INPUT Input value

dnPhiIn_p Double Integer position VAR_INPUT Input value

dnOut_p Double Integer position VAR_OUTPUT Initial value

nOffset Integer − VAR CONSTANT RETAIN Offset

nNumerator Integer − VAR CONSTANT RETAIN Numerator, dynamic switch−off at nNumerator = 0

nDenominator Integer − VAR CONSTANT RETAIN Denominator

Parameter codes of the instances

VariableName L_GEARCOMP1 SettingRange Lenze

nOffset C1260 −16383 ... 16383 0

nNumerator C1261 −32767 ... 32767 1

nDenominator C1262 1 ... 32767 1

Functional sequence

1. The signal at nTorque is divided into the absolute value and the sign.

2. The value is converted (with nNumerator, nDenominator, nOffset ).

3. The result is evaluated with the sign and added to the signal at dnPhiIn_p

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