Lenze E94A - Manual (Page 304)

5 Function blocks
5.82 L_EsStretchIntegrate - synchronously stretching/compressing the master value
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Lenze · 9400 function library · Reference manual · DMS 6.7 EN · 08/2014 · TD05
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5.82 L_EsStretchIntegrate - synchronously stretching/compressing the master value
This FB serves to stretch and compress a master value in the "Modulo" or "Unlimited" traversing ran-
ge. For this purpose, the FB integrates the input speed to a position and stretches or compresses it.
• Via the inputs dnNumerator and dnDenominator a free stretch factor can be defined for the
speed ratio.
• In C05291 only the synchronous stretching/compression is preset as a mode, i. e. a new stretch
factor is only accepted in the cycle transition of the position (modulo systems only).
• Via the input bLoadStartPos the position output can be set to the starting position pending at
the input dnStartPos_p.
• In addition to the position, the resulting speed is shown at the output dnSpeedOut_s.
Inputs
Function library: LenzeElectricalShaft
Runtime software licence:  Motion Control HighLevel  Motion Control TopLevel
Identifier/data type Information/possible settings
dnSpeedIn_s
DINT
Speed in [rpm]
• 15000 rpm ≡ 2 26 ≡ 67108864
• Display parameter: C05294
dnNumerator
DINT
Stretch factor (numerator)
• ±2 31 -1
• If an invalid value is selected, the ratio will be set to "0".
dnDenominator
DINT
Stretch factor (denominator)
• 0 ... 2 31 -1
• A negative stretch factor can only be defined via dnNumerator.
• In the case of an input value < 0, processing is continued internally with 1.
• If an invalid value is selected, the ratio will be set to "0".
dnAuxSpeed_s
DINT
From library V01.01.xx.xx
Additional (compensation) speed in [rpm]
• For example from mark correction.
• 15000 rpm ≡ 2 26 ≡ 67108864
• Display parameter: C05293
bLoadStartPos
BOOL
Load the integrator with starting position
TRUE Load the integrator with the value at the dnStartPos_p input.
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