Lenze E94A - Manual (Page 629)

Lenze · 9400 function library · Reference manual · DMS 6.7 EN · 08/2014 · TD05
629
5 Function blocks
5.205 L_WndCalcDiameter - diameter calculation
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5.205 L_WndCalcDiameter - diameter calculation
This FB serves to calculate the reel diameter from the line speed and the reel speed.
• The output signal dwDiameter has a resolution of 1 μm and can display a maximum of 10 m.
Inputs
Function library: LenzeWinder
Runtime software licence:  Motion Control HighLevel  Motion Control TopLevel
Identifier/data type Information/possible settings
dwMaxDiameter
DWORD
Maximum diameter in [μm]
• 1000 μm ≡ 1 mm; 1000000 μm ≡ 1 m
• Internal limitation to 10 m
dwMinDiameter
DWORD
Minimum diameter in [μm]
• 1000 μm ≡ 1 mm; 1000000 μm ≡ 1 m
• Internal limitation to 10 m
dwReferenceLineSpeed
DWORD
Maximum material speed in [cm/min]
• 2500 cm/min ≡ 25.00 m/min
• Internal limitation to 2000 m/min
dnLineSpeed_n
DINT
Material speed setpoint in [%]
• 100 % ≡ maximum material speed (dwReferenceLineSpeed)
dnActualMotorSpeed_s
DINT
Current motor speed in [rpm]
• 15000 rpm ≡ 2 26 ≡ 67108864
dnGearNumerator
DINT
Gearbox factor (numerator)
dnGearDenominator
DINT
Gearbox factor (denominator)
dwCalculationDistance
DWORD
Reel shaft distance (number of revolutions) after which a recalculation of the diame-
ter is carried out.
• 1000 ≡ one revolution (with three decimal positions)
• Internal limitation to 1000000, i. e. the diameter calculation can be maximally
averaged by 1000 revolutions.
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