Lenze 8400 motec - Manual (Page 405)

Lenze · 8400 motec · Reference manual · DMS 4.1 EN · 08/2013 · TD05 405
11 Parameter reference
11.2 Parameter list | C00971
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C00971
C00972
C00973
C00975
Parameter | Name:
C00971 | VFC: Limitation V/f +encoder
Data type: UNSIGNED_16
Index: 23604 d = 5C34 h
From version 02.00.00
Limitation of the output frequency of the slip regulator and limitation of the injected stator frequency for the V/f
control ( VFCplus+encoder )
Setting range (min. value | unit | max. value)
0.00 Hz 100.00
Subcodes Lenze setting Info
C00971/1 10.00 Hz Maximum output / correcting variable of the slip
regulator
• The slip regulator output is limited to the value set
here in motor/generator mode.
• It is recommended to select 1 to 3 times the slip
frequency of the motor as limit value.
C00971/2 100.00 Hz Maximum frequency deviation between the rotational
frequency (speed) measured mechanically by the
encoder and the injected stator frequency.
• A limitation may e.g. avoid overcurrent interruption
when traversing to a fixed limit stop.
 Read access  Write access  CINH  PLC STOP  No transfer  COM  MOT Scaling factor: 100
Parameter | Name:
C00972 | VFC: Vp V/f +encoder
Data type: UNSIGNED_16
Index: 23603 d = 5C33 h
From version 02.00.00
Proportional gain of the slip regulator for V/f control ( VFCplus+encoder )
• The gain must be selected depending on the drive system and the sensor resolution (range: 0.005 ... 5).
• A high gain requires a high number of increments.
Setting range (min. value | unit | max. value) Lenze setting
0.000 Hz/Hz 64.000 0.100 Hz/Hz
 Read access  Write access  CINH  PLC STOP  No transfer  COM  MOT Scaling factor: 1000
Parameter | Name:
C00973 | VFC: Ti V/f +encoder
Data type: UNSIGNED_16
Index: 23602
d
= 5C32
h
From version 02.00.00
Integral time constant of the slip regulator for V/f control ( VFCplus+encoder )
• In general, the time constant should be selected in a range of 20 ms (high dynamics) to 200 (low dynamics).
Setting range (min. value | unit | max. value) Lenze setting
0.0 ms 6000.0 100.0 ms
 Read access  Write access  CINH  PLC STOP  No transfer  COM  MOT Scaling factor: 10
Parameter | Name:
C00975 | VFC-ECO: Vp
Data type: UNSIGNED_16
Index: 23600 d = 5C30 h
Proportional gain of the Cos-Phi controller for energy-saving V/f characteristic control ( VFCplusEco )
Setting range (min. value | unit | max. value) Lenze setting
0.000 Hz/Hz 64.000 0.500 Hz/Hz
 Read access  Write access  CINH  PLC STOP  No transfer  COM  MOT Scaling factor: 1000