Lenze E84AVHC Series - C00574 | Resp. to brake resist. overtemp.; C00576 | SC: Field feedforward control; C00577 | SC: Vp field weaken. controller; C00578 | SC: Tn field weaken. controller

8400 HighLine | Parameter setting & configuration
Parameter reference
Parameter list | C00574
670 L Firmware ≤ 05.00 - DMS 4.2 EN - 02/2010
C00574
C00576
C00577
C00578
C00579
Parameter | Name:
C00574 | Resp. to brake resist. overtemp.
Data type: UNSIGNED_8
Index: 24001
d
= 5DC1
h
Response when reaching the threshold for the brake resistor utilisation set in C00572.
Selection list (Lenze setting printed in bold)
0No Reaction
1Fault
5 Warning
; Read access ; Write access  CINH  PLC STOP  No transfer  COM  MOT Scaling factor: 1
Parameter | Name:
C00576 | SC: Field feedforward control
Data type: UNSIGNED_16
Index: 23999
d
= 5DBF
h
Point of action of the direct-axis current setpoint precontrol for an early reduction of the field current. In this way,
the acceleration behaviour can be improved in the field weakening range.
• The entry [%] refers to the slip of the asynchronous motor.
Setting range (min. value | unit | max. value) Lenze setting
0 % 600 200 %
; Read access ; Write access  CINH  PLC STOP  No transfer  COM ; MOT Scaling factor: 1
Parameter | Name:
C00577 | SC: Vp field weaken. controller
Data type: UNSIGNED_16
Index: 23998
d
= 5DBE
h
Proportional gain of the field weakening controller
• When "0" is set, the P component of the controller is deactivated.
• The recommended setting is in the range between 0 and 0.0020
Setting range (min. value | unit | max. value) Lenze setting
0.0000 2.0000 0.0010
; Read access ; Write access  CINH  PLC STOP  No transfer  COM  MOT Scaling factor: 10000
Parameter | Name:
C00578 | SC: Tn field weaken. controller
Data type: UNSIGNED_16
Index: 23997
d
= 5DBD
h
Time constant of the field weakening controller
• The recommended setting is in the range between 10 and 30 ms
Setting range (min. value | unit | max. value) Lenze setting
0.1 ms 6000.0 20.0 ms
; Read access ; Write access  CINH  PLC STOP  No transfer  COM  MOT Scaling factor: 10
Parameter | Name:
C00579 | Resp. to max. speed / output freq. reached
Data type: UNSIGNED_8
Index: 23996
d
= 5DBC
h
Response for reaching the maximum speed limit (C00909) or the output frequency limit (C00910)
Selection list (Lenze setting printed in bold)
0No Reaction
1Fault
5 Warning
; Read access ; Write access  CINH  PLC STOP  No transfer  COM  MOT Scaling factor: 1
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