Lenze L-force HighLine C 8400 Series Reference Manual page 164

8400 HighLine C | Reference manual
Motor control (MCTRL)
V/f characteristic control (VFCplus)
V/f characteristic control (VFC)
The accuracy of the torque limitation is limited because the actual torque (C00056/2) is
only calculated from the slip speed measured indirectly via the motor current.
V/f control (VFC + encoder)
The slip speed of the motor is available at the slip controller output. This leads to a high
accuracy for the actual torque (C00056/2) and the torque limitation.
[5-6] Extract from the signal flow of the V/f control (VFC + encoder)
Parameter
1 C00056/2
2 C00830/29
3 C00830/28
4 C00054
5 C00022
6 C00023
7 C00074
8 C00073
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Info
Actual torque value
Limitation of torque in motor mode
Limitation of torque in generator mode
Motor current
Imax in motor mode
Imax in generator mode
Ti Imax controller
Vp Imax controller
L
Parameter Info
9 C00830/22 MCTRL: nSpeedSetValue_a
10 C00909/1 Max. pos. speed
11 C00909/2 Max. neg. speed
12 C00105 Decel. time - quick stop
13 C00050 Speed setpoint
Firmware ≤ 11.00 - DMS 6.0 EN - 10/2011