Firmware ≤ 11.00 - DMS 8.0 EN - 10/2011 L 149
8400 StateLine C | Reference manual
Motor control (MCTRL)
V/f characteristic control - energy-saving (VFCplusEco)
5.5.4 Optimising the control mode
The V/f characteristic control - energy-saving (VFCplus) is generally ready for operation. It
can be adapted subsequently by adapting the characteristic and/or the drive behaviour.
Adapting characteristic
For the linear characteristic as part of the V/f characteristic control - energy-saving
(VFCplusEco), it is also possible (like in case of the standard V/f characteristic control) to
match its curve to different load profiles or motors by adapting the V/f base frequency
(C00015
) and the V
min
boost (C00016).
Adapting the V/f base frequency
( 132)
Adapting the Vmin boost
( 134)
Adapting drive behaviour
Limitation of the maximum current by a current limitation controller (e.g. to prevent
the motor from stalling or to limit to the maximally permissible motor
current).Optimising the Imax controller
( 136)
Adaptation of the field frequency by a load-dependent slip compensation (improved
speed accuracy for systems without feedback).
Improving the behaviour at high dynamic load changes
. ( 150)
Adapting the slope limitation for lowering the Eco function
. ( 151)
Optimising the cos/phi controller
. ( 151)
Torque limitation
Limit the torque to a lower value.Torque limitation
( 138)
Note!
For an adaptation of the V
min
boost, the V/f characteristic control - energy-
saving (VFCplusEco) must not be set. For this purpose, set the V/f characteristic
control (VFCplus).
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