Operating instructions

Setpoint channel and closed-loop control
7.3 V/f control
Drive converter cabinet units
266 Operating Instructions, 10/2008, A5E00288214A
Parameter
value
Meaning Application / property
6 Precise frequency
drives with flux
current control (FCC)
Characteristic (see parameter value 1) that takes into account the technological
particularity of an application (e.g. textile applications):
• Whereby current limitation (Imax controller) only affects the output voltage and not
the output frequency.
• By disabling slip compensation and resonance damping
Voltage losses in the stator resistance for static / dynamic loads are also
compensated (flux current control FCC). This is particularly useful for small motors,
since they have a relatively high stator resistance.
19 Independent voltage
setpoint
The user can define the output voltage of the Power Module independently of the
frequency using BICO parameter p1330 via the interfaces (e.g., analog input AI0 of
the TM31 –> p1330 = r4055[0]).
Function diagram
FP 6300 V/f characteristic and voltage boost
Parameter
• p1300
Open-loop/closed-loop control operating mode