Siemens SINAMICS S120 Function Manual page 265

Parameter Meaning
values
3 Programmable
characteristic
4 Linear characteristic
and ECO
5 Precise frequency
drives
6 Precise frequency
drives with flux current
control (FCC)
7 Parabolic
characteristic and
ECO
19 Independent voltage
setpoint
Drive functions
Function Manual, (FH1), 04/2014, 6SL3097-4AB00-0BP4
Characteristic that takes into account
motor/machine torque curve (e.g.
synchronous motor).
Characteristic, see parameter 0 and Eco mode at a constant operating point.
In the ECO mode, the efficiency at a constant operating point is optimized. This
•
optimization is only effective in steady-state operation and when the ramp-
function generator is not bypassed.
You must activate slip compensation and set the scaling of the slip compensation
•
(p1335) so that the slip is completely compensated (generally, 100%).
Characteristic that takes into account the technological particularity of an application
(e.g. textile applications):
Whereby the current limitation (Imax controller) only affects the output voltage
•
and not the output frequency
By disabling slip compensation
•
Characteristic that takes into account the technological particularity of an application
(e.g. textile applications):
Whereby the current limitation (Imax controller) only affects the output voltage
•
and not the output frequency
By disabling slip compensation
•
Voltage losses in the stator resistance for static/dynamic loads are also compensated
(flux current control FCC). This function is required for small motors, as, in
comparison to large motors, they have a relatively high stator resistance.
Characteristic, see parameter 1 and ECO mode at a constant operating point.
In the Eco mode, the efficiency at a constant operating point is optimized. This
•
optimization is only effective in steady-state operation and when the ramp-
function generator is not bypassed.
You must activate slip compensation and set the scaling of the slip compensation
•
(p1335) so that the slip is completely compensated (generally, 100%).
The user can define the output voltage of the Motor Module independently of the
frequency using BICO parameter p1330 via the interfaces (e.g. analog input AI0 of
Terminal Board 30 –> p1330 = r4055[0]).
Application / property
U/f control (vector control)
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