6-16
56-ILIM Current limit value [A]
See 55-ISEL and diagram.
57-FILIM Minimum reduction frequency for current control [Hz]
See 55-ISEL and diagram.
58-RILIM Ramp for current control [Hz/s]
See 55-ISEL and diagram.
59-TRIP I
*
t Monitoring (Motor), trigger current [A]
With the parameter 59-TRIP, the I∗t trigger current is set. Once this current
is exceeded there follows after a certain trigger time (see diagram) shut-
down with the error message E-OLM.
Motor protection:
The setting of the I∗t trigger current must be in accordance with the
motor rated current. Thus even motors with smaller power outputs than
the device rated power are sufficiently protected from overloading.
Independently from the parameter 59-TRIP, the inverter has a
I∗t monitoring (device) which corresponds to one setting 59-TRIP = device
rated current and results in shut-down with error message E_OLI after
approx.100 ms, with I = 2 ∗ I
N
.
Factory setting: 59-TRIP = I
N
(Device rated current)
Fig. 6-10