8
MOTOR CONTROL
Current level to activate the current limitation for the Ramp Hold and Decelerate Ramp modes, as per Figure 8.6
on page 8-8 (a) and (b), respectively. In order to disable the current limitation, you must set parameter P135 > 1.9
x I
nom
.
P135
P135
P135
(a) “Ramp Hold”
(b) “Ramp Deceleration”
Time Time
Time
Time
TimeTime
Motor current Motor current
Motor current
Output
frequency
Output
frequency
Output
frequency
Ramp
acceleration
(P100)
Ramp
deceleration
(P101)
It decelerates
by emergency
ramp
During Acceleration During Deceleration
Figure 8.6: (a) and (b) Actuation modes of current limitation via P135
P139 - Output Current Filter
Range: 0.000 to 9.999 s
Properties: V/f, VVW
Description:
Time constant of the filter for the total and active output current. You must consider a filter response time equal to
three times the time constant set in P139.
8.1.2.3 Switching Frequency
P219 - Red. Switch. Freq.
Range: 0.0 to 15.0 Hz
Properties: cfg
8-8 | Micro Mini Drives
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