A090, A089, Advanced program group – Rockwell Automation 22A PowerFlex 4 User Manual FRN 6.xx User Manual
Page 56: Continued), A089 [current limit, A090 [motor ol select, A091 [pwm frequency, 20 programming and parameters
3-20
Programming and Parameters
Advanced Program Group
(continued)
A089 [Current Limit]
Maximum output current allowed before current limiting occurs.
Values
Default
Drive Rated Amps
×
1.5
Min/Max:
0.1/(Drive Rated Amps
×
1.8)
Display:
0.1 Amps
A090 [Motor OL Select]
Related Parameter(s):
Drive provides Class 10 motor overload protection. Settings 0-2 select the derating factor for the I
2
t
overload function.
Options
0 “No Derate” (Default)
1 “Min Derate”
2 “Max Derate”
Min Derate
0
80
100
60
40
20
No Derate
0
80
100
60
40
20
%
of P033
[Motor OL Curent
]
Max Derate
0
80
100
60
40
20
0
200
175
150
125
100
75
50
25
0
200
175
150
125
100
75
50
25
0
200
175
150
125
100
75
50
25
A091 [PWM Frequency]
Sets the carrier frequency for the PWM output waveform. The chart below provides derating
guidelines based on the PWM frequency setting.
Important: Ignoring derating guidelines can cause reduced drive performance.
Values
Default
4.0 kHz
Min/Max:
2.0/16.0 kHz
Display:
0.1 kHz
68
84
88
80
76
96
100
92
72
64
60
56
52
8
7
6
5
4
3
2
1
15
14
16
13
12
11
10
9