A088, A090, A089 – Rockwell Automation 22B PowerFlex 40 FRN 1.xx - 6.xx User Manual
Page 74: Advanced program group, Continued), A088 [maximum voltage, A089 [current limit 1, A090 [motor ol select, A091 [pwm frequency, 28 programming and parameters
3-28
Programming and Parameters
PowerFlex 40 Adjustable Frequency AC Drive FRN 1.xx - 6.xx User Manual
Publication 22B-UM001H-EN-E
Advanced Program Group
(continued)
A088 [Maximum Voltage]
Sets the highest voltage the drive will output.
Values
Default:
Drive Rated Volts
Min/Max:
20/Drive Rated Volts
Display:
1 VAC
A089 [Current Limit 1]
Related Parameter(s):
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]
Related Parameter(s):
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
22B-UM001.book Page 28 Wednesday, January 22, 2014 11:04 AM