Allen-Bradley PowerFlex 70

Rockwell Automation Publication 20A-UM001N-EN-P - July 2013 41
Programming and Parameters Chapter 1
Dynamic Control File (file D)
File D Group No.
Parameter Name and Description
See page 14 for symbol descriptions
Values
Related
DYNAMIC CONTROL (file D)
Ramp Rates
140
141
[Accel Time 1]
[Accel Time 2]
Sets the rate of accel for all speed increases.
Default:
Min/Max:
Units:
10.0 Secs
10.0 Secs
0.0/3600.0 Secs
0.1 Secs
142
143
146
361…
366
142
143
[Decel Time 1]
[Decel Time 2]
Sets the rate of decel for all speed decreases.
Default:
Min/Max:
Units:
10.0 Secs
10.0 Secs
0.0/3600.0 Secs
0.1 Secs
140
141
146
361…
366
146 [S Curve %]
Sets the percentage of accel or decel time that is
applied to the ramp as S Curve. Time is added,
1/2 at the beginning and
1/2 at the end of the ramp.
Default:
Min/Max:
Units:
0.0%
0.0/100.0%
0.1%
056
140…
143
Load Limits
147 [Current Lmt Sel]
Selects the source for the adjustment of current
limit (for example, parameter, analog input,
and so on).
Default:
Options:
0
0
1
2
“Cur Lim Val”
“Cur Lim Val”
“Analog In 1”
“Analog In 2”
146
148
149
148 [Current Lmt Val]
Defines the current limit value when [Current
Lmt Sel] = “Cur Lim Val.”
Default:
Min/Max:
Units:
[Rated Amps] × 1.5
(Equation approximates default
value.)
Drive Rating Based
0.1 Amps
028
147
149
149 [Current Lmt Gain]
Sets the responsiveness of the current limit.
Default:
Min/Max:
Units:
250
0/5000
1
147
148
150 [Drive OL Mode]
Selects the drive’s response to increasing drive
temperature.
Default:
Options:
3
0
1
2
3
“Both–PWM 1st”
“Disabled”
“Reduce CLim”
“Reduce PWM”
“Both–PWM 1st”
219
151 [PWM Frequency]
Sets the carrier frequency for the PWM output.
Drive derating can occur at higher carrier
frequencies. For derating information, refer to
the PowerFlex Reference Manual, publication
PFLEX-RM001
.
Default:
Min/Max:
Units:
4 kHz
2, 3, 4, 5, 6, 7, 8, 9, 10 kHz
2, 4, 8, 12 kHz
(1)
1 kHz
(1)
Only Frames A…D.
Max Speed
Accel Time
Accel Rate
=
Max Speed
Decel Time
Decel Rate
=
E C