Rockwell PowerFlex 70, User Manual

Page: 69 / 170

Programming and Parameters 3-29
Dynamic Control File (File D)
Fi
le D
Gr
oup
No.
Parameter Name and Description
See page 3-2 for symbol descriptions
Values
Relate
d
D
YNA
MIC CONTR
O
L (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
thru
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
thru
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%
140
thru
143
Lo
ad Li
m
it
s
147 [Current Lmt Sel]
Selects the source for the adjustment of
current limit (i.e. parameter, analog input,
etc.).
Default:
Options:
0
0
1
2
“Cur Lim Val”
“Cur Lim Val”
“Analog In 1”
“Analog In 2”
146
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
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 may 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 kHz
Max Speed
Accel Time
Accel Rate
=
Max Speed
Decel Time
Decel Rate
=
E C