Program group, 49 [pwm frequency, 50 [restart tries – Rockwell Automation 160 SER A FRN 1.XX-4.XX User Manual
Page 34: 51 [restart time, 52 [db enable, 53 [s-curve, P# parameter description
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Chapter 5 - Parameters and Programming
5–8
Program Group
P#
Parameter Description
Min/Max
Range
Units
Factory
Default
49
[PWM Frequency]
Carrier frequency for the PWM output waveform.
The chart below provides derating guidelines based on the PWM freq. setting.
1
2
3
4
5
6
7
8
84
86
88
90
92
94
96
98
100
%
Output
Current
(A)
Carrier Frequency, kHz
Note: Ignoring derating guidelines can cause reduced controller performance.
2.0 to 8.0
0.1kHz
4.0 kHz
50
[Restart Tries]
Maximum number of times the controller will attempt to
reset a fault.
0 to 9
Numeric
Value
0
51
[Restart Time]
Time between restart attempts.
0.5 to 300
0.1 Seconds
10.0
Seconds
52
[DB Enable]
Enables/disables dynamic braking. 0 = Disable, 1 = Enable
Note: This parameter cannot be programmed while the controller is running.
0 to 1
Numeric
Value
0
53
[S-Curve]
Enables a fixed shape S-Curve. See formula below:
1/2 SĆCurve
Time
a
'
a
'
a
'
a
'
a
'
a
'
1/2 SĆCurve
Time
À
See values in the Min/Max Range column
S-Curve Time = Accel or Decel Time x S-Curve" setting
(in percent)
À
S-Curve Time = 10 x .3
Example:
Accel Time = 10 seconds
S-Curve Setting = 3
= 3 Seconds
Enabled
Disabled
Accel Time
Decel Time
Note: Maximum
S-Curve time is 60
seconds.
Formula:
S-Curve
Setting
0 = 0%
1 = 10%
2 = 20%
3 = 30%
4 = 40%
5 = 50%
6 = 60%
7 = 70%
8 = 80%
9 = 90%
10 = 100%
Numeric
Value
0