Rockwell Automation 160 AC DRIVE SER B/FRN 5-6.XX - Manual (Page 35)

Chapter 5 – Parameters and Programming
5-8
Program Group
P# Parameter Description Min/Max
Range
Units Factory
Default
48 [Output Threshold]
Determines the on/off point for the TB3
output relay when [P47 – Output Configure] is set to 6, 7, and 8.
Settings
6
7
8
Ranges
0 to 240 Hz
0 to 180 %
0 to 815 Volts
0 to 815 Numeric
Value
0
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
Important: Ignoring derating guidelines can cause reduced controller perfor-
mance.
2.0 to 8.0 0.1 kHz 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 external dynamic braking.
Setting “0” = Disable. Settings 1 through 100 = % duty cycle braking.
Important: The Rockwell Automation Bulletin 160 DB Resister package is rated
for 5% duty cycle. Use of this package above 5% should not be used and voids
the UL rating of this device. When setting this parameter to a value above 5%
duty cycle the resister must be sized to avoid overheating of the resister package.
Important: This parameter cannot be programmed while the controller is
running.
0 to 100 Numeric
Value
0