
Rockwell Automation Publication 280E-UM001B-EN-P – July 2012 175
Bulletin 280E/281E/284E Programmable Parameters Chapter 7
Figure 72 - Derating Guidelines Based on the PWM Frequency Setting
Clear a Type 1 Fault and Restart the Drive
1. Set Parameter 192 (Auto Rstrt Tries) to a value other than 0.
2. Set Parameter 193 (Auto Rstrt Delay) to a value other than 0.
PWM Frequency
Sets the carrier frequency the PWM
output waveform. The Figure72
provides derating guidelines based on
the PWM frequency setting.
Parameter Number 191
Related Parameters 224
Access Rule GET/SET
Data Type UINT
Group Drive Advanced Setup
Units 0.l Hz
Minimum Value 2.0 Hz
Maximum Value 16.0 Hz
Default Value 4.0 Hz
Auto Rstrt Tries
Set the maximum number of times
the drive attempts to reset a fault and
restart.
Parameter Number 192
Related Parameter 155, 193
Access Rule GET/SET
Data Type UINT
Group Drive Advanced Setup
Units 1
Minimum Value 0
Maximum Value 9
Default Value 0
52
64
76
88
100
96
92
84
80
72
68
60
56
12345678910111213141516
Carrier Frequency (kHz)
% Output Current (A)
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