Rockwell Automation 161 SERIES B FRN 2.001 User Manual
Page 30
Parameters & Programming
26
1
U = 60 Hz default settings, K = 50 Hz default settings. Settable using
P
b85 – [Factory Default Select]
Parameter
Number
Parameter Name / Description
Min./Max
Range
Units
Factory
Defaults
DC Brake
U
1
K
1
A51
[DC Brake Enable]
Used to enable/disable DC injection braking
Settings:
00=Disabled
01=Enabled
00/01
Numeric Value
00
00
A52
[DC Brake Start Frequency]
Sets the frequency at which the DC brake will
become active.
0.5/10.0
0.1Hz
10.0
10.0
A53
[DC Brake Wait Time]
Sets the time the drive will wait after PA52 -
[DC Brake Start Frequency] before applying
PA54 - [DC Hold Voltage].
0.0/5.0
0.1 seconds
0.0
0.0
A54
[DC Hold Voltage]
Sets the level of DC braking voltage in percent
of PA82 - [Base Voltage].
0/100
1% of drive
rating
0
0
A55
[DC Hold Time]
The time that PA54 -[DC Hold Voltage] is
applied to the motor after PA53 - [DC Brake
Waiting Time] has expired.
0.0/60.0
0.1 seconds
0.0
0.0
Operating Frequency Range
U
1
K
1
A61
[Upper Frequency Limit]
This is an upper frequency limit similar to PA04 -
[Maximum Frequency] except that it can be
set lower than PA03 - [Base Frequency]. A
value of 0.0 will disable this parameter.
Output Frequency
0.5/360.0
0.1Hz
0.0
0.0
A62
[Minimum Frequency]
Lowest frequency the drive will output
continuously.
Refer to diagram in
PA61 – [Upper Frequency Limit].
0.0/360.0
0.1Hz
0.0
0.0
A63
[Skip Frequency 1]
Sets a frequency at which the drive will not output
continuously.
0.0/360.0
0.1Hz
0.0
0.0
A64
[Skip Frequency Band 1]
Sets the bandwidth around PA63 -[Skip
Frequency 1]. The bandwidth is 2x PA64 –
[Skip Frequency Band 1] with ½ the band
below and ½ the band above PA63 - [Skip
Frequency 1].
0.0/10.0
0.1Hz
0.5
0.5
A65
[Skip Frequency 2]
Sets a frequency at which the drive will not output
continuously.
0.0/360.0
0.1Hz
0.0
0.0
A66
[Skip Frequency Band 2]
Sets the bandwidth around PA65 -[Skip
Frequency 2]. The bandwidth is 2x PA66 -
[Skip Frequency Band 2] with ½ the band
below and ½ the band above PA65 - [Skip
Frequency 2].
0.0/10.0
0.1Hz
0.5
0.5
Output Frequency
Frequency Command
A61
A62