Rockwell Automation 161 SERIES B FRN 2.001 - Manual (Page 29)

25
Parameters & Programming
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
V/F Characteristics / Boost U
1
K
1
A41 [Boost Select]
Used to select auto or manual boost
Settings:
00=Manual Boost
01=Auto Boost
00/01 Numeric
Value
00 00
A42 [Manual Boost Voltage]
Sets the boost level as a percent of PA82 - [Base
Voltage].
This Parameter can be changed while motor is running.
0/99 Numeric
Value
25 11
A43 [Manual Boost Frequency]
Sets the boost frequency point as a percent of PA03 -
[Base Frequency].
Refer to diagram in PA42 –
[Manual Boost Voltage]
This Parameter
can be changed while motor is running.
0.0/50.0% 0.1% 2.0 10.0
A44 [V/Hz Select]
Used to select the V/Hz mode.
Settings:
00=Constant Torque
01=Variable Torque
00/01 Numeric
Value
00 00
A45 [Maximum Voltage Gain]
Sets the voltage gain of the V/Hz characteristic.
Value is a percent of PA82 - [Base Voltage].
This Parameter can be changed while motor is running.
50/100 1% 100 100
Voltage
100%
A42
A43 30Hz 60Hz
99 = 20%
of Base Voltage at 0Hz,
then linear scale down
e.g. 25 = 5%
~
~
1/2 Base
frequency
Base frequency
Frequency
Voltage
A44 = 00
Constant
Torque
A44 = 01
Variable
Torque
100%
0
Base frequency
frequency
Base frequency
frequency
100%
50%
A45
0