Rockwell Automation 284 ArmorStart User Manual User Manual
Page 164

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Bulletin 284 Programmable Parameters for Volts per Hertz Controllers
DC Brake Level
Defines the maximum DC brake current, in amps, applied to the motor when
Parameter 137 (Stop Mode) is set to either Ramp or DC Brake.
Parameter Number
181
Related Parameters
137, 180
Access Rule
GET/SET
Data Type
UINT
Group
Advanced Program Group
Units
0.1 A
Minimum Value
0.0
Maximum Value
Drive rated amps X 1.8
Default Value
Drive rated amps X 0.05
ATTENTION
!
•
If a hazard of injury due to movement of equipment or material exists, an
auxiliary mechanical braking device must be used.
•
This feature should not be used with synchronous or permanent magnet
motors. Motors may be demagnetized during braking.
DB Resistor Sel
Enables/disables external dynamic braking.
Parameter Number
182
Related Parameters
137
Access Rule
GET/SET
Data Type
UINT
Group
Advanced Program Group
Units
1
Minimum Value
0
Maximum Value
99
Default Value
0
Stop drive before changing this parameter.
Setting
Min./Max.
0
Disabled
1
Normal RA Res (5% Duty Cycle)
2
No Protection (100% Duty Cycle)
3…99
x% Duty Cycle Limited (3…99% of Duty Cycle)