Rockwell Automation 284E ArmorStart with EtherNet/IP - User Manual - Manual (Page 170)

170 Rockwell Automation Publication 280E-UM001B-EN-P – July 2012
Chapter 7 Bulletin 280E/281E/284E Programmable Parameters
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 Drive Advanced Setup
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.
Time
[DC Brake Level]
[DC Brake Time]
Stop Command
Speed
Voltage
V
olts Speed
[DC Brake Level]
[DC Brake Time]
Time
Voltage
Speed
Stop Command
V
olts Speed
DC Injection Braking Mode Ramp-to-Stop Mode
}
}
}
}
DB Resistor Sel
Stop drive before changing this parameter.
Enables/disables external dynamic braking.
Parameter Number 182
Related Parameters 137
Access Rule GET/SET
Data Type UINT
Group Drive Advanced Setup
Units 1
Minimum Value 0
Maximum Value 99
Default Value 0
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)