User Manual Owner's manual

146 Rockwell Automation Publication 290D-UM001A-EN-P - June 2012
Chapter 4 Bulletin 290D/291D/294D Programmable Parameters
DCBrakeTime
Sets the length of time that DC brake current is
injected into the motor. Refer to Parameter 76
(DCBrakeLevel).
Parameter Number 75
Related Parameters 32, 76
Access Rule GET/SET
Data Type UINT
Group Advanced Config.
Units x.x secs
Minimum Value 0.0
Maximum Value
99.9
(Setting of 99.9 = Continuous)
Default Value 0.0
DCBrakeLevel
Defines the maximum DC brake current, in amps,
applied to the motor when Parameter 32
(StopMode) is set to either
0 = RAMP or 2 = DC BRAKE.
For 0.5 Hp units – Min = 0; Max = 2.7; Default = .1
For 1.0 Hp units – Min = 0; Max = 4.5; Default = .1
For 2.0Hp units – Min = 0; Max = 7.5; Default = .2
Parameter Number 76
Related Parameters 32, 75
Access Rule GET/SET
Data Type UINT
Group Advanced Config.
Units x.x Amps
Minimum Value 0.0
Maximum Value Hp Dependant
Default Value Hp Dependant
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
Volts Speed
[DC Brake Level]
[DC Brake Time]
Time
Voltage
Speed
Stop Command
Volts Speed
DC Injection Braking Mode
Ramp-to-Stop Mode
}
}
}
}