Rockwell Automation MD60 User Manual Version 3.0 - Manual (Page 64)

9-14 MD60 AC Drive User Manual
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Sets the length of time DC brake current is “injected” into the motor.
Refer to A081 (DC Brake Level).
Defines the maximum DC brake current, in amps, applied to the
motor when Stop Mode (P037) is set to either DC Brake or Ramp.
See figure 9.5.
A080 DC Brake Time
Range: 0.0 to 90.0 sec
Default: 0.0 sec
See also: A081
A081 DC Brake Level
Range: 0.0 to (Drive Amps x 1.8)
Default: Amps x 0.5
See also: P037, A080
!
ATTENTION: If a hazard of injury due to movement
of equipment or material exists, an auxiliary
mechanical braking device must be used.
ATTENTION: This feature should not be used with
synchronous or permanent magnet motors. Motors
may be demagnetized during braking.
Figure 9.5 – DC Brake Level (A081)
DC Injection Braking Mode
V
olts/S
p
eed
Voltage
Time
Stop Command
Speed
[DC Brake Level]
[DC Brake Time]
V olts/S
p eed
Ramp-to-Stop Mode
Time
Stop Command
[DC Brake Level]
[DC Brake Time]
Voltage
Speed