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Functions Common to all the Control Modes
12
CFW700 | 12-17
12.6 DC BRAKING
NOTE!
The DC Braking on the start and/or stop will not be active if P0202=5 (Vector with Encoder mode).
NOTE!
The DC Braking at start does not act when the Flying Start function is active (P0320=1 or 2).
The DC Braking consists in the application of direct current to the motor, allowing its fast stopping.
Table 12.5:
Parameters related to the DC braking
Control Mode
DC Braking at Starting
DC Braking at Stopping
V/f scalar
P0299 and P0302
P0300, P0301 and P0302
VVW
P0302 and P0299
P0300, P0301 and P0302
Sensorless Vector
P0299 and P0372
P0300, P0301 and P0372
P0299 - Starting DC-Braking Time
Adjustable
Range:
0.0 to 15.0 s
Factory
Setting:
0.0 s
Properties:
V/f, VVW and Sless
Access groups
via HMI:
Description:
This parameter sets the DC braking time at starting.
INJECTION OF DIRECT
CURRENT AT STARTING
Motor Speed
Time
DC Braking
Run
Stop
P0299
P0302/P0372
(V/f, V V W)/(Sensorless)
Time
Figure 12.8:
DC braking operation at starting
Summary of Contents for CFW700
Page 2: ......
Page 4: ......
Page 8: ...Summary...
Page 34: ...2 General Information 2 4 CFW700...
Page 38: ...3 About the CFW700 3 4 CFW700...
Page 56: ...7 Starting up and Settings 7 4 CFW700...
Page 58: ...8 Available Control Types 8 2 CFW700...
Page 78: ...10 VVW Control 10 8 CFW700...
Page 158: ...13 Digital and Analog Inputs and Outputs 13 28 CFW700...