WEG CFW700, Programming And Troubleshooting Manual

Page: 155 / 223

Digital and Analog Inputs and Outputs
13
CFW700 | 13-25
Table 13.8: Stop mode selection
P0229 Description
0 = Ramp to Stop The inverter will apply the ramp programmed P0101 and/or P0103.
1 = Coast to Stop The motor will run free until stopping.
2 = Fast Stop
The inverter will apply a null ramp (time = 0.0 second), in order to stop the motor in the
shortest possible time.
3 = By Ramp with Iq* reset
The inverter will apply the deceleration ramp programmed in P0101 or P0103, and will
reset the torque current reference.
4 = Fast Stop with Iq* reset
The inverter will apply a null ramp (time = 0.0 second), in order to stop the motor in the
shortest possible time, and will reset the torque current reference.
NOTE!
When the control modes V/f or V V W are selected, the use of the option 2 (Fast Stop) is not
recommended.
NOTE!
When the Coast to Stop mode, is programmed and the Flying-Start function is not enabled, then
start the motor again only if it is standing still.
NOTE!
Options 3 and 4 will operate only with P0202=5.
The difference in behavior, compared to the options 0 and 2, is in the torque current reference (Iq*)
reset. This reset occurs during the inverter state transition from Run to Ready, after executing a
Stop command. The purpose of the options 3 and 4 is to avoid that a high current reference value
is stored in the speed regulator when, for instance, using a mechanical brake to stop the motor
shaft before its speed is null.