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Stop dwell time – Rockwell Automation 20D PowerFlex 700S Drive Ph I Control, Frames 1...11 User Manual

Page 215

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Application Notes

C-5

Stop Dwell Time

Sets an adjustable delay time between detecting zero speed and disabling
the speed and torque regulators, when responding to a stop command.

Important: Consult industry and local codes when setting the value of this

parameter.

Figure C.3 Drive Operation When Parameter 154 [Stop Dwell Time] Equals Zero

Figure C.4 Drive Operation When Parameter 154 [Stop Dwell Time] Equals Zero

P 160 [Zero Speed Lim]

Speed

Dr

iv

e Receiv

es Stop Command

0

Time

Dr

iv

e Detects Zero Speed

and

Tur

ns Off Regulators

When Parameter 154 [Stop Dwell Time] equals zero, the
drive turns off the velocity and torque regulators when it
detects zero speed.

P 160 [Zero Speed Lim]

Speed

Dr

iv

e Receiv

es Stop Command

0

Time

Dr

iv

e Detects Zero Speed

Dr

iv

e

Tur

ns Off Regulators

P 154 [Stop Dwell Time]

When Parameter 154 [Stop Dwell Time] is greater than zero, the drive
delays turning off the velocity and torque regulators for the amount of
time specified by Parameter 154