48 Rockwell Automation Publication 750-QS100B-EN-P - August 2020
Step 10: Set Acceleration and Deceleration Times
Step 10: Set Acceleration and Deceleration Times
In this step, you set acceleration and deceleration times for the motor to help protect the drive and motor from overload.
Acceleration and Deceleration Times
The default acceleration time is 10 seconds (from 0 to Motor NP RPM). The default deceleration time is 10 seconds
(from Motor NP RPM to 0).
Some applications with high inertia loads, such as fans and centrifuges, can cause drive overload and other faults
especially during acceleration and deceleration. See Appendix A > High Inertia Loads on page 57
for more information
about optimizing drive parameters.
Use the following procedure to modify acceleration and deceleration times if needed.
1. Navigate to parameter 10:1915 [VRef Accel Time1].
2. Press the EDIT soft key.
3. Edit the value to the desired acceleration time in seconds and press the ENTER soft key.
4. Navigate to parameter 10:1917 [VRef Decel Time1].
5. Press the EDIT soft key.
6. Edit the value to the desired deceleration time in seconds and press the ENTER soft key.
Step 11: Configure Outputs
In this step, you configure analog and digital outputs.
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