Rockwell Automation 20P PowerFlex Digital DC Drive User Manual

Page 103

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Rockwell Automation Publication 20P-UM001I-EN-P - February 2013

103

Drive Start Up

Chapter 2

❏ If the speed feedback source is a resolver complete the following

steps:

a.

Select the type of resolver used in Par 423 [Reslvr Type Sel]. See
Resolver Type Selection on page

283

for details on compatible

resolver types.

b. Select the appropriate ratio of resolver electrical to mechanical

turns in Par 424 [Reslvr Spd Ratio].

c.

Configure the resolver to digital conversion resolution and
moving average speed filter period in par 425 [Resolver
Config].

d. Cycle power to the drive in order to set these changes in the

resolver board.

3.

Access the “Speed Command” file.

4.

Press Enter.

5.

With the “Limits” group selected, press Enter.

6.

Configure the following parameters:

❏ Par 1 [Minimum Speed] - Enter the minimum speed reference limit.

❏ Par 2 [Maximum Speed] - Enter the maximum speed required by

the application (this can be above the motor base speed if field
weakening is used).

7.

Access the “Dynamic Control” file.

8.

Press Enter.

9.

Access the “Ramp Rates” group and configure the following parameters:

❏ Par 660 [Accel Time 1] - Set the desired acceleration ramp time.

❏ Par 662 [Decel Time 1] - Set the desired deceleration ramp time.

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