Speed pi regulator overview, B-16, B-16 control block diagrams – Rockwell Automation 1336E IMPACT Adjustable Frequency AC Drive User Manual V 1-4.XX User Manual

Page 354

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B-16

Control Block Diagrams

Speed PI Regulator Overview

You can use the following block diagram to view how the drive uses
the speed PI regulator parameters.

Integrator

V

T

65,535 (for auto–tune)

I

Feed

Forward

Kf Speed Loop

Hold

Q

160

Speed

Reference

82

65,535

K

f

Low

Pass

Filter

+

162

Error
Filter

BW

Kp Speed Loop

159

Hold

S

+

From
Trim
Control

+

Droop

Gain

V

Droop

Percent

X.X%

From

Feedback

Control

From

Feedback

Control

46

Command Spd Sts

Proportional

Gain

8

K

87

Torque Limit Sts

OR

p

=

0

50 (for auto–tune)

Regulator

Enable

+ 600%

+

Torque Limiter

+

– 600%

0

8

P

I

L

C

To

Torque

Reference

Control

Logic

Control

Word

Integral

Gain

I

Ki Speed Loop

158

K

8

8 (for autotune)

Torque Is Limited

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