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Chapter 3 functional description 3-29 – Rockwell Automation 1395 DC Drive, 800-1250 Hp, FRN 5.XX-9.30 User Manual

Page 62

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Chapter 3
Functional Description

3-29

5

VELOCITY PI CONTROL

INTEGRAL

GAIN

FUNCTION

AUTO TUNE

GAIN

KF VELOCITY

LOOP

661

Final

Vel Ref

104

RPM

H

65536

INTEGRATOR

FEED

FORWARD

KF GAIN

REV TORQUE

LIMIT

From Sht 3

TORQUE

MODE
SELECT

625 VALUE

0

1

2

3

SPEED

DETECTION

SLAVE %

100

SLAVE

PERCENT 2

FEEDBACK FILTER 631

4096 = MOTOR BASE SPEED

+

RPM

Velocity

Feed Forward

108

KP VELOCITY

LOOP

660

8

PROPORTIONAL

GAIN

FUNCTION

KP GAIN

TACH

SWITCH KP

690

+

123

0

+

H

C

B

KI GAIN

8.3886

AUTO TUNE

GAIN

KI VELOCITY

LOOP

659

MIN

MAX

+

+

4

5

625

TORQUE

MODE

FWD TORQUE

LIMIT

From Sht 3

B

C

FWD TORQUE

LIMIT

From Sht 3

REV TORQUE

LIMIT

From Sht 3

%

8

TORQUE SELECT

TORQUE

COMMAND

110

4096 = 100%
RATED TORQUE

+

T

S

124

+

+

+

SLAVE PERCENT 2

670

%

+

+

SLAVE %

100

SLAVE

PERCENT

%

SLAVE PERCENT 1

669

POSITION FDBK

107

VELOCITY FDBK

106

To Sheet 3

RPM

4096 = IPU POSITION

%

11

AT SPEED 1 100

12

AT SPEED 2 100

709 UP TO

SPD TOLERANCE

13

AT SPEED 3 100

14

AT SPEED 4 100

15

AT SPEED 5 100

10

AT ZERO SPEED 100

9

AT SET SPEED 100

710 ZERO

SPD TOLERANCE

704 AT

SPEED 1

705 AT

SPEED 2

706 AT

SPEED 3

707 AT

SPEED 4

708 AT

SPEED 5

If 631 = 1,2

T (S) =

W

1

2

(S+W2)

2

W

2

2

(S+W1)

2

35/49 = W

1

= 35

W

2

= 49

20/40 = W

1

= 20

W

2

= 40

W

1

W

2

If 631 = 3

T (S) =

( GAIN/256) (S + W

N

)

S + W

N

SYMBOL

PARAMETER TYPE

SINK

SOURCE

SET UP

TACH

SWITCH KI

689

%

167

Torque Ref 2

4096 = 100%

157

Torque Ref

4096 = 100%

109

Position

Error