Owner's manual

ManualsBrandsRockwell Automation ManualsEquipment1557 MEDIUM VOLTAGE AC DRIVE

5-10 DESCRIPTION OF OPERATION

1557-UM050F-EN-P – June 2013

Tach

feedback

(V348)

Slip

frequency

(V343)

Stator

frequency

(V337)

Speed Feedback Mode

(P89)

-

-1

Logic status bit 3 (V258)

(Forward rotation)

SPEED

FEEDBACK

FILTER

Speed fdbk filter

(P110)

Speed

reference

(V278)

from

sync

transfer

Sync spdref

SPEED

REGULATOR

RATE

LIMIT

TORQUE

LIMITING

Trq command 0

(P86)

Trq command 1

(P87)

Ramp speed 1

(P73)

Speed ref step (P88)

-

Speed

error

(V290)

Spdreg

bandwidth

(P81)

Total

Inertia

(P82)

Trq rate

limit (P83)

Start mode

STARTING TORQUE

PROGRAMMING

1

0

Trq limit

motoring

(P84)

Trq limit

braking

(P85)

Filter capacitor

(P133)

SPEED CONTROL

L Total

leakage

(P130)

Icq

command

(V293)

-

Flux

reference

(V305)

Logic Status Bit (V258)

(Running)

Speed

Feedback

(V289)

ISQ

Command

(V292)

IY

Command

(V294)

Torque

Reference

(V291)

Speed Control