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Rockwell Automation 1395 Digital DC Drive FRN 5-10.10/9.30 User Manual

Page 89

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Chapter 5
Functional Description

5-3

Figure 5.1
Functional Overview

Programming

Terminal

Port A

Adapter

Board

Port B

Adapter

Board

Velocity

Feedback

Select

Three-Phase

Disconnect

Three-Phase

Armature

Bridge

Arm.

Armature Sync

& Firing Logic

DC

Speed

Reference

Select

Single-Phase AC

Supply from Three-

Phase Drive Input

Single-Phase

Field Bridge

Preset 1

Preset 2

Preset 3

Preset 4

Preset 5

Jog 1

Jog 2

External
Speed
Reference

Ramp

Control

Optional
Velocity
Feedback
Device

Armature Current Feedback

Three-Phase AC Voltage Feedback

Voltage

Reference

DC Current Feedback

Armature Voltage Feedback

Encoder Velocity

Feedback

Optional DC Tach

Feedback

To Discrete Board

Line Sync

Phase

Angle

Field Current Feedback

3-Ph. Line Sync

To Field

Bridge

L1

L2

L3

Three-Phase Line

Armature

Current

Reference

Interface with

Parameter Table

LEGEND

Hardware

Software

Hardware/Software Interface

Velocity

Control

Armature Current

Control

Drive Logic

Control

Communication Control

Field Flux

Control

Field Sync &

Firing Control

A

B

Torque

Reference

Select

Torque Reference

External

Torque

Reference

MOP

Control