Pacific Scientific 5645 Manuel utilisateur

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5645

Microstepping Indexer / Drive

Installation & Hardware Reference Manual

AUTOMATION TECHNOLOGY GROUP

MOTION TECHNOLOGY DIVISION

110 Fordham Road

Wilmington, MA 01887

(508) 988-9800

Fax (508) 988-9940

Part# 903-564501-04

List Price $25 U.S.

July, 1997

Rev E

Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com

Table of Contents

...............................................

1 Overview of the 5645 Microstep Indexer/Drive 1-1

1.1 5645 Definition . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1

1.2 System Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3

1.3 How to Use this Manual . . . . . . . . . . . . . . . . . . . . . . . . . . 1-4

2 Installing the 5645 Microstep Indexer/Drive 2-1

2.1 Unpacking and Inspecting the 5645 . . . . . . . . . . . . . . . . . . . . 2-1

2.2 Selecting a Motor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-2

2.2.1 Selecting System Components . . . . . . . . . . . . . . . . . . . 2-2

2.3 5645 Safety . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-4

2.4 Mounting the 5645 in Your Installation . . . . . . . . . . . . . . . . . . 2-5

2.5 Connecting the Seven Input/Output Cables . . . . . . . . . . . . . . . . 2-9

2.5.1 J1 Motor Connection . . . . . . . . . . . . . . . . . . . . . . . . 2-11

2.5.2 J2 120 V ac Power Connection . . . . . . . . . . . . . . . . . . . 2-18

2.5.3 J3 Serial Port Connection . . . . . . . . . . . . . . . . . . . . . . 2-19

2.5.4 J4 and J5 Discrete Input/Output Connection . . . . . . . . . . . . 2-27

2.5.5 J6 Encoder/Step and Direction Input Connection . . . . . . . . . . 2-34

2.5.6 J7 Step and Direction Output Connection . . . . . . . . . . . . . . 2-38

2.6 Setting the Switches . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-42

2.6.1 Setting Up Functions Using Switch S1 . . . . . . . . . . . . . . . 2-43

2.6.2 Setting Up Serial Address Using Switch S2 . . . . . . . . . . . . . 2-48

3 Powering Up the 5645 Microstep Indexer/Drive 3-1

3.1 Testing the Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-1

3.2 Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-3

3.2.1 POWER LED Not On . . . . . . . . . . . . . . . . . . . . . . . . 3-4

3.2.2 ENABLED LED Not On . . . . . . . . . . . . . . . . . . . . . . 3-6

3.2.3 STEP ACTIVE LED Not On . . . . . . . . . . . . . . . . . . . . 3-7

3.2.4 POWER FAULT LED On . . . . . . . . . . . . . . . . . . . . . 3-8

Rev E 5645 Hardware and Installation Manual

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3.2.5 OVER TEMP LED On . . . . . . . . . . . . . . . . . . . . . . . 3-9

3.2.6 MICROPROCESSOR FAULT LED ON . . . . . . . . . . . . . 3-10

3.2.7 Communications Interface Fault . . . . . . . . . . . . . . . . . 3-11

Appendix A - Specifications A-1

Appendix B - Order Number and Ordering Information B-1

Appendix C - Series/Parallel Connections C-1

Index

5645 Hardware and Installation Manual Rev E

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1 Overview of the 5645

Microstep Indexer/Drive

In this Chapter

This Chapter introduces the 5645 Microstep Indexer/Drive.

Topics covered are:



5645 definition



System diagram



How to use this manual

1.1 5645 Definition

Overview

The Pacific Scientific® 5645 Microstep Indexer/Drive combines

a high-performance, bipolar chopper drive with a Pacific

Scientific StepperBASIC™ programmable indexer for stepper

motor motion control.

Drive features

The output current of the 5645 is switch selectable for current of

5.0 to 8.0 amps/phase RMS (7.1 to 11.3 amps peak) with a

160-volt nominal dc bus. The 5645 is factory preset at 5.0

amps/phase RMS.

Bipolar chopper drive -controls motor current at 20 kHz

chopper frequency.

Internal power supplies - operate from the 120-volt ac input.

The main motor supply consists of a full wave bridge rectifier

into a capacitive input filter with in-rush current limiting.

Shunt regulator circuitry -protects the drive by removing

energy from the supply if the dc bus voltage exceeds 200 volts.

This feature protects the circuitry from excessive voltage that

may be generated under certain motor deceleration conditions.

Short circuit protection circuitry - latches the drive off and

lights the POWER FAULT LED if a short circuit occurs on the

motor outputs. After removing the short circuit, reset the 5645

by switching the power Off and then On.

Status indicators - LEDs for operation and troubleshooting

information.

5645 Installation and Hardware Manual 1 - 1

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User-defined

functions

Mid-range instability control - eliminates loss of torque and

possible motor stalling when operating at mid-range speeds. This

instability is a phenomenon of the electronic, magnetic, and

mechanical characteristics of a stepping motor system. When

enabled, mid-range instability control damps mid-range

oscillations by advancing or delaying the switching of the output

transistors relative to the incoming pulse train.

Step size - sets the amount of rotation per step. The five settings

range from full step to fractions of a full step (microsteps). The

microstep settings range from 1/2 to 1/125 microsteps per step for

up to 25,000 steps/revolution with a standard 1.8ostepper motor.

Idle current reduction (ICR) - reduces motor winding current

by 50% during motor dwell periods. ICR begins one second after

the last input step pulse occurs.

Current - sets the output current supplied to the motor. The

available RMS current settings are 5, 6, 7.5, and 8 amps.

Indexer

features

The indexer circuitry provides programmable motion control and

allows flexible interfacing to the application.

Pacific Scientific StepperBASIC™-programming language

with over 100 instructions, combines the ease of the

programming language BASIC with sophisticated motion control

features.

Serial port RS-232 or RS-422/485 communications -interfacing

the user computer or terminal for programming and/or computer

control. RS-422/485 control allows multiple 5645 units to be

controlled from a single computer or terminal.

12 outputs - user programmable outputs to external devices. One

output is program-selectable to indicate motor moving.

16 inputs - user programmable inputs from external devices. Six

inputs can be pre-defined for limit, start, stop, and jog functions.

1 - 2 5645 Installation and Hardware Manual

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Encoder inputs - for position verification, or for electronic

gearing. Alternatively, these inputs can be redefined for external

step and direction control.

Step and direction outputs - outputs step and direction signals

for control of another drive.

Memory - indexer memory capacity is 12K bytes (battery-backed

RAM).

Typical

applications

Typical applications for the 5645 microstep indexer/drive include:



X-Y tables and slides



Packaging machinery



Feed to length



Labeling machines

1.2 System Diagram

The following diagram shows an installation of the drive in a

typical system. Your installation may vary from this

configuration. Typical components used with the 5645 include:



Motor



Computer or terminal



External switches

Selection and installation guidelines for these components are

described in Chapter 2, “Installing the 5645 Microstep

Indexer/Drive.”

5645 Installation and Hardware Manual 1 - 3

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System

Diagram

5645

INDEXER

DRIVE

CH A

CH B

CASE GND

MOTOR

N/C

CH A (STEP)

CH B (DIR)

CH Z

+5 VDC

+5 RTN

STEP OUT

DIR OUT

ENABLE

I/O RTN

+5 VDC

FAULT OUT

N/C

I/O RTN

OUTPUT 12

OUTPUT 11

OUTPUT 10

OUTPUT 9

OUTPUT 8

OUTPUT 7

I/O RTN

INPUT 16

INPUT 15

INPUT 14

INPUT 13

INPUT 12

INPUT 11

INPUT 10

INPUT 9

1N/C

2INPUT 1

3INPUT 2

4INPUT 3

5INPUT 4

6INPUT 5

7INPUT 6

8INPUT 7

9INPUT 8

I/O RTN

OUTPUT 1

OUTPUT 2

I/O RTN 17

OUTPUT 6 16

OUTPUT 5 15

OUTPUT 4 14

OUTPUT 3 13

1+5 VDC RTN

TXD 232

RXD 232

+5 VDC

TXD (+)

7TXD (-)

8RXD (+)

RXD (-)

5COMMON

120/230 VAC

50/60 HZ

POWER

1 - 4 5645 Installation and Hardware Manual

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1.3 How to Use this Manual

This manual contains information and procedures to install, set

up, test with simple commands, and troubleshoot the 5645. Refer

to the StepperBASIC Programming Manual for programming

instructions and reference.

5645 Installation and Hardware Manual 1 - 5

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2 Installing the 5645 Microstep

Indexer/Drive

In this Chapter

This Chapter explains how to install the 5645 Microstep

Indexer/Drive. Topics covered are:



Unpacking and inspecting the 5645



Selecting a motor



5645 safety



Mounting the 5645 in your installation



Connecting input/output cabling



Selecting switch functions

2.1 Unpacking and Inspecting the 5645

Unpacking

procedure

1. Remove the 5645 from the shipping carton. Make sure all

packing materials are removed from the unit.

2. Check the items against the packing list. A label located on

the side of the unit identifies the unit by model number,

serial number, and date code.

Inspection

procedure

Inspect the unit for any physical damage that may have been

sustained during shipment.

If you find damage, either concealed or obvious, contact your

buyer to make a claim with the shipper. Do this as soon as

possible after receipt of the unit.

Storing the unit

Store the 5645 in a clean, dry place. The storage temperature

must be between -55 degrees C and 70 degrees C. To prevent

damage during storage, replace the unit in the original shipping

carton.

5645 Installation and Hardware Manual 2 - 1

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