Pacific Scientific 5345 Manual de usuario

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5345/5445

Microstepping Indexer / Drive

Installation & Hardware Reference Manual

AUTOMATION TECHNOLOGY GROUP

MOTION TECHNOLOGY DIVISION

110 Fordham Road

Wilmington, MA 01887

(978) 988-9800

Fax (978) 988-9940

Part# 903-544501-04

List Price $25 U.S.

September, 1997

Rev F

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Table of Contents

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

1 Overview of the 5345/5445 Microstep Indexer/Drive 1-1

1.1 5345/5445 Definition . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1

1.2 System Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-4

1.3 How to Use This Manual . . . . . . . . . . . . . . . . . . . . . . . . . . 1-5

2 Installing the 5345/5445 Microstep Indexer/Drive 2-1

2.1 Unpacking and Inspecting the 5345/5445 . . . . . . . . . . . . . . . . . 2-1

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

2.3 5345/5445 Safety . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-4

2.4 Mounting the 5345/5445 in Your Installation . . . . . . . . . . . . . . . 2-4

2.5 Connecting the Seven Input/Output Cables . . . . . . . . . . . . . . . . 2-8

2.5.1 J1 Motor Connection . . . . . . . . . . . . . . . . . . . . . . . . 2-10

2.5.2 J2 120\230 Vac Power Connection . . . . . . . . . . . . . . . . . 2-17

2.5.3 J3 Serial Port Connection . . . . . . . . . . . . . . . . . . . . . . 2-18

2.5.4 J4 and J5 Discrete Input/Output Connection . . . . . . . . . . . . 2-26

2.5.5 J6 Encoder/Step and Direction Input Connection . . . . . . . . . . 2-33

2.5.6 J7 Step and Direction Output Connection . . . . . . . . . . . . . . 2-37

2.6 Setting the Switches . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-41

2.6.1 Setting Up Functions Using Switch S1 . . . . . . . . . . . . . . . 2-42

2.6.2 Setting Up Serial Addresses Using Switch S2 . . . . . . . . . . . 2-47

3 Powering Up the 5345/5445 Microstep Indexer Drive 3-1

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

3.2 Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-4

3.2.1 POWER LED Not On - 5345/5445 Does Not Power Up . . . . . . 3-5

3.2.2 DISABLE FAULT LED On - 5345/5445 Disable Fault . . . . . . 3-7

3.2.3 LEDs Do Not Respond - Communications Interface Fault . . . . . 3-8

5345/5445 Hardware and Installation Manual Rev F

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Appendix A - Specifications A-1

Appendix B - Order Number and Ordering Information B-1

Appendix C - Series/Parallel Connections C-1

Index

Rev F 5345/5445 Hardware and Installation Manual

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1 Overview of the 5345/5445

Microstep Indexer/Drive

In this Chapter

This Chapter introduces the 5345/5445 Microstep Indexer/Drive.

Topics covered are:



5345/5445 definition



System diagram



How to use this manual

1.1 5345/5445 Definition

Overview

The Pacific Scientific5345/5445 Microstep Indexer/Drive

combines a high-performance, bipolar chopper drive with a

Pacific Scientific StepperBASICprogrammable indexer for

stepper motor motion control.

Drive features

Output current - 5.0 Amps per phase in full step mode (2.5

Amps per phase for the 5345) and 3.5 Amps per phase in

microstep mode (1.75 Amps per phase for the 5345).

Bipolar chopper drive -controls motor current at 20 KHz

chopper frequency.

Internal power supplies -operates from either the 120 or 230

Vac input. The main motor supply consists of a full wave bridge

rectifier into a capacitive input filter.

Shunt regulator circuitry -protects the drive by removing

energy from the supply if the dc bus voltage exceeds 84 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 DISABLE LED if a short circuit occurs on the motor

outputs. After removing the short circuit, the DISABLE LED

will go off. Reset the 5345/5445 by cycling power.

Rev F 5345/5445 Installation and Hardware Manual 1 - 1

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Microstep power boost switch - increases the drive current in

microstep mode at speeds above 500 Full Steps/sec. The rms

microstep current level while microstepping is 70% of the full

step rated current, the current boost feature boosts current by a

factor of 1.4 and brings winding current back to rated levels.

Status indicators - LEDs for operation and troubleshooting

information.

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.

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 5345/5445 units to

be controlled from a single computer or terminal.

1 - 2 5345/5445 Installation and Hardware Manual Rev F

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Indexer

features

(contd)

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.

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 5345/5445 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 5345/5445

include:



Motor



Computer or terminal



External switches

Selection and installation guidelines for these components are

described in Chapter 2, “Installing the 5345/5445 Microstep

Indexer/Drive.”

Rev F 5345/5445 Installation and Hardware Manual 1 - 3

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System

Diagram

Note: 230 Vac is for use with 5345-230 and 5445-230 ONLY.

5345/5445

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 5345/5445 Installation and Hardware Manual Rev F

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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 5345/5445.

Refer to the StepperBASIC Programming Manual for

programming instructions and reference.

Rev F 5345/5445 Installation and Hardware Manual 1 - 5

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2 Installing the 5345/5445

Microstep Indexer/Drive

In this Chapter

This Chapter explains how to install the 5345/5445 Microstep

Indexer/Drive. Topics covered are:



Unpacking and inspecting the 5345/5445



Selecting a motor



5345/5445 safety



Mounting the 5345/5445 in your installation



Connecting input/output cabling



Selecting switch functions

2.1 Unpacking and Inspecting the 5345/5445

Unpacking

procedure

1. Remove the 5345/5445 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 5345/5445 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.

Rev F 5345/5445 Installation and Hardware Manual 2 - 1

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