Allen-Bradley PLC-3 Series User manual

Quick Start

for Experienced

Users

PLC3 Family

Programmable

Controllers

AllenBradley

product icon

Because of the variety of uses for the products described in this

publication, those responsible for the application and use of this

control equipment must satisfy themselves that all necessary steps

have been taken to assure that each application and use meets all

performance and safety requirements, including any applicable laws,

regulations, codes and standards.

The illustrations, charts, sample programs and layout examples

shown in this guide are intended solely for purposes of example.

Since there are many variables and requirements associated with any

particular installation, Allen-Bradley does not assume responsibility

or liability (to include intellectual property liability) for actual use

based upon the examples shown in this publication.

Allen-Bradley publication SGI-1.1, Safety Guidelines for the

Application, Installation, and Maintenance of Solid-State Control

(available from your local Allen-Bradley office), describes some

important differences between solid-state equipment and

electromechanical devices that should be taken into consideration

when applying products such as those described in this publication.

Reproduction of the contents of this copyrighted publication, in

whole or in part, without written permission of Allen-Bradley

Company, Inc., is prohibited.

Throughout this manual we use notes to make you aware of safety

considerations:

!ATTENTION: Identifies information about practices

or circumstances that can lead to personal injury or

death, property damage or economic loss.

Attention statements help you to:

•identify a hazard

•avoid the hazard

•recognize the consequences

Important: Identifies information that is critical for successful

application and understanding of the product.

Important User

Information

Overview P-1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Using

this Quick Start

P-1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

What You Need to Do P-1

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

System Components used in this Quick Start P-2

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

IfY

ou Need Help ...

P-3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Configure and Ground I/O and Processor Chassis 1-1. . . . . . .

Configure

I/O Chassis

1-1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Configure Processor Chassis 1-2

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

Ground Processor and I/O Chassis 1-2

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

Install

Power Supply

2-1. . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Install1775P3 Power Supply into the PLC3/10

(or singlechassis PLC3) 2-1

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

Install1775P1 Power Supply into the PLC3 2-3

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

InstallProcessor

, Memory

, and Scanner Modules 3-1. . . . . . .

Connect Front Panel Cable and Install Processor 3-1. . . . . . . . . . . . .

InstallMemory Module(s) 3-1

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

InstallI/O Scanner Module(s) 3-2

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

Install,Wire, and Connect I/O 4-1. . . . . . . . . . . . . . . . . . . . . . .

Installand Wire I/O Modules 4-1. . . . . . . . . . . . . . . . . . . . . . . . . . . .

Connect

I/O

4-2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Configure a Personal Computer 5-1. . . . . . . . . . . . . . . . . . . . .

Configure and Connect 1770T4 Programming Terminal 5-1. . . . . . . .

Connect to Personal Computer 5-2

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

Troubleshooting and Specifications 6-1. . . . . . . . . . . . . . . . .

Powersupply Module Indicators 6-1. . . . . . . . . . . . . . . . . . . . . . . . .

Specifications 6-1

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

Table of Contents

Preface

Publication 177510.1 - March 1996

Overview

This quick start is designed to help you quickly install and connect a

basic PLC-3 family programmable controller system. Use this guide

if you are knowledgeable about PLC-3 family products but may not

have used one or more of the products for a period of time. The

information we provide is geared to “jog your memory.”

step 1

step

Configure I/O chassis

(page 11)

Ground I/O chassis

(page 11)

Install 1775P3 power supply

(page 21)

Install memory module(s)

(page 41)

Install I/O scanner module(s)

(page 42)

Install the processor module

(page 41)

Install 1775P1 power supply

(page 23)

Connect front panel cable

(page 31)

For more information, see the PLC3 Programmable Controllers

Installation and Operations Manual, publication 17756.7.1.

PLC3

Controller

1775S5

Scanner

1775SR5

Scanner

PLC3/10

Controller

DH +

Link

For more

information...

cConfigure processor chassis

(page 41)

Install I/O and Processor Chassis

Install Power Supply

Install Modules

Using this Quick Start

What You Need to Do

OverviewP–2

Publication

177510.1 - March 1996

4step

5step

Install and wire I/O modules

(page 51)

Connect I/O to scanner

(page 52)

Configure and connect a programming terminal

(page 61)

Install and Connect I/O

Product name: Catalog number:

I/O chassis 1771A1B, A2B, A3B, A4B

power supply •1775P3 (PLC3/10)

•1775P1, P3 (PLC3)

processor chassis •1775A1, A2 (PLC3)

•1775A3 (PLC3/10)

front panel cable 1775CAK

processor •1775L4 (PLC3/10)

•1775L3 (PLC3)

memory module(s) •1775MS4, MS8, MSA, MSD (PLC3/10)

•1775ME4, ME8, MEA, MED, MEF (PLC3)

I/O scanner module(s) 1775S4A, S4B, S5, SR5, SR

I/O modules 1771IE

programming terminal 1770T4, 1784T45, T47, T50, IBMcompatible PC

using 6200 or AI series PLC3 programming software

PLC3 industrial terminal cable 1775CAT

Belden 8723 cable or equivalent 1778CR

25pin male connector kits 1770XXP

DH+ cable 1784CP

System Components

used in this Quick Start

Overview P–3

Publication

177510.1 - March 1996

If you need additional assistance in installing or connecting your

PLC-3 family programmable controller system, start with the

troubleshooting section in the appendix of this quick start. If you still

experience difficulty, call 1-800-9NEWLIT to order one of the

publications suggested below or contact your Allen-Bradley service

representative.

Publication title: Publication number:

PLC3 Programmable Controllers Installation and Operation Manual 17756.7.1

PLC3 Family Programmable Controllers Programming Reference Manual 17756.4.1

AllenBradley PLC3 Power Supply (1775P1) Product Data 17752.4

PLC3, 3/10 Family Memory Modules Installation Data 17752.27

PLC3/10 Power Supply Module Installation Instructions 17755.1

PLC3 Family I/O Scanner CommunicationAdapter Module User Manual 17756.5.5

I/O ScannerProgrammer Interface Module User's Manual 17756.5.2

I/O ScannerMessage Handling Module 17756.5.3

PLC3 Programmable Controller Backup Systems User Manual 1775-6.3.1

AB

If You Need Help ...

Step 1

Publication

177510.1 - March 1996

Configure and Ground I/O and

Processor Chassis

Configure I/O Chassis

12345678

First I/O group number

I/O rack number

Address Switch Assembly

(S1)

Switch Assembly (S2) Pressed in at top

Closed (ON)

Pressed in at bottom

Open (OFF)

1234 56

Switch Position

1 2

57.6K Baud  10,000ft

15.2K Baud  5,000ft

Not Used

Maximum

I/O

chassis distance Link Response  ON for series B emulation

Scan  On for all but last 4 slots

Off for all slots

OFF for unrestricted

Always OFF

ATTENTION: Link response switch must

be ON when using the following scanner modules:

1775S4A

1775S4B

1775S5

1775SR5

1775SR

ON OFF

OFF OFF

ON ON

230.4K Baud  2,500ft

OFF

1230.4K

Baud with 1775S5 revision A/G and

later

, and 1775SR5 revision A/G and later

scanners only.

Off

Set the backplane switches.

Keying

Bands

Install keying bands.

b1771 I/O

Module

See the appropriate product data for the module

you are installing to determine the proper keying

positions for each module.

1–2

Configure and Ground I/O and Processor Chassis

Publication

177510.1 - March 1996

Configure Processor Chassis

Set the backplane switches located near the upper lefthand corner of the chassis backplane.

If you:

are not using expansion chassis

are using expansion chassis

number the chassis:

set the chassis number to 0

(processor module must be in chassis 0)

consecutively starting with 0

Switch:

123

Chassis Number

off

on on

onoff

off

off off

off

ATTENTION: Number the chassis so that chassis o and the highest

numbered chassis have the same power supply

. Failure to configure the

chassis in this way could result in unpredictable operation.

Ground Processor and I/O Chassis

Enclosure

Grounding electrode conductor

To grounding

electrode

system

Ground

bus

I/O chassis wall

Ground

lug Nut

Star

washer

Ground lug

Step 2

Publication

177510.1 - March 1996

Install Power Supply

Install 1775P3 Power Supply into the PLC3/10

(or singlechassis PLC3)

PLC3/10 chassis

CF2

CF1

backplane

20417M

Feed the dc power cable under the

module guides along the backplane.

Install

the dc power cable.

Squeeze the side tabs of the plugs

as you connect them to the backplane.

bPlug the cable assembly into the connectors on the powersupply module,

connect the 8pin control connector cable to the power

supply module, and

insert the power

supply module in the rightmost slot of the chassis.

PLC3/10 chassis

20418M

Insert and tighten all six screws

on the outside of the chassis.

P2 P1

1775P3

powersupply

module

Squeeze the side tabs of the plugs

as you connect them to the module.

Connect the cable

at the 8pin connector.

When

you install the 1775P3 power supply into a PLC3/10, if

there is a jumper plug (PN 96744701) installed on the

8pin controlconnector terminals, remove and discard it.

2–2

Install Power Supply

Publication

177510.1 - March 1996

Selector Switch Selector Switch

230V

115V

230V

115V

Terminal Strip Terminal Strip

115V AC

L2/N

GND

N.C.

COM.

N.O.

230V AC

L2/N

GND

N.C.

COM.

N.O.

115V ac operation 230V ac operation

20419M

cSet

the voltage switch for the proper range.

!ATTENTION: Be

sure to set the voltage selection switch

properly or you may damage the powersupply module.

dConnect

the ac power line to the terminal strip on the power

supply module

and connect any relay wires, then insert the PLC3/10 module(s) into the

chassis and turn the ac power on.

Close the front door of the chassis and rotate the two retaining

screws approximately 21/2 turns counterclockwise.

Indicator Normal Operation Means

AC ON

AC OK

DC OK

red

green

ac power is supplied to the unit

ac line voltage is equal to or greater

than the required minimum ac voltage

the supply's internal dc voltages

are in their proper operating range

Turn

on dc power and make sure the indicators on the

powersupply module are lit as follows:

you don't see this, refer to chapter 8 for troubleshooting information.

Table of contents

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