Rockwell Automation 1769-L31 Manuale utente

Installation Instructions

1769-L31 CompactLogix Controller

Catalog Number 1769-L31

Topic Page

Important User Information 2

Environment and Enclosure Information 3

Prevent Electrostatic Discharge 4

North American Hazardous Location Approval 5

Before You Begin 6

Connect the 1769-BA Battery 7

Install a 1784-CF64 or 1784-CF128 Industrial CompactFlash Card (optional) 8

Assemble the System 9

Mount the System 11

Make RS-232 Connections to the Controller 15

Load the Controller Firmware 19

Select the Controller’s Operating Mode 24

Specifications 28

Additional Resources 31

21769-L31 CompactLogix Controller

Publication 1769-IN069C-EN-P - May 2008

Important User Information

Solid state equipment has operational characteristics differing from those of electromechanical

equipment. Safety Guidelines for the Application, Installation and Maintenance of Solid State Controls

(Publication SGI-1.1 available from your local Rockwell Automation sales office or online at

http://literature.rockwellautomation.com) describes some important differences between solid state

equipment and hard-wired electromechanical devices. Because of this difference, and also because of

the wide variety of uses for solid state equipment, all persons responsible for applying this equipment

must satisfy themselves that each intended application of this equipment is acceptable.

In no event will Rockwell Automation, Inc. be responsible or liable for indirect or consequential damages

resulting from the use or application of this equipment.

The examples and diagrams in this manual are included solely for illustrative purposes. Because of the

many variables and requirements associated with any particular installation, Rockwell Automation, Inc.

cannot assume responsibility or liability for actual use based on the examples and diagrams.

No patent liability is assumed by Rockwell Automation, Inc. with respect to use of information, circuits,

equipment, or software described in this manual.

Reproduction of the contents of this manual, in whole or in part, without written permission of Rockwell

Automation, Inc., is prohibited.

Throughout this manual, when necessary, we use notes to make you aware of safety considerations.

WARNING

Identifies information about practices or circumstances that can cause an explosion in

a hazardous environment, which may lead to personal injury or death, property

damage, or economic loss.

IMPORTANT

Identifies information that is critical for successful application and understanding of

the product.

ATTENTION

Identifies information about practices or circumstances that can lead to personal

injury or death, property damage, or economic loss. Attentions help you identify a

hazard, avoid a hazard and recognize the consequences.

Labels may be on or inside the equipment (for example, drive or motor) to alert people

that dangerous voltage may be present.

Labels may be on or inside the equipment (for example, drive or motor) to alert people

that surfaces may reach dangerous temperatures.

SHOCK HAZARD

BURN HAZARD

1769-L31 CompactLogix Controller 3

Publication 1769-IN069C-EN-P - May 2008

Environment and Enclosure Information

ATTENTION

This equipment is intended for use in a Pollution Degree 2 industrial

environment, in overvoltage Category II applications (as defined in IEC

publication 60664-1), at altitudes up to 2000 meters (6562 feet) without

derating.

This equipment is considered Group 1, Class A industrial equipment according

to IEC/CISPR Publication 11. Without appropriate precautions, there may be

potential difficulties ensuring electromagnetic compatibility in other

environments due to conducted as well as radiated disturbance.

This equipment is supplied as open-type equipment. It must be mounted within

an enclosure that is suitably designed for those specific environmental

conditions that will be present and appropriately designed to prevent personal

injury resulting from accessibility to live parts. The enclosure must have

suitable flame-retardant properties to prevent or minimize the spread of flame,

complying with a flame spread rating of 5VA, V2, V1, V0 (or equivalent) if

non-metallic. The interior of the enclosure must be accessible only by the use

of a tool. Subsequent sections of this publication may contain additional

information regarding specific enclosure type ratings that are required to

comply with certain product safety certifications.

In addition to this publication, see:

Industrial Automation Wiring and Grounding Guidelines, publication

1770-4.1 for additional installation requirements

NEMA Standards publication 250 and IEC publication 60529, as

applicable, for explanations of the degrees of protection provided by

different types of enclosure.

41769-L31 CompactLogix Controller

Publication 1769-IN069C-EN-P - May 2008

Prevent Electrostatic Discharge

ATTENTION

This equipment is sensitive to electrostatic discharge, which can cause

internal damage and affect normal operation. Follow these guidelines when

you handle this equipment:

Touch a grounded object to discharge potential static.

Wear an approved grounding wriststrap.

Do not touch connectors or pins on component boards.

Do not touch circuit components inside the equipment.

Use a static-safe workstation, if available.

Store the equipment in appropriate static-safe packaging when not in

use.

ATTENTION

This product is grounded through the DIN rail to chassis ground. Use zinc

plated yellow-chromate steel DIN rail to assure proper grounding. The use of

other DIN rail materials (for example, aluminum or plastic) that can corrode,

oxidize, or are poor conductors, can result in improper or intermittent

grounding. Secure DIN rail to mounting surface approximately every 200 mm

(7.8 in.) and use end-anchors appropriately.

WARNING

If you insert or remove the module while backplane power is on, an electrical

arc can occur. This could cause an explosion in hazardous location

installations.

Be sure that power is removed or the area is nonhazardous before proceeding.

WARNING

When you connect or disconnect the battery an electrical arc can occur. This

could cause an explosion in hazardous location installations. Be sure that the

area is nonhazardous before proceeding.

For Safety information on the handling of lithium batteries, including handling

and disposal of leaking batteries, see Guidelines for Handling Lithium

Batteries, publication AG 5-4

WARNING

If you connect or disconnect the serial cable with power applied to this module

or the serial device on the other end of the cable, an electrical arc can occur.

This could cause an explosion in hazardous location installations.

Be sure that power is removed or the area is nonhazardous before proceeding.

1769-L31 CompactLogix Controller 5

Publication 1769-IN069C-EN-P - May 2008

North American Hazardous Location Approval

WARNING

When you insert or remove the CompactFlash Card while power is on, an

electrical arc can occur. This could cause an explosion in hazardous location

installations. 

Be sure that power is removed or the area is nonhazardous before proceeding.

The following information applies when

operating this equipment in hazardous

locations.

Informations sur l’utilisation de cet

équipement en environnements dangereux.

Products marked "CL I, DIV 2, GP A, B, C, D" are suitable for

use in Class I Division 2 Groups A, B, C, D, Hazardous

Locations and nonhazardous locations only. Each product is

supplied with markings on the rating nameplate indicating

the hazardous location temperature code. When

combining products within a system, the most adverse

temperature code (lowest "T" number) may be used to help

determine the overall temperature code of the system.

Combinations of equipment in your system are subject to

investigation by the local Authority Having Jurisdiction at

the time of installation.

Les produits marqués "CL I, DIV 2, GP A, B, C, D" ne

conviennent qu'à une utilisation en environnements de

Classe I Division 2 Groupes A, B, C, D dangereux et non

dangereux. Chaque produit est livré avec des marquages sur

sa plaque d'identification qui indiquent le code de

température pour les environnements dangereux. Lorsque

plusieurs produits sont combinésdansun système, le code de

température le plus défavorable (code de température le plus

faible) peut être utilisé pour déterminer le code de

température global du système. Les combinaisons

d'équipements dans le système sont sujettes à inspection par

les autorités locales qualifiées au moment de l'installation.

WARNING

EXPLOSION HAZARD -

• Do not disconnect equipment unless

power has been removed or the

area is known to be nonhazardous.

• Do not disconnect connections to

this equipment unless power has

been removed or the area is known

to be nonhazardous. Secure any

external connections that mate to

this equipment by using screws,

sliding latches, threaded

connectors, or other means

provided with this product.

• Substitution of components may

impair suitability for Class I,

Division 2.

• If this product contains batteries,

they must only be changed in an

area known to be nonhazardous.

AVERTISSEMENT

RISQUE D’EXPLOSION –

• Couper le courant ou s'assurer

que l'environnement est classé

non dangereux avant de

débrancher l'équipement.

• Couper le courant ou s'assurer

que l'environnement est classé

non dangereux avant de

débrancher les connecteurs. Fixer

tous les connecteurs externes

reliés à cet équipement à l'aide

de vis, loquets coulissants,

connecteurs filetés ou autres

moyens fournis avec ce produit.

• La substitution de composants

peut rendre cet équipement

inadapté à une utilisation en

environnement de Classe I,

Division 2.

• S'assurer que l'environnement est

classé non dangereux avant de

changer les piles.

61769-L31 CompactLogix Controller

Publication 1769-IN069C-EN-P - May 2008

Before You Begin

Use this document as a guide for installing the controller.

Consider the following when planning your CompactLogix system:

The CompactLogix controller is always the leftmost module in the

system.

The controller must be located within four modules of the system

power supply. Some I/O modules may be located up to eight modules

away from the power supply. See the documentation for your 1769

I/O modules for details.

The 1769-L31 controller supports as many as 16 I/O modules in a

maximum of 3 I/O banks with 2 expansion cables.

Each I/O bank requires its own power supply.

Only one controller can be used in a CompactLogix system.

A 1769-ECR right end cap or 1769-ECL left end cap is required to

terminate the end of the communication bus.

These components ship with the controller.

Component Description

You can also use these components with the controller:

1756-CP3 or 1747-CP3 serial cable to connect a device to the

RS-232 port

1784-CF64 or 1784-CF128 industrial CompactFlash card to add

nonvolatile memory

IMPORTANT

The 1769-BA battery is the only battery you can use with the 1769-L31 controller.

1769-BA battery

1747-KY controller key

1769-L31 CompactLogix Controller 7

Publication 1769-IN069C-EN-P - May 2008

Connect the 1769-BA Battery

The controller is shipped with the 1769-BA battery packed separately. To

connect the battery, follow this procedure.

1. Remove the battery door by sliding it forward.

2. Insert the battery connector into the black receptacle on the board.

The connector is keyed for installation with the correct polarity.

ATTENTION

The 1769-BA battery is the only battery you can use with the 1769-L31

controllers. The 1747-BA battery is not compatible with the 1769-L31

controllers and can cause problems.

WARNING

When you connect or disconnect the battery, an electrical arc can occur. This

could cause an explosion in hazardous location installations. Be sure that

power is removed or the area is nonhazardous before proceeding.

For safety information on the handling of lithium batteries, including handling

and disposal of leaking batteries, see Guidelines for Handling Lithium

Batteries Technical Data, publication AG-5.4.

IMPORTANT

Do not remove the plastic insulation covering the battery. The insulation is

necessary to protect the battery contacts.

81769-L31 CompactLogix Controller

Publication 1769-IN069C-EN-P - May 2008

3. Insert the battery into the door, as shown.

4. Slide the battery door back until it clicks into position.

Install a 1784-CF64 or 1784-CF128 Industrial CompactFlash Card

(optional)

The optional industrial CompactFlash card provides nonvolatile memory for

a CompactLogix controller. The card is not required for controller operation.

Follow this procedure to install the card.

1. Push the locking tab to the right.

ATTENTION

Do not remove the CompactFlash card while the controller is reading from or

writing to the card, as indicated by a flashing green CF status indicator. This

could corrupt the data on the card or in the controller, as well as corrupt the

latest firmware in the controller.

WARNING

When you insert or remove the CompactFlash Card while power is on, an

electrical arc can occur. This could cause an explosion in hazardous location

installations.

Be sure that power is removed or the area is nonhazardous before proceeding.

1769-L31 CompactLogix Controller 9

Publication 1769-IN069C-EN-P - May 2008

2. Insert the industrial CompactFlash card into the socket on the front

of the controller, noting that the label of the CompactFlash card faces

toward the left.

3. Match the orientation arrow on the card

with the arrow on the front of the

controller.

4. To remove the CompactFlash card, push

the locking tab away from the

CompactFlash card and pull the

CompactFlash card from the socket.

Assemble the System

The controller can be attached to an adjacent

I/O module or power supply before or after

mounting.

This procedure shows you how to install the controller in a

CompactLogix system.

1. Disconnect line power.

WARNING

The CompactLogix controller is not designed for removal and insertion under

power.

If you insert or remove the module while backplane power is on, an electrical

arc can occur. This could cause an explosion in hazardous location

installations.

Be sure that power is removed or the area is nonhazardous before proceeding.

10 1769-L31 CompactLogix Controller

Publication 1769-IN069C-EN-P - May 2008

2. Check that the lever of the adjacent module (A) is in the unlocked

(fully right) position.

3. Use the upper and lower tongue-and-groove slots (B) to secure the

modules together.

4. Move the module back along the tongue-and-groove slots until the

bus connectors line up with each other.

5. Use your fingers or a small screwdriver to push the module’s bus lever

back slightly to clear the positioning tab (C).

6. Move the module’s bus lever fully to the left (D) until it clicks, being

sure it is locked firmly in place.

7. Attach an end cap terminator (E) to the last module in the system by

using the tongue-and-groove slots as before.

8. Lock the end cap bus terminator (F).

ATTENTION

When attaching the controller, power supply, and I/O modules, make sure the

bus connectors are securely locked together to be sure of proper electrical

connection.

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