Rockwell Automation CompactLogix series User manual

Installation Instructions

CompactLogix Controllers

Catalog Numbers 1768-L43, 1768-L43S, 1768-L45, 1768-L45S

Topic Page

Important User Information 2

About CompactLogix Controllers 6

Verify Compatibility 6

Required System Components 7

Clearance Requirements 7

Module Placement 8

Install the Controller 9

Panel Mount the Controller 10

Mount the Controller on a DIN Rail 10

Confirm the Installation 13

Connect to the Controller 14

Configure a Communication Driver 14

Insert or Remove a CompactFlash Card 18

Install Controller Firmware 18

Remove a 1768 or 1769 Module from the DIN Rail 21

Status Indicators 23

Safety Status Indicators (1768-L43S and 1768-L45S Controllers only) 25

Clear a Major Fault 26

Clear a Nonrecoverable Fault 27

Troubleshoot a Nonresponsive Module 27

Troubleshoot System Power 28

Specifications 32

Additional Resources 36

2CompactLogix Controllers

Publication 1768-IN004D-EN-P - December 2009

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

CompactLogix Controllers 3

Publication 1768-IN004D-EN-P - December 2009

Environment and Enclosure

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 m (6562 ft) without derating.

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

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

difficulties with electromagnetic compatibility in residential and other

environments due to conducted as well as radiated disturbances.

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, Rockwell

Automation publication 1770-4.1, for additional installation

requirements.

•NEMA Standards 250 and IEC 60529, as applicable, for explanations of

the degrees of protection provided by different types of enclosure.

4CompactLogix Controllers

Publication 1768-IN004D-EN-P - December 2009

European Hazardous Location Approval

Consider the following if you install a 1768-L43S or 1768-L45S

controller in a European Zone 2 location.

General Safety Information for 1768-L43S and 1768-L45S Controllers

European Zone 2 Certification (The following applies when the product bears the

EX marking.)

This equipment is intended for use in potentially explosive atmospheres as defined by

European Union Directive 94/9/EC and has been found to comply with the Essential Health

and Safety Requirements relating to the design and construction of Category 3 equipment

intended for use in Zone 2 potentially explosive atmospheres, given in Annex II to this

Directive.

Compliance with the Essential Health and Safety Requirements has been assured by

compliance with EN 60079-15 and EN 60079-0.

WARNING •This equipment must be installed in an enclosure providing at least IP54

protection when applied in Zone 2 environments.

•This equipment shall be used within its specified ratings defined by

Allen-Bradley.

•Provision shall be made to prevent the rated voltage from being

exceeded by transient disturbances of more than 40% when applied in

Zone 2 environments.

•This equipment is not resistant to sunlight or other sources of UV

radiation.

•Secure any external connections that mate to this equipment by using

screws, sliding latches, threaded connectors, or other means provided

with this product.

•Do not disconnect equipment unless power has been removed or the

area is known to be nonhazardous.

ATTENTION Personnel responsible for the application of safety-related programmable

electronic systems (PES) shall be aware of the safety requirements in the

application of the system and shall be trained in using the system.

CompactLogix Controllers 5

Publication 1768-IN004D-EN-P - December 2009

North American Hazardous Location Approval

Preventing Electrostatic Discharge

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 combinés dans un 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.

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.

6CompactLogix Controllers

Publication 1768-IN004D-EN-P - December 2009

About CompactLogix Controllers

CompactLogix 1768-L43 and 1768-L45 controllers are designed to

provide a Logix solution for medium-sized applications. Compact

GuardLogix controller catalog numbers end in ‘S’. These safety

controllers are wider than their standard counterparts.

Verify Compatibility

This table shows the compatible RSLogix 5000 software versions and

controller firmware revisions.

IMPORTANT Attempting to use controllers with incompatible software and firmware

revisions may result in:

•an inability to connect to the series B controller in RSLogix 5000

software.

•unsuccessful firmware upgrades in ControlFlash or AutoFlash

utilities.

Controllers RSLogix 5000 Software

Version or Later

Controller Firmware

Revision or Later

1768-L43 and 1768-L45,

Series B

16.03 16.23

1768-L43S and 1768-L45S,

Series B

18 18

1768-L43, 1768-L45 1768-L43S, 1768-L45S

CompactLogix Controllers 7

Publication 1768-IN004D-EN-P - December 2009

Required System Components

You need these parts when installing your controller:

•1768-L43, 1768-L43S, 1768-L45, or 1768-L45S CompactLogix

controller

•1768-PA3 or 1768-PB3 power supply

•1769-ECR end cap

•Mounting screws (M4 or #8 panhead) or one of these

EN 50 022 DIN rails:

–35 x 7.5 mm (1.38 x 0.30 in.)

–35 x 15 mm (1.38 x 0.59 in.)

•1756-CP3 serial cable (or make your own)

Clearance Requirements

Allow for the minimum clearance from enclosure walls, wireways,

and other equipment.

IMPORTANT These minimum clearances keep the modules cool enough in most situations.

See Specifications on page 32 for the acceptable temperature range.

31609-M

Power

OUT

L2/N

90 mm

(3.54 in.)

105 mm (4.13 in.)

90 mm

(3.54 in.)

105 mm (4.13 in.)

8CompactLogix Controllers

Publication 1768-IN004D-EN-P - December 2009

Module Placement

Follow these requirements to determine proper placement of your

1768 controller, power supply, 1768 I/O modules, and 1769 I/O

modules:

•Place the 1768-L4xx controller so that it is the last module

(furthest away from the power supply) in the 1768 backplane.

•The 1768 CompactLogix power supply distributes power from

the right side of the supply and must be the leftmost module

in the system.

•Up to eight 1769 I/O modules can reside in the local bank.

•The local bank is powered by a 1768 power supply.

•Up to two remote banks of 1769 I/O modules may be

connected by using 1769-CRLxextension cables.

•Remote banks are powered by a standard 1769 power supply.

IMPORTANT CompactLogix System Distance Ratings

Because the 1768 CompactLogix power supply works with the controller to

power a 1768 system, the distance rating in a 1768 CompactLogix system differs

from that in a 1769 CompactLogix system.

In the 1768 system, the distance rating is the distance between 1769 I/O modules

and the controller. In the 1769 system, the distance rating is the distance

between 1769 I/O modules and the power supply.

1768 Backplane (local)

1768 Controller, Power

Supply, and I/O Modules Remote Bank

1769 Power Supply and

I/O Modules

1769 Backplane

CompactLogix Controllers 9

Publication 1768-IN004D-EN-P - December 2009

•Up to eight 1769 Compact I/O modules can reside on each

side of a 1769 power supply in a remote bank. Consult the

module’s specifications for its distance rating.

•The type of controller determines the maximum number of

1768 modules that can reside in the local bank and the

maximum number of 1769 I/O modules that can reside in one

local and up to two remote banks.

Install the Controller

Follow these steps to install your controller.

1. Mount the controller to a panel or on a DIN rail.

2. Confirm the installation.

3. Connect the controller.

4. Configure a serial or Ethernet driver.

5. Install a CompactFlash card (optional).

6. Download and install controller firmware.

IMPORTANT Never place a 1769 power supply in a local bank with a 1768

controller or a major fault will occur.

Controller Max Local 1768

Modules

Max 1769 I/O Modules

(local and remote)

1768-L43, 1768-L43S 2 16

1768-L45, 1768-L45S 4 30

IMPORTANT Do not use screws if using a DIN rail to mount the controller. You can

break the mounting tabs if you screw the controller to a panel while it

is on a DIN rail.

10 CompactLogix Controllers

Publication 1768-IN004D-EN-P - December 2009

Panel Mount the Controller

Follow these steps to mount your controller by using the panhead

screws.

1. Connect the CompactLogix modules together as shown in

Mount the Controller on a DIN Rail on page 10.

2. Use the controller as a template and mark pilot holes on your

panel.

3. Drill the pilot holes for M4 or #8 screws.

4. Use M4 or #8 screws to mount the controller to your panel

with 1.16 N•m (10 lb•in) of torque.

5. Ground the module on a ground bus with a dedicated earth

ground stake.

6. Connect the ground bus to a functional earth ground on the

panel or a DIN rail.

Mount the Controller on a DIN Rail

ATTENTION During mounting of all devices, be sure that all debris (such as metal

chips or wire strands) is kept from falling into the controller or I/O

modules. Debris that falls into the controller or modules could cause

damage while the controller is energized.

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 and plastic) that can corrode,

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

grounding. Secure DIN rail to the mounting surface approximately every

200 mm (7.87 in.) and use end anchors appropriately.

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