Allen-Bradley ControlLogix DeviceNet C Series Manuale utente

Installation Instructions

ControlLogix DeviceNet Scanner Module

Catalog Numbers 1756-DNB, Series C and D

Topic Page

Important User Information 2

Preventing Electrostatic Discharge 3

European Hazardous Location Approval - European Zone 2 Certification 4

Environment and Enclosure 5

North American Hazardous Location Approval 6

About this Publication 6

About the Module 7

Before You Begin 7

Determine Module Slot Location 8

Change Module Settings 9

Install the Module in the Chassis 16

Configure the Scan List 27

Monitor and Troubleshoot Devices in the Module Scan List 27

Interpret the Status Indicators 35

Understand ControlLogix Controller Interface Structures 38

Specifications 43

Additional Resources 47

Allen-Bradley Automation

2ControlLogix DeviceNet Scanner Module

Publication 1756-IN566D-EN-P - June 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,a drive or motor) to alert

people that dangerous voltage may be present.

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

people that surfaces may reach dangerous temperatures.

SHOCK HAZARD

BURN HAZARD

ControlLogix DeviceNet Scanner Module 3

Publication 1756-IN566D-EN-P - June 2008

Preventing 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.

Allen-Bradley Automation

4ControlLogix DeviceNet Scanner Module

Publication 1756-IN566D-EN-P - June 2008

European Hazardous Location Approval - European Zone 2

Certification

The following applies when the product bears the EEx Marking).

This equipment is intended for use in potentially explosive atmospheres as

defined by European Union Directive 94/9/EC.

The LCIE (Laboratoire Central des Industries Electriques) certifies that this

equipment 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 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.

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

radiation.

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

protection when applied in Class I, Zone 2 environments.

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

Rockwell Automation.

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

by transient disturbances of more than 40% when applied in Class I, Zone

2 environments.

•This equipment must be used only with ATEX certified backplanes.

ControlLogix DeviceNet Scanner Module 5

Publication 1756-IN566D-EN-P - June 2008

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

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.

Besides this publication, see:

•Industrial Automation Wiring and Grounding Guidelines, for additional

installation requirements, Allen-Bradley publication 1770-4.1.

•NEMA Standards publication 250 and IEC publication 60529, as

applicable, for explanations of the degrees of protection provided by

different types of enclosure.

Allen-Bradley Automation

6ControlLogix DeviceNet Scanner Module

Publication 1756-IN566D-EN-P - June 2008

North American Hazardous Location Approval

About this Publication

Use this publication as a guide to install the module. This publication

describes hardware installation only. For configuration information, refer to

the DeviceNet Modules in Logix5000 Systems User Manual, publication

DNET-UM004.

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.

ControlLogix DeviceNet Scanner Module 7

Publication 1756-IN566D-EN-P - June 2008

About the Module

Use this figure to identify the external features of the module.

Before You Begin

Before you install the module, you must install and connect a ControlLogix

chassis and power supply.

31713-M

Front View

Side View

Top View

Backplane

Connector

USB Port

Front

Panel

DeviceNet

Port

20805-M

1756-A4

Chassis

Power

Supply

Allen-Bradley Automation

8ControlLogix DeviceNet Scanner Module

Publication 1756-IN566D-EN-P - June 2008

To install these products, refer to these publications.

Determine Module Slot Location

Install the module in any slot in the ControlLogix chassis. You can install

multiple 1756-DNB scanner modules in the same chassis.

The following figure shows chassis slot numbering in a 4-slot chassis. Slot 0 is

the first slot and is always the leftmost slot in the chassis.

Publication References

Chassis Type Chassis

Installation

Instructions

Power Supply PowerSupply

Installation

Instructions

Series B:

1756-A4, 1756-A7,

1756-A10, 1756-A13

Pub. No.

1756-IN080

1756-PA72/B Pub. No.

1756-IN078

1756-PB72/B

1756-PA75/A Pub. No.

1756-IN596

1756-PB75/A

Power Supply

Slot 0

Slot 1

Slot 2

Slot 3

Chassis

20806

ControlLogix DeviceNet Scanner Module 9

Publication 1756-IN566D-EN-P - June 2008

Change Module Settings

The module ships with these settings.

Factory Setting Values

Factory Settings Value

Rotary switches 999

Communication (data) rate Software settable (default 125 Kbps)

Node address Software settable (default 63)

DeviceNet Node Address Rotary

Switches

Front of Module

Top of Module

31587

Communication (Data)

Rate Rotary Switch

Allen-Bradley Automation

10 ControlLogix DeviceNet Scanner Module

Publication 1756-IN566D-EN-P - June 2008

Set the Communication Rate

The 1756-DNB scanner module supports the following DeviceNet network

communication rates:

•125 Kbps

•250 Kbps

•500 Kbps

The factory default setting is 125 Kbps.

Change the communication rate by setting the rotary switch or

commissioning the 1756-DNB scanner module in RSNetWorx for DeviceNet

software.

Use the switch to select a specific communication rate. When the switch is set

to 3...9 (except for 888), you can configure the communication rate with

RSNetWorx for DeviceNet software. When all three switches are set to 8, the

1756-DNB scanner module will reset to factory default settings at powerup.

See Restore the Factory Default Settings on page 15 for more information.

See the following table for switch settings.

ATTENTION Do not change the communication rate on an active network. Unpredictable

operation may result. In addition, the new communication rate does not take

effect until you cycle power to the 1756-DNB scanner module.

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