Allen-Bradley ControlNet 1786-RPCD User manual

Publication 1786-IN001B-EN-P - May 2004

Installation Instructions

ControlNet Dual Copper Repeater Module

Catalog Number 1786-RPCD

This document describes how to install and apply the 1786-RPCD dual copper repeater

module.

Topic: Page:

European Hazardous Location Approval 4

North American Hazardous Location Approval 6

About the Dual Copper Repeater Module 7

Mount the Repeater Module 9

Use Trunk Line Terminators 12

Remove the Repeater Module from the DIN Rail 13

Connect the Repeater Module 13

Understand Common Topologies 15

Understand Constraints of the Coax Segment 17

Status Indicators 19

Mounting Dimensions 20

Specifications 20

AB Parts

2ControlNet Dual Copper Repeater Module

Publication 1786-IN001B-EN-P - May 2004

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://www.ab.com/manuals/gi) 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 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

•recognize the consequence

SHOCK HAZARD Labels may be located on or inside the equipment to alert people that dangerous

voltage may be present.

BURN HAZARD Labels may be located on or inside the equipment to alert people that surfaces may be

dangerous temperatures.

ControlNet Dual Copper Repeater Module 3

Publication 1786-IN001B-EN-P - May 2004

ControlNet is a trademark of ControlNet International, Inc.

ATTENTION Environment and Enclosure

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 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

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.

NOTE: See NEMA Standards publication 250 and IEC publication

60529, as applicable, for explanations of the degrees of protection

provided by different types of enclosure. Also, see the appropriate

sections in this publication, as well as the Allen-Bradley publication

1770-4.1 (“Industrial Automation Wiring and Grounding Guidelines”),

for additional installation requirements pertaining to this equipment.

AB Parts

4ControlNet Dual Copper Repeater Module

Publication 1786-IN001B-EN-P - May 2004

European Hazardous Location Approval

If you install the module in a European Zone 2 location, consider:

ATTENTION Preventing Electrostatic Discharge

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.

•If available, use a static-safe workstation.

•When not in use, store the equipment in appropriate static-safe

packaging.

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 (e.g., aluminum, plastic, etc.) that can

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

intermittent grounding.

ATTENTION 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. The examination and test results are recorded

in confidential report No. 28 682 010.

Compliance with the Essential Health and Safety Requirements has been

assured by compliance with EN 50021.

ControlNet Dual Copper Repeater Module 5

Publication 1786-IN001B-EN-P - May 2004

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

radiation.

The secondary of a current transformer shall not be open-circuited when

applied in Class I, Zone 2 environments.

Equipment of lesser Enclosure Type Rating 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

Allen-Bradley.

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.

AB Parts

6ControlNet Dual Copper Repeater Module

Publication 1786-IN001B-EN-P - May 2004

North American Hazardous Location Approval

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 be

changed only 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.

ControlNet Dual Copper Repeater Module 7

Publication 1786-IN001B-EN-P - May 2004

About the Dual Copper Repeater Module

Use this copper repeater module when the:

•design of the network requires a hub-based topology

•segment requires a greater copper distance

•design requires an isolated segment

•number of nodes requires the use of repeaters (refer to Understand Constraints of the

Coax Segment on page 1-17)

The copper repeater module allows multiple 1000m copper segments to be attached to a

repeater adapter (1786-RPA). See pages15-18 for topology examples and segment length

constraints.

The module provides two copper channels and activity status indicators for each channel.

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.If you insert or remove the

module while backplane power is on, an electrical arc can oc-

cur. This could cause an explosion in hazardous location instal-

lations.

Be sure that power is removed or the area is nonhazardous be-

fore proceeding.

WARNING If you connect or disconnect the communications cable with

power applied to this module or any device on the network, an

electrical arc can occur. This could cause an explosion in haz-

ardous location installations.

AB Parts

8ControlNet Dual Copper Repeater Module

Publication 1786-IN001B-EN-P - May 2004

The figure below identifies the components of the module:

Indicators

Channel 1

coax port Channel 2

coax port

Module

locking tab

Right-side backplane

connector with

protective cover

42210

The left side of the

module (not shown

here) also contains a

backplane connector.

75 ΩBNC Trunk line terminators

(1786-XT)

Important:You must terminate

unused channels to maintain the

integrity of your network.

ControlNet Dual Copper Repeater Module 9

Publication 1786-IN001B-EN-P - May 2004

Mount the Repeater Module

To mount the module on the DIN rail:

1. Position the module on the 35×7.5mm DIN rail (Allen-Bradley part number

199-DRI; 46277-3; EN 50022) at a 30° angle.

2. Hook the module lip (on the rear of the module) onto the top of the DIN rail and

rotate the module onto the rail.

3. Press the module down to the DIN rail until the module is flush with the rail.

The locking tab should snap into position and lock the module onto the DIN rail. If

the tab does not snap into position, follow step 4. If the tab does snap into position,

go to step 5.

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 (e.g., aluminum,

plastic, etc.) that can corrode, oxidize, or are poor conductors, can

result in improper or intermittent grounding.

IMPORTANT To ensure proper operation of the 1786-RPCD repeater module, you

must position the 1786-RPCD module to the left of any 1786-RPFRL or

1786-RPFRXL repeater modules in your configuration.

30074-M

AB Parts

10 ControlNet Dual Copper Repeater Module

Publication 1786-IN001B-EN-P - May 2004

4. Use a screwdriver to move the locking tab down while you press the module flush

onto the DIN rail. Release the locking tab to secure the module in place. If necessary,

push up on the locking tab to secure the module in place.

30076-M

30074-M

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