Allen-Bradley ControlNet 1786-RPA/B Bedienungsanleitung

Installation Instructions

ControlNet Modular Repeater Adapter

Catalog Number 1786-RPA/B

About the Repeater Adapter Module

The 1786-RPA/B ControlNet repeater adapter module, which has a 24V DC,

removable power supply, can be used with 1786 repeater modules to build a

ControlNet network repeater. A repeater is used to extend the length of a

network, create a star, ring, or point-to-point topology, or perform network

media conversion from copper to fiber, and vice versa. A maximum of 20

repeater adapter can be placed in a series.

Topic Page

Important User Information 2

Environment and Enclosure 3

North American Hazardous Location Approval 4

European Hazardous Location Approval 5

Features and Components of the ControlNet Repeater Adapter 6

Mount the Repeater Adapter Module 8

Wire the Repeater Adapter Module 13

Status Indicators 16

Specifications 19

Additional Resources 23

2ControlNet Modular Repeater Adapter

Rockwell Automation Publication 1786-IN013F-EN-P - April 2011

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.rockwellautomation.com/literature/) 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.

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.

SHOCK HAZARD: Labels may be on or inside the equipment, for example, drive or motor,

to alert people that dangerous voltage may be present.

BURN HAZARD: Labels may be on or inside the equipment, for example, drive or motor,

to alert people that surfaces may reach dangerous temperatures.

IMPORTANT Identifies information that is critical for successful application and understanding of the

product.

ControlNet Modular Repeater Adapter 3

Rockwell Automation Publication 1786-IN013F-EN-P - April 2011

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 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 11. Without appropriate precautions, there

may be difficulties with electromagnetic compatibility in residential

and other environments due to conducted and 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 the following:

•Industrial Automation Wiring and Grounding Guidelines,

publication 1770-4.1, for additional installation requirements

•NEMA Standard 250 and IEC 60529, as applicable, for explanations

of the degrees of protection provided by enclosures

4ControlNet Modular Repeater Adapter

Rockwell Automation Publication 1786-IN013F-EN-P - April 2011

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 foruse 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

adversetemperaturecode(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.

ControlNet Modular Repeater Adapter 5

Rockwell Automation Publication 1786-IN013F-EN-P - April 2011

European Hazardous Location Approval

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: You must follow these guidelines:

•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

Rockwell Automation.

•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.

•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: This equipment is not resistant to sunlight or other

sources of UV radiation.

6ControlNet Modular Repeater Adapter

Rockwell Automation Publication 1786-IN013F-EN-P - April 2011

Prevent Electrostatic Discharge

Features and Components of the ControlNet Repeater Adapter

A 1786-RPA/B repeater adapter can be used with the following modules to

build a ControlNet network repeater:

•1786-RPCD repeater dual copper module

•1786-RPFS repeater short-distance fiber module

•1786-RPFM repeater medium-distance fiber module

•1786-RPFRL fiber ring repeater module

•1786-RPFRXL fiber ring repeater module

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.

TIP

If the 1786-RPA/B repeater adapter is used with the 1786-RPCD,

1786-RPFS, and 1786-RPFM repeater modules, you can attach as

many as four repeaters to the repeater adapter.

If the 1786-RPA/B repeater adapter is used with the 1786-RPFRL

and 1786-RPFRXL repeater modules, you can attach as many as

two repeaters to the repeater adapter.

See page 11 for more details.

ATTENTION: If this equipment is used in a manner not specified

by the manufacturer, the protection provided by the equipment may

be impaired.

ControlNet Modular Repeater Adapter 7

Rockwell Automation Publication 1786-IN013F-EN-P - April 2011

The repeater adapter also provides the following:

•Digital re-timing of ControlNet network data

•Power to repeater modules

•One coax channel

•Status indicators

The repeater adapter ships with the following items:

•One removable terminal block (power connector) attached to the

repeater adapter.

•One 75 Ωterminator for terminating an unused port.

•Two DIN rail locks

The illustration shows the components that comprise the 1786-RPA/B repeater

adapter module.

COM

REPEATER

ADAPTER

REPEATER

MODULES

24V

75 Ω Terminator

Status

Indicators

31453-M

Removable

Terminal

B lock

(RTB)

8ControlNet Modular Repeater Adapter

Rockwell Automation Publication 1786-IN013F-EN-P - April 2011

Mount the Repeater Adapter Module

This section explains how to mount the 1786-RPA/B repeater adapter module.

Figure 1 - Mounting Dimensions

TIP

Horizontal mounting is preferred. Vertical mounting is allowed.

We recommend that the 1786-RPA/B module be mounted at the

top if vertical mounting is chosen.

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.

Dimensions are in mm (in.). 31458-M

102.1

(4.084)

100

(4.0)

(2.76)

(3.6)

127

(5)

ControlNet Modular Repeater Adapter 9

Rockwell Automation Publication 1786-IN013F-EN-P - April 2011

Do these steps to mount the 1786-RPA/B module.

1. Position the repeater adapter module on the 35 x 7.5 mm (1.4 x 0.3 in.)

DIN rail (Allen-Bradley part number 199-DR1) at a 30oangle.

2. Hook the lip on the rear of the 1786-RPA/B repeater adapter module

onto the top of the DIN rail, and rotate the repeater adapter module

onto the rail.

3. Press the repeater adapter module down onto the DIN rail until flush.

The locking tab should snap into position and lock the repeater adapter

module to the DIN rail.

31454A-M

31454B-M

10 ControlNet Modular Repeater Adapter

Rockwell Automation Publication 1786-IN013F-EN-P - April 2011

If the repeater adapter module does not snap into position, use a

screwdriver or similar device to move the locking tab down while

pressing the repeater adapter flush onto the DIN rail.

4. Release the locking tab to lock the adapter in place.

If necessary, push up on the locking tab to lock.

5. Once the repeater adapter module is attached to the DIN rail, slide the

repeater modules to the left to mate with the repeater adapter module.

31454C-M

31455-M

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