Allen-Bradley ControlNet Ex 1797-RPA Manuale utente

Publication 1797-IN015G-EN-P - August 2017

Installation Instructions

ControlNet Ex Modular Repeater Adapter &

Fiber Repeater Module

Catalog Numbers 1797-RPA and 1797-RPFM

Contents

For Information About See Page

Important User Information 2

About the ControlNet Ex Fiber Repeater Hub 4

DIN-Rail Mount the 1797-RPA and -RPFM 5

Installation in Zone 1 for CENELEC 8

Installation in Division 1/Zone 1 for UL, C-UL and FM 8

Electrostatic Charge 9

European Community (EC) Directive Compliance 9

Inputs/Outputs 12

Wire the Modules 13

Describing the ControlNet Ex System Diagram 15

Certification Specific ControlNet Ex System Diagrams 17

CENELEC Installation Label 18

CENELEC ControlNet Ex System Diagram 19

UL, C-UL ControlNet Ex System Diagram 20

FM ControlNet Ex System Diagram 22

Module Indicators 24

About the Mounting Kit 26

Repair 26

Specifications - 1797-RPA 27

Specifications - 1797-RPFM 29

Mounting Dimensions 31

2ControlNet Ex Modular Repeater Adapter & Fiber Repeater Module

Publication 1797-IN015G-EN-P - August 2017

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.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 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 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 Ex Modular Repeater Adapter & Fiber Repeater Module 3

Publication 1797-IN015G-EN-P - August 2017

ATTENTION

Environment and Enclosure

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.

+V +V

-V -V

1797-RPA

PWR

REPEATER

ADAPTER

COMM

STATUS

MODULE

STATUS

41163

Repeater

Backplane

Connector

Module Locking Tab Power and

Common Connections

Indicators

Backplane Connector Cover

1797-RPA

Label Here

Do not remove

unless connecting to

1797-RPFM.

ControlNet Ex

Tap Drop BNC

Connector With

Insulator Boot

4ControlNet Ex Modular Repeater Adapter & Fiber Repeater Module

Publication 1797-IN015G-EN-P - August 2017

About the ControlNet Ex Fiber Repeater Hub

Use the repeater adapter (1797-RPA) and the fiber module (1797-RPFM)

together to form a repeater hub within the hazardous area to extend the

length of the ControlNet Ex segments to interlink systems all operating

within the area.

The 1797-RPA repeater adapter, configured with at least one repeater adapter,

functions as the intelligent starter block for a multiport repeater. The

1797-RPFM is a nonintelligent fiber-to-backplane conversion device,

converting glass-fiber infrared LED media signals to backplane signals for use

by the 1797-RPA.

A maximum of two 1797-RPFM modules may be used with one 1797-RPA

adapter.

1797-RPFM

Recv Xmit

Chan 1 Chan 2

41267

Repeater

Backplane

Connector

Module Locking Tab

Backplane Connector Cover

1797-RPFM

Label Here

Do not remove

unless connecting to

1797-RPFM.

ControlNet Ex Modular Repeater Adapter & Fiber Repeater Module 5

Publication 1797-IN015G-EN-P - August 2017

DIN-Rail Mount the 1797-RPA and -RPFM

Refer to Mounting Dimensions on page 31. For panel mounting information,

see publication 1794-5.13.

1. Position the module on a 35 x 7.5 mm DIN rail (A-B part number

199-DR1) at approximately a 30oangle.

2. Hook the lip on the rear of the adapter onto the top of the DIN rail,

and rotate the module onto the rail.

ATTENTION

This product is grounded through the DIN rail to the dedicated

intrinsic safety ground. Use zinc-plated yellow-chromate steel

DIN rail to assure proper grounding. The use of other DIN rail

materials (such as aluminum or plastic) that can corrode, oxidize,

or are poor conductors, can result in improper or intermittent

grounding.

ATTENTION

The DIN rail or mounting bracket must be appropriately

connected to the dedicated intrinsic safety ground.

41167

41166

6ControlNet Ex Modular Repeater Adapter & Fiber Repeater Module

Publication 1797-IN015G-EN-P - August 2017

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

The locking tab should snap into position and lock the module to the

DIN rail.

4. If the adapter does not snap into position, use a screwdriver or similar

device to move the locking tab down while pressing the module flush

onto the DIN rail.

Release the locking tab to lock the module in place. If necessary, push

up on the locking tab to lock.

5. Remove the adapter backplane connector cover.

6. Follow steps 1 to 4 to attach fiber modules to the DIN rail.

7. Once attached to the DIN rail, slide fiber modules to the left to mate

with the adapter.

ATTENTION

Make certain that the adapter and fiber modules are secured

together with DIN rail anchors. Failure to do so may result in

the loss of communications, cause damage to the modules, or

both.

41168

ControlNet Ex Modular Repeater Adapter & Fiber Repeater Module 7

Publication 1797-IN015G-EN-P - August 2017

8. Make sure the last fiber module has its backplane connector cover in

place.

9. Connect the adapter wiring as shown below in the Wiring section.

IMPORTANT

A DIN-rail end anchor (A-B part number 1492-EA35) must

be used on the left side of the adapter and on the right side of

the fiber module to keep the units from moving.

IMPORTANT

You can only attach two media modules to the repeater

adapter. If you exceed the module limit, you may cause

damage to the adapter or fiber modules and void the IS

certification.

41169

8ControlNet Ex Modular Repeater Adapter & Fiber Repeater Module

Publication 1797-IN015G-EN-P - August 2017

Installation in Zone 1 for CENELEC

Modules must not be exposed to the environment. Provide a suitable metal

enclosure. A label with this system marking must be attached near the main

components of the system. If the system is installed in a cabinet, this label

must be fixed inside the cabinet.

Installation in Division 1/Zone 1 for UL, C-UL and FM

This adapter must not be exposed to the environment. Provide a suitable

metal enclosure. This adapter has a protection factor of IP20.

WARNING

Modules cannot be used in an intrinsically safe environment

after they have been exposed to nonintrinsically safe signals.

The fiber optic adapter type 1797-RPFM may be used in

combination with the ControlNet adapter type 1797-RPA.

WARNING

This adapter cannot be used in an intrinsically safe environment

after it has been exposed to nonintrinsically safe signals.

0102

ControlNet Ex System

Allen-Bradley

Attention!

Avoid electrostatic charging!

-200C <= Ambient Temperature <= +700C

1 Allen-Bradley Dr.

Mayfield Hts., OH USA

DMT 99 ATEX E 065 X

II (1)2G Ex ia ib IIC

ControlNet Ex Modular Repeater Adapter & Fiber Repeater Module 9

Publication 1797-IN015G-EN-P - August 2017

Make certain that you only connect ControlNet Ex adapters to other

intrinsically safe system modules to maintain the integrity of the

intrinsically-safe backplane.

Electrostatic Charge

Protect the system against electrostatic charge. Post a sign near this module:

WARNING Avoid electrostatic charging.

ADVERTÊNCIA! PREVENIR CONTRA O ACÚMULO DE CARGA

ELETROSTÁTICA.

For your convenience, a sign that can be cut out is included in this installation

instruction.

European Community (EC) Directive Compliance

If this product has the CE mark it is approved for installation within the

European Community or EEA regions. It has been designed and tested to

meet the following directives.

EMC Directive

If this product has the CE mark it is approved for installation within the

European Community or EEA regions. It has been designed and tested to

meet the following directives.

These products are tested to meet the Council Directive 2014/30/EU by

applying the following standards:

•EN 61000-6-4:2007, Electromagnetic Compatibility (EMC) - Part 6-4:

Generic Standard for Industrial Environments (Class A)

•EN 61000-6-2:2005, Electromagnetic Compatibility (EMC) - Part 6-2:

Generic Standards - Immunity for Industrial Environments

•EN 61326-1:2013 (Industrial), Electrical Equipment For

Measurement, Control, and Laboratory Use - Industrial EMC

Requirements

41307

10 ControlNet Ex Modular Repeater Adapter & Fiber Repeater Module

Publication 1797-IN015G-EN-P - August 2017

European Hazardous Location Approval

The following applies to products marked II (1)2 G

•Are Equipment Group II, Equipment Category (1)2, and comply with

the Essential Health and Safety Requirements relating to the design

and construction of such equipment given in Annex II to Directive

2014/34/EU. See the EC Declaration of Conformity at

http://www.rockwellautomation.com/products/certification

for details.

•The type of protection is “Ex ib[ia] IIC T4” according to

EN 60079-11.

•Comply to Standards EN 60079-0:2006, EN 60079-11:2007, and

EN 60079-26:2004, reference certificate number

DMT 99 ATEX E 011 X.

•Are intended for use in areas in which explosive atmospheres caused

by gases, vapors, mists, or air are likely to occur occasionally. Such

locations correspond to Zone 1 or 2 classification according to ATEX

directive 2014/34/EU.

IEC Hazardous Location Approval

The following applies to products with the IECEx certification:

•Are intended for use in areas in which explosive atmospheres caused

by gases, vapors, mists, or air are likely to occur only infrequently and

for short periods. Such locations correspond to Zone 1 or 2

classification to IEC 60079-0.

•The type of protection is “Ex ib IIC T4” and “Ex ib[ia] IIC T4”

according to IEC 60079-11.

•Comply to Standards IEC 60079-0:2004, IEC 60079-11:2006,

reference IECEx certificate number IECEx BVS 09.0021X.

Special Conditions for Safe Use:

The fibre optic adapter type 1797-RPFM* can only be use in combination

with the ControlNet adapter type 1797-RPA*.

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