Allen-Bradley ControlNet FLEX Ex 1797-BCNR Manuale utente

Publication 1797-IN536E-EN-P - August 2017

Installation Instructions

FLEX Ex Redundant ControlNet Barrier Module

Cat. No. 1797-BCNR

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 we use notes to make you aware of safety considerations.

2FLEX Ex Redundant ControlNet Barrier Module

Publication 1797-IN536E-EN-P - August 2017

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.

Important User Information

43476

In Out

Out

Channel A

Channel B

FLEX Ex Redundant ControlNet Barrier Module 3

Publication 1797-IN536E-EN-P - August 2017

Use the redundant ControlNet™ barrier module to interconnect between

ControlNet and ControlNet Ex™ networks.

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.

Component Identification

1ControlNet Channel A In

2ControlNet Channel B In

3ControlNet Ex Channel B Out

4ControlNet Ex Channel A Out

4FLEX Ex Redundant ControlNet Barrier Module

Publication 1797-IN536E-EN-P - August 2017

Product Features

•Provides for a direct connection to the ControlNet coax into

hazardous areas

•Can be mounted in a nonhazardous (safe) area

•Supports up to 10 adapters at 250 meters or 2 adapters at 500 meters

A functional illustration of the FLEX Ex Barrier Module is shown below.

Safe Area

ControlNet A

ControlNet B

Hazardous Area

ControlNet Ex TAP

(e.g., 1797-TPR)

ControlNet Ex

TAP

ControlNet Ex

Adapter

43464

ControlNet barrier

ControlNet Ex TAP

(e.g., 1797-TPR)

ControlNet Ex TAP

(e.g., 1797-TPR)

FLEX Ex Redundant ControlNet Barrier Module 5

Publication 1797-IN536E-EN-P - August 2017

Mounting the Barrier on a DIN Rail Before Installing Modules

The 1797-BCNR module mounts on a DIN rail.

1. Position the ControlNet Ex barrier module (A) on a 35 x 7.5mm DIN

rail (B) (A-B pt. no. 199-DR1) at a slight angle.

2. Hook the lip on the rear of the barrier (A) onto the top of the DIN

rail (B), and rotate the module onto the rail.

3. Press the barrier module down onto the DIN rail until flush.

4. The locking tab (C) should snap into position and lock the barrier

module to the DIN rail.

5. If the barrier module does not snap into position, use a screwdriver or

similar device to move the locking tab down while pressing the barrier

module flush onto the DIN rail. Release the locking tab to lock the

module in place.

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

7. Make certain that you only connect the ControlNet Ex side of the

1797-BCNR to 1797 ControlNet taps with either a 1797-ACNR15 or

a 1797-TCAP attched.

WARNING

The 1797-BCNR cannot be used in an intrinsically safe

environment after the ControlNet Ex connections have been

exposed to non-intrinsically safe signals.

In Out

Out

Channel A

Channel B

C43477

6FLEX Ex Redundant ControlNet Barrier Module

Publication 1797-IN536E-EN-P - August 2017

Installation in Zone 2

This 1797-BCNR must not be exposed to the environment. This barrier

module has a protection factor of IP20. Mount the 1797-BCNR inside an

enclosure with a protection class IP54.

Installation in Zone 22

When the 1797-BCNR is installed in Zone 22, the following cabinets must be

used: IVK2-ISRPI-V16LC; IVK2-ISRPI-V8HYW; or IVK2-ISRPI-V8LC.

These cabinets can be purchased from:

Pepperl+Fuchs GmbH

Lilienthalstrasse 200

68307 Mannheim, Germany

Attn: PA Sales Dept.

Kirsten Becker

Telephone +49 776 1298

www.pepperl-fuchs.com

The IS-RPI cabinets (type IVK2-ISRPI-V8LC, IVK2-ISRPI-V8HYW, or

IVK2-ISPRI-V16LC) ensures the basic protection for the intrinsically safe

apparatus of the IS-RPI system for use in Zone 22. It corresponds with

category 3D according to RL 94/9 EG and with the type label marked with

the following information:

Pepperl+Fuchs GmbH

68307 Mannheim

IVK2-ISRPI-V8LC (or IVK2-ISRPI-V8HYW or

IVK2-ISRPI-V16LC)

II 3 D Ex tD A22 IP54 T70 °C

Serial (manufacturing) number

Model Year

FLEX Ex Redundant ControlNet Barrier Module 7

Publication 1797-IN536E-EN-P - August 2017

Electrostatic Charge

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

module: Attention! Avoid electrostatic charge. For your convenience, a

sign which can be cut out is included at the end of 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.

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, Electrical Equipment For Measurement, Control,

and Laboratory Use - Industrial EMC Requirements

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.

8FLEX Ex Redundant ControlNet Barrier Module

Publication 1797-IN536E-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 ia ib IIC” according to EN 60079-11.

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

60079-25:2004, and EN 60079-26:2004, reference certificate number

DMT 99 ATEX E 065 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” according to IEC 60079-11.

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

IEC 60079-25:2003, reference IECEx certificate number

IECEx BVS 09.0020X.

Special Conditions for Safe Use:

In immediate proximity of the modules of the system a warning marking has

to be affixed: Warning - Avoid electrostatic charging - see instructions.

FLEX Ex Redundant ControlNet Barrier Module 9

Publication 1797-IN536E-EN-P - August 2017

UL, C-UL Compliance

If this product has the UL/C-UL mark, it has been designed, evaluated,

tested, and certified to meet the following relevant standards:

•UL 913, 1988, Intrinsically Safe Apparatus and Associated Apparatus

for Use in Class I, II, and III Division 1, Hazardous (Classified)

Locations

•UL 1203, Explosion-Proof and Dust-Ignition-Proof Electrical

Equipment for Use in Hazardous (Classified) Locations

•UL 2279, Electrical Equipment for Use in Class I, Zone 0, 1, and 2

Hazardous (Classified) Locations

•UL 61010, UL Standard for Safety Electrical Equipment For

Measurement, Control, and Laboratory Use; Part 1: General

Requirements

•CSA C22.2 No. 157-92, Intrinsically Safe and Non-Incendive

Equipment for Use in Hazardous Locations

•CSA C22.2 No. 30-M1986, Explosion-Proof Enclosures for Use in

Class I Hazardous Locations

•CSA-E79-0-95, Electrical Apparatus for Explosive Gas Atmospheres,

Part 0: General Requirements

•CSA-E79-11-95, Electrical Apparatus for Explosive Gas

Atmospheres, Part 11: Intrinsic Safety “i”

•CSA C22.2 No. 14-95, Industrial Control Equipment

Inputs/Outputs

Do not apply any non-instrinsically safe signals to the FLEX Ex side of the

1797-BCNR.

10 FLEX Ex Redundant ControlNet Barrier Module

Publication 1797-IN536E-EN-P - August 2017

When used as an associated apparatus according to EN 60079-11, the

European directives and regulations must be followed.

Wiring

1. Connect the ControlNet Ex trunk cable to connector, terminal B

after removing the insulator boot.

2. Connect the redundant ControlNet Ex trunk cable to connector C

after removing the insulator boot.

3. Connect the ControlNet trunk cable to terminal A.

IMPORTANT

Only remove the 1797-BCNR covers if the ControlNet Ex tap

drop cable is installed.

43465

ControlNet

1797-BCNR

ControlNet Ex

In Out

Out

Channel A

Channel B

30502-mdin

Redundant cables

Indice

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