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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.
Installation Instructions
Publication
1797-IN536E-EN-P - August 2017
Table of Contents
Related Manuals for Allen-Bradley ControlNet FLEX Ex 1797-BCNR
Summary of Contents for Allen-Bradley ControlNet FLEX Ex 1797-BCNR
- Page 1 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.
- Page 2 2 FLEX Ex Redundant ControlNet Barrier Module Important User Information Identifies information about practices or circumstances that can cause an explosion in a WARNING hazardous environment, which may lead to personal injury or death, property damage, or economic loss. Identifies information that is critical for successful application and understanding of the IMPORTANT product.
- Page 3 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.
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Page 4: Product Features
4 FLEX Ex Redundant ControlNet Barrier Module 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. -
Page 5: Mounting The Barrier On A Din Rail Before Installing Modules
FLEX Ex Redundant ControlNet Barrier Module 5 Mounting the Barrier on a DIN Rail Before Installing Modules O u t O u t 43477 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. -
Page 6: Installation In Zone
6 FLEX Ex Redundant ControlNet Barrier Module 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;... -
Page 7: Electrostatic Charge
FLEX Ex Redundant ControlNet Barrier Module 7 Electrostatic Charge 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. •... - Page 8 8 FLEX Ex Redundant ControlNet Barrier Module 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.
- Page 9 FLEX Ex Redundant ControlNet Barrier Module 9 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 •...
- Page 10 10 FLEX Ex Redundant ControlNet Barrier Module When used as an associated apparatus according to EN 60079-11, the European directives and regulations must be followed. 1797-BCNR ControlNet ControlNet Ex 43465 Wiring O u t O u t Redundant cables 30502-mdin 1.
- Page 11 FLEX Ex Redundant ControlNet Barrier Module 11 4. Connect the redundant ControlNet trunk cable to terminal D. 5. Install a direct ground wire with a minimum diameter of 4mm between terminal E and the PA Ground (Equipotential System) in the hazardous area where the ControlNet Ex coax cable is installed.
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Page 12: Mounting Dimensions
12 FLEX Ex Redundant ControlNet Barrier Module Mounting Dimensions 3.55 2.76 Inches (Millimeters) O u t O u t 43476 3.94 (10) Repair The 1797-BCNR module is not field-repairable. Any attempt to open this 1797-BCNR module will void the warranty and the IS certification. If repair is necessary, return the 1797-BCNR module to the manufacturer. - Page 13 FLEX Ex Redundant ControlNet Barrier Module 13 Transmission Rate 5 Mbit/s Transmission Attenuation -7.84dB Weight Approximately 200g Dimensions 3.94 in.(w) x 3.55 in.(d) x 2.76 in.(h) 10cm(w) x 9cm(d) x 7 cm(h) Operating Temperature IEC 60068-2-1 (Test Ad, Operating Cold), IEC 60068-2-2 (Test Bd, Operating Dry Heat), IEC 60068-2-14 (Test Nb, Operating Thermal Shock): -20 to 70...
- Page 14 14 FLEX Ex Redundant ControlNet Barrier Module 1797-BCNR Specifications Relative Humidity IEC 60068-2-30 (Test Db, Un-packaged Non-operating Damp Heat): 5 to 95% non-condensing Shock IEC60068-2-27 (Test Ea, Unpackaged shock): Operating 30g Non-operating 50g Vibration IEC60068-2-6 (Test Fc, Operating): 5g @ 10-500Hz Emissions CISPR 11: Group 1, Class A...
- Page 15 FLEX Ex Redundant ControlNet Barrier Module 15 Certifications Attribute Value Agency Certification (when Marking and Classification product is marked) UL, C-UL Associated Apparatus, Class I, Division 2, Groups A, B, C and D; Class II, Groups E, F and G; Class III Hazardous Locations;...
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Page 16: Describing The Controlnet Ex System Diagrams
16 FLEX Ex Redundant ControlNet Barrier Module Describing the ControlNet Ex System Diagrams A maximum of 48 ControlNet Ex nodes may be connected together by 250m of coax cable and 48 taps. The distance increases to 1000m when you use only 2 taps. See the table below for more information. The fiber media of the 1797-RPFM can be installed in a hazardous location (Zone 0, 1 or 2;... - Page 17 FLEX Ex Redundant ControlNet Barrier Module 17 System Catalog Catalog Name Description Diagram Name Number 1797-BCNR 1797-BCNR ControlNet Ex Allows connection between a Redundant Media ControlNet system and a Adapter ControlNet Ex system CNet Ex Tap Trm 1797-TCAP ControlNet Ex Tap Represents one ControlNet Ex (Dummy) Terminator node and is a simple capacitor...
- Page 18 18 FLEX Ex Redundant ControlNet Barrier Module Certified Equivalent ControlNet Ex System Diagram Items You may use these items as equivalents for the items shown on the system diagram. System Diagram Name Catalog Number Source 1797-RPA 1797-RPA Allen-Bradley 1797-RPFM 1797-RPFM Allen-Bradley 1797-ACNR15 1797-ACNR15 Allen-Bradley 1797-RG6 Allen-Bradley Coax Trunk Cable Belden Wire &...
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Page 19: Certification Specific Controlnet Ex System Diagrams
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. Allen-Bradley 1 Allen-Bradley Dr. Mayfield Hts., OH USA ControlNet Ex System DMT 99 ATEX E 065 X... -
Page 20: System Diagram
20 FLEX Ex Redundant ControlNet Barrier Module CENELEC ControlNet Ex System Diagram Publication 1797-IN536E-EN-P - August 2017... - Page 21 FLEX Ex Redundant ControlNet Barrier Module 21 UL, C-UL ControlNet Ex System Diagram Publication 1797-IN536E-EN-P - August 2017...
- Page 22 22 FLEX Ex Redundant ControlNet Barrier Module UL, C-UL ControlNet Ex System Diagram Notes The entity concept allows interconnection of intrinsically safe apparatus with associated apparatus not specifically examined in combination as a system when the approved values of V and I or V and I...
- Page 23 FLEX Ex Redundant ControlNet Barrier Module 23 Application The 1797-BCNR/* functions as a barrier for signals between ControlNet and ControlNet Ex. The 1797-BCNR must be installed in safe, Zone 2 or Division 2 areas. Isolator Boot for ControlNet Ex The isolator boot for the ControlNet Ex 1797-BCNR connectors can only be removed when a ControlNet Ex trunk cable is connected.
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Page 24: Rockwell Automation Support
Outside United States Please contact your local Rockwell Automation representative for return procedure. Allen-Bradley, Rockwell Automation, ControlLogix, RSLinx, TechConnect, and FLEX I/O are trademarks of Rockwell Automation, Inc. Trademarks not belonging to Rockwell Automation are property of their respective companies.