Rockwell Automation 1797-BCNR User Manual
Installation Instructions
FLEX Ex Redundant ControlNet Barrier Module
Cat. No. 1797-BCNR
Important User Information
Solid state equipment has operational characteristics
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
consequential damages resulting from the use or application of this equipment.
The examples and diagrams in this manual are included solely for illu
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 Auto
information, circuits, equipment, or software described in this manual.
Reproduction of the contents of this manual, in wh
of Rockwell Automation, Inc. is prohibited.
Throughout this manual we use notes to make you aware of s
differing from those of
responsible or liable for indirect or
strative purposes.
mation, Inc. with respect to use of
ole or in part, without written permission
afety considerations.
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2 FLEX Ex Redundant ControlNet Barrier Module
Important User Information
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
ATTENTION
SHOCK HAZARD
BURN HAZARD
1
2
Identifies information that is critical for successful application and understanding of the
product.
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
Labels may be located on or inside the equipment to alert people that dangerous voltage
may be present.
Labels may be located on or inside the equipment to alert people that surfaces may be
dangerous temperatures.
In
In
Channel A
Channel B
Out
Out
4
3
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FLEX Ex Redundant ControlNet Barrier Module 3
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.
Use the redundant ControlNet™ barrier module to interconnect between
ControlNet and ControlNet Ex™ networks.
Component Identification
1 ControlNet Channel A In
2 ControlNet Channel B In
3 ControlNet Ex Channel B Out
4 ControlNet Ex Channel A Out
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4 FLEX Ex Redundant ControlNet Barrier Module
.
x
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.
Hazardous Area
ControlNet Ex TAP
(e.g., 1797-TPR)
.
.
ControlNet E
Adapter
ControlNet Ex
TAP
ControlNet A
ControlNet Ex TAP
(e.g., 1797-TPR)
ControlNet B
ControlNet Ex TAP
(e.g., 1797-TPR)
Safe Area
ControlNet barrier
PA
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FLEX Ex Redundant ControlNet Barrier Module 5
Mounting the Barrier on a DIN Rail Before Installing Modules
A
B
In
In
C
Channel A
Channel B
Out
Out
B
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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.
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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
Konigsberger Allee 85-87, D-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
68301 Mannheim
IVK2-ISRPI-V8LC (or IVK2-ISRPI-V8HYW or
IVK2-ISRPI-V16LC)
II 3D IP54 T 70°C
CE
Serial (manufacturing) number
Model Year
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Electrostatic Charge
FLEX Ex Redundant ControlNet Barrier Module 7
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.
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 89/336/EEC
Electromagnetic Compatibility (EMC) as amended by 92/31/EC and
93/68/EEC, by applying the following standards:
• EN 61000-6-4:2001, Electromagnetic Compatibility (EMC) - Part 6-4:
Generic Standard for Industrial Environments (Class A)
• EN 61000-6-2:2001, Electromagnetic Compatibility (EMC) - Part 6-2:
Generic Standards - Immunity for Industrial Environments
• EN61326-1997 + A1-A2, Electrical Equipment For Measurement,
Control, and Laboratory Use - Industrial EMC Requirements
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ATEX Directive
These products are tested in conjunction with associated I/O modules to
meet the Council Directive 94/9/EC (ATEX) Equipment and Protective
Systems Intended for Use in Potentially Explosive Atmospheres by applying
the following standards:
• EN50014:1997 + A1-A2, Electrical Apparatus for Potentially
Explosive Atmospheres
• EN50020:1994, Electrical Apparatus for Potentially Explosive
Atmospheres - Intrinsic Safety “i”
• EN50021:1999, Electrical Apparatus for Potentially Explosive
Atmospheres - Non-Sparking “n”
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 508, Industrial Control Equipment
• 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
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