Eaton Crouse-Hinds Series Instruction Manual
Mtl fieldbus networks, fieldbus barrier assemblies for version 2 models and later
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Summary of Contents for Eaton Crouse-Hinds Series
- Page 1 DRAFT - 20 November 2014 Instruction manual November 2017 MTL fieldbus networks INM 9370-SS Rev 7 9371-FB-XX-SS – 6-spur 9373-FB-XX-SS – 12-spur Fieldbus Barrier Assemblies (for Version 2 models and later)
- Page 2 DRAFT - 20 November 2014 Declaration of Conformity A printed version of the Declaration of Conformity has been provided separately within the original shipment of goods. However, you can find a copy of the latest version at http://www.mtl-inst.com/certificates INM 9370-SS Rev 7...
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Page 3: Table Of Contents
DRAFT - 20 November 2014 CONTENTS Declaration of Conformity ............. . ii General Safety Information . -
Page 4: General Safety Information
No changes to any of the components that might impair their explosion protection are permitted. If any information provided here is not clear: • Contact Eaton’s MTL product line or one of its representatives. Note: Improper installation and operation of the enclosure can result in the invalidation of the guarantee. Example of internal label... -
Page 5: Overview
DRAFT - 20 November 2014 937X-FB-XX-SS Fieldbus Barrier 6- & 12-spur, stainless steel enclosure Figure 1.1 - Example of model 9373-FB-ST-SS with trunk surge protection module and six FS32 spur surge protection modules OVERVIEW This manual relates to Version 2 and later Fieldbus Barrier enclosures. For details of earlier versions refer to manual INM9370-SS-1. -
Page 6: Description
DRAFT - 20 November 2014 DESCRIPTION The model numbers given comprise a stainless steel, increased safety, Ex e enclosure containing one or two carrier-mounted fieldbus barriers. A single barrier module converts a single, non-intrinsically safe fieldbus trunk into six intrinsically safe (IS) spur connections for connection to F ™... - Page 7 DRAFT - 20 November 2014 Figure 3.1 - External dimensions and mounting hole positions for the 6-way enclosure (9371-FB-XX-SS) Figure 3.2 - External dimensions and mounting hole positions for the 12-way enclosure (9373-FB-XX-SS) INM 9370-SS Rev 7...
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Page 8: Preparation
DRAFT - 20 November 2014 WARNING! It is not permitted to create additional holes in the enclosure as this would violate the certification. Preparation a) Remove any temporary protection or packing materials. b) The enclosure can be mounted on any suitable structure using the enclosure’s integral mounting brackets. -
Page 9: Initial Electrical Installation
DRAFT - 20 November 2014 INITIAL ELECTRICAL INSTALLATION WARNING! Before starting any electrical installation work, ensure that the incoming trunk connection is isolated from any source of power. CAUTION The temperature inside the enclosure could rise to 75°C. Ensure that all cables and cable glands fitted are rated to withstand these temperatures. - Page 10 DRAFT - 20 November 2014 The cable shield wiring of the trunk and spur cables should be connected to the local terminals marked with an ‘S’. The enclosures can be configured by the user to either of two grounding methods. The user should adopt the one that conforms to their system’s normal grounding method.
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Page 11: Trunk Connections
DRAFT - 20 November 2014 Trunk connections Each enclosure is provided with two access holes for trunk glands; one for the incoming trunk and another for onward linking to an additional enclosure, if necessary. WARNING! No part of the Trunk Terminal Assembly may be worked while the enclosure is powered, unless the environment is known to be non- hazardous. - Page 12 DRAFT - 20 November 2014 Non- intrinsically safe trunk 9371-FB 6-spur enclosure Host Control System 9377-FB-R Fieldbus Fieldbus Barrier module Power (6-spur) Supply Intrinsically safe spur Fieldbus instruments Non- intrinsically 9371-FB 6-spur 9371-FB 6-spur safe trunk enclosure enclosure Host Control System 9377-FB-R 9377-FB-R...
- Page 13 DRAFT - 20 November 2014 Position of Terminator Trunk Surge module module (optional) Cover retaining screw Slide protective cover in this direction to remove Trunk wiring terminals Protective ground stud Trunk cable entry area Enclosure wall Figure 4.4 - Trunk Termination Assembly (TTA) 1S 2S 3S 1–...
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Page 14: Trunk Terminator Module 9378-Ft
DRAFT - 20 November 2014 Trunk Terminator module 9378-FT If the enclosure provides the last (or only) spur connections on the segment, the trunk must be terminated correctly to ensure that the optimum signal quality is maintained. The Trunk Termination Assembly (TTA) has provision for an 9378-FT Terminator module to be fitted when required. -
Page 15: Blanking Plugs
DRAFT - 20 November 2014 To fit an FS32: 1. Unscrew the two captive screws securing the standard pluggable connector (supplied on the carrier) and remove it from its socket. 2. Insert the FS32 module into the now vacant socket on the carrier, tighten the two side securing screws and the central “protective ground”... -
Page 16: Maintenance
DRAFT - 20 November 2014 MAINTENANCE When the enclosure is installed in a hazardous area it is important for personnel to understand what activities are permissible when fieldbus power is present and what are not. WARNING! Read and understand what work is permitted inside the enclosure. Failure to comply with these instructions can endanger the lives or health of personnel and risk damage to the plant and the environment. -
Page 17: Terminator And Trunk Surge Protection Modules
DRAFT - 20 November 2014 Removing a Fieldbus Barrier module Figure 5.2 - Safety retaining clip for barrier a) Loosen the three captive fixing screws on the module to release it. The screws are spring-loaded and should retract when the thread has disengaged. b) Slowly pull the fieldbus barrier module away from its connections on the carrier until the safety retaining clip stops further removal. - Page 18 DRAFT - 20 November 2014 Front clip A contact socket Safety retaining clip Figure 5.4 - Mounting a module - e.g. Trunk Surge Protection module 5.3.1.1 Mounting a module Refer to Figure 5.4. Orientate the module so that the smaller front clip is facing the user, then: •...
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Page 19: Spur Connections
DRAFT - 20 November 2014 Spur connections All of the spur connections are intrinsically safe and therefore may be live-worked in a hazardous area without ‘gas clearance’, while complying with normal ‘permit to work’ procedures. If spur wiring is removed from a connecting plug, ensure that the same polarity is observed when it is reconnected. -
Page 20: Trunk Connections
DRAFT - 20 November 2014 Trunk connections WARNING! No work is permitted on any part of the Trunk Terminal Assembly while the enclosure is powered, unless the environment is known to be non-hazardous. Gaining access to the contents of the Trunk Terminal Assembly requires the trunk power to the enclosure to be isolated, or a gas clearance certificate obtained. -
Page 21: Troubleshooting
DRAFT - 20 November 2014 TROUBLESHOOTING The Fieldbus Barriers inside the enclosure are fitted with LED indicators to assist the user in fault identification. Consult the following tables to understand the meaning of the LED states. Power LED (Green) Trunk power applied Insufficient or no trunk power NOTE The Power LED will not light until the voltage at the barrier has risen to a value... -
Page 22: Atex Information
DRAFT - 20 November 2014 ATEX information The Essential Health and Safety Requirements (Annex II) of the EU Directive 2014/34/ EU [the ATEX Directive - safety of apparatus] requires that the installation manual of all equipment used in hazardous areas shall contain certain information. This annex is included to ensure that this requirement is met. -
Page 23: Repair
DRAFT - 20 November 2014 Repair The modules used in this product cannot be repaired by the user and must be replaced with an equivalent certified product. Marking Each certified component is marked in compliance with the Directive and CE marked with the Notified Body Identification Number. -
Page 24: Appendix 1 - Enclosure Wiring Diagrams
DRAFT - 20 November 2014 APPENDIX 1 - ENCLOSURE WIRING DIAGRAMS Wiring diagram for 9371-FB-XX-SS page 21 Wiring diagram for 9373-FB-XX-SS page 22 INM 9370-SS Rev 7... -
Page 25: Wiring Diagram For 9371-Fb-Xx-Ss
DRAFT - 20 November 2014 Wiring diagram for 9371-FB-XX-SS INM 9370-SS Rev 7... -
Page 26: Wiring Diagram For 9373-Fb-Xx-Ss
DRAFT - 20 November 2014 Wiring diagram for 9373-FB-XX-SS INM 9370-SS Rev 7... - Page 27 DRAFT - 20 November 2014 This page left intentionally blank INM 9370-SS Rev 7...
- Page 28 MTL Instruments GmbH, Heinrich-Hertz-Str. 12, 50170 Kerpen, Germany UNITED ARAB EMIRATES Cooper Industries/Eaton Corporation Tel: +49 (0)22 73 98 12 - 0 Fax: +49 (0)22 73 98 12 - 2 00 Office 205/206, 2nd Floor SJ Towers, off. Old Airport Road, E-mail: csckerpen@eaton.com...
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