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ControlNet Dual Copper Repeater Module
Catalog Number 1786-RPCD
This document describes how to install and apply the 1786-RPCD dual copper repeater
module.
Topic:
Installation Instructions
Publication 1786-IN001B-EN-P - May 2004
Page:
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Table of Contents
Related Manuals for Allen-Bradley ControlNet 1786-RPCD
Summary of Contents for Allen-Bradley ControlNet 1786-RPCD
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Page 1: Table Of Contents
Installation Instructions ControlNet Dual Copper Repeater Module Catalog Number 1786-RPCD This document describes how to install and apply the 1786-RPCD dual copper repeater module. Topic: Page: European Hazardous Location Approval North American Hazardous Location Approval About the Dual Copper Repeater Module Mount the Repeater Module Use Trunk Line Terminators Remove the Repeater Module from the DIN Rail... - Page 2 ControlNet Dual Copper Repeater Module 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.ab.com/manuals/gi) describes some important differences between solid state equipment and hard-wired electromechanical devices.
- 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: European Hazardous Location Approval
ControlNet Dual Copper Repeater Module 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 5 IP54 protection when applied in Class I, Zone 2 environments. This equipment shall be used within its specified ratings defined by Allen-Bradley. Provision shall be made to prevent the rated voltage from being exceeded by transient disturbances of more than 40% when applied in Class I, Zone 2 environments.
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Page 6: North American Hazardous Location Approval
ControlNet Dual Copper Repeater Module North American Hazardous Location Approval The following information applies when Informations sur l’utilisation de cet équipement en operating this equipment in hazardous environnements dangereux: locations: Products marked “CL I, DIV 2, GP A, B, C, D” are Les produits marqués "CL I, DIV 2, GP A, B, C, D"... -
Page 7: About The Dual Copper Repeater Module
ControlNet Dual Copper Repeater Module If you insert or remove the module while backplane power is WARNING on, an electrical arc can occur. This could cause an explosion in hazardous location installations.If you insert or remove the module while backplane power is on, an electrical arc can oc- cur. - Page 8 ControlNet Dual Copper Repeater Module The figure below identifies the components of the module: The left side of the module (not shown here) also contains a backplane connector. Indicators Right-side backplane connector with protective cover 75 Ω BNC Trunk line terminators Channel 1 (1786-XT) Module...
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Page 9: Mount The Repeater Module
The use of other DIN rail materials (e.g., aluminum, plastic, etc.) that can corrode, oxidize, or are poor conductors, can result in improper or intermittent grounding. 1. Position the module on the 35×7.5mm DIN rail (Allen-Bradley part number 199-DRI; 46277-3; EN 50022) at a 30° angle. 30074-M... - Page 10 ControlNet Dual Copper Repeater Module 30076-M 4. Use a screwdriver to move the locking tab down while you press the module flush onto the DIN rail. Release the locking tab to secure the module in place. If necessary, push up on the locking tab to secure the module in place. 30074-M Publication 1786-IN001B-EN-P - May 2004...
- Page 11 ControlNet Dual Copper Repeater Module 5. Once you attach the modules to the DIN rail, slide the modules to the left to attach to the repeater adapter or another repeater module. You must use a DIN rail end anchor on the right side of the copper module if it is the right-most module.
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Page 12: Use Trunk Line Terminators
ControlNet Dual Copper Repeater Module 8. Connect the module wiring as shown in Connect the Module For Coax Channels 1 and 2 on page 14. 9. Ground your DIN rail in accordance with local codes using a minimum #14 AWG wire. -
Page 13: Remove The Repeater Module From The Din Rail
ControlNet Dual Copper Repeater Module Remove the Repeater Module from the DIN Rail To remove the module from the DIN rail, do the following: 1. Insert a screwdriver into the module locking tab. 31491-M 2. Gently pry up on the locking tab. The module should detach from the DIN rail. - Page 14 ControlNet Dual Copper Repeater Module Connect the Module For Coax Channels 1 and 2 1. Connect the ControlNet tap to port #1. a. Align the knob of the BNC cable connector with the locks of the BNC module connector, and insert the connector into channel 1. BNC connector 75 Ω...
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Page 15: Understand Common Topologies
ControlNet Dual Copper Repeater Module Understand Common Topologies The following topologies show how you can use the module. Series Topology The following figure shows the 1786-RPCD wired in series. This topology can be used to extend the trunk line. Connect 1786-RPA repeater adapter to a 24V dc Class 2 power supply. - Page 16 ControlNet Dual Copper Repeater Module Star Topology The following figure shows a star configuration that supports 16 usable segments. The two 1786-RPA repeater adapters create a central hub with the 1786-RPCD modules forming 16 segments. 16 segments, 2 1786-RPA repeater adapters in series with a maximum of 4 1786-RPCD modules per repeater adapter.
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Page 17: Understand Constraints Of The Coax Segment
ControlNet Dual Copper Repeater Module Redundant Topology Use redundant media when you need module and media redundancy. With redundant media, the channel-to-channel skew travel time difference must be less than 1.6µs. Redundant media can be used with series and star topologies. You cannot use redundant media with ring redundant topology. - Page 18 ControlNet Dual Copper Repeater Module Figure 1 Maximum segment length (assumes you are using 1786-RG6 coax cable) 1000 (3280) 750 (2460) 500 (1640) 250 (820) number of taps maximum allowable segment length = 1000m (3280ft) - 16.3m (53.4ft) X [number of taps - 2] 30014-M If your segment requires 10 taps, the maximum segment length is: EXAMPLE...
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Page 19: Status Indicators
ControlNet Dual Copper Repeater Module Status Indicators The figure below identifies indicators on the module: Channel 1 status Channel 2 status 31489-M The table below defines Channel 1 and Channel 2 status indicators. Status Indicator: Probable Cause: No power or module faulted Green Channel operational Flashing Green/Off... -
Page 20: Mounting Dimensions
ControlNet Dual Copper Repeater Module Mounting Dimensions The figure below shows the dimensions for mounting the module. 4.44in (111mm) 2.76in 4.0in (69mm) (100mm) 3.6in 4.048in (90mm) (101.2mm) 31495-M Specifications Specification Value Operational 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): 0 to 60 °C (32 to 140 °F) Storage Temperature... - Page 21 ControlNet Dual Copper Repeater Module Specification Value Emissions CISPR 11: Group 1, Class A ESD Immunity IEC 61000-4-2: 4kV contact discharges 8kV air discharges Radiated RF Immunity IEC 61000-4-3: 10V/m with1kHz sine-wave 80% AM from30MHz to 1000MHz 10V/m with 200Hz 50% Pulse 100% AM at 900MHz EFT/B Immunity IEC 61000-4-4: ±2kV at 5kHz on communications ports...
- Page 22 ControlNet Dual Copper Repeater Module Specification Value 1 - on communications ports Wiring Category Certifications (when product UL Listed Industrial Control Equipment is marked) CSA Certified Process Control Equipment CSA Certified Process Control Equipment for Class I, Division 2 Group A,B,C,D Hazardous Locations - European Union 89/336/EEC EMC Directive, compliant with: EN 50082-2;...
- Page 23 ControlNet Dual Copper Repeater Module Notes: Publication 1786-IN001B-EN-P - May 2004...
- Page 24 Rockwell Automation Support Rockwell Automation provides technical information on the web to assist you in using our products. At http://support.rockwellautomation.com, you can find technical manuals, a knowledge base of FAQs, technical and application notes, sample code and links to software service packs, and a MySupport feature that you can customize to make the best use of these tools.