EXTEND-A-BUS Series
6Pages

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Catalog excerpts

EXTEND-A-BUS Series - 1

Data Sheet EXTEND-A-BUS Series Fieldbus Extender for DeviceNet • Fibre optic or coaxial cabling • Star, bus or distributed-star topology • Variable data rates up to 500 kbps • Low-voltage AC- or DC-powered • Panel-mount or DIN-rail mount • CE Mark • RoHS compliant • Extends the length of DeviceNet networks up to 6 km • Fully DeviceNet compliant PRODUCT OVERVIEW The EXTEND-A-BUS Series can extend DeviceNet up to six kilometers — linking individual DeviceNet subnets together into a single larger network. Each EXTEND-A-BUS unit creates a DeviceNet subnet and at least two units are needed to link subnets together. The data rate on each subnet can differ from those of other subnets. DeviceNet identifiers or MAC IDs cannot be duplicated on any of the subnets. Each EXTEND-A-BUS pair is best viewed as an extension cord. A unit does not consume a permanent MAC ID, therefore it is transparent to the network. TD960801-0DB The backbone side of the EXTEND-A-BUS must adhere to standard ARCNET® cabling rules. Companion AI ARCNET active hubs are available for extending the backbone cabling. Hubs are cascaded to achieve the maximum distance: up to 6 km when using coaxial cabling and ten active hubs or up to 4.8 km when using a fibre optic backbone and two active hubs. Page 1

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EXTEND-A-BUS Series - 2

EXTEND-A-BUS Series Network Diagrams required at the ends of both ¡he coaxial cable backbone and optic cable is used on the -FOG axial backbone distributed start topology is achieved. Note lhat ihe hub-to- of ólOm when using coax coble and that no terminali

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EXTEND-A-BUS Series - 3

Data Sheet EXTEND-A-BUS Series Mechanical Power Diagrams + + 0Vdc DC Powered Redundant DC Powered + 0Vdc AC Powered TD960801-0DB AC Powered with Grounded Secondary 0Vdc AC Powered with Battery Backup Page 3

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EXTEND-A-BUS Series - 4

Data Sheet EXTEND-A-BUS Series Specifications Electrical Input voltage Input power Input frequency DC 10–36 Volts 4W N/A Environmental Operating temperature Storage temperature 0°C to +60°C –40°C to +85°C Functionality Data latency 1 ms typical per bridge pair Regulatory Compliance AC 8–24 Volts 4 VA 47–63 Hz CE Mark; CFR 47, Part 15 Class A DeviceNet Port Connection TD960801-0DB Page 4

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EXTEND-A-BUS Series - 5

Data Sheet EXTEND-A-BUS Series Port Specifications DeviceNet Port DeviceNet Volume 1, Release 2.0 Backbone Port ARCNET ANSI/ATA 878.1 Data rate 125 kbps, 250 kbps, 500 kbps selectable 2.5 Mbps LEDs CAN status Module status/network status Link status Reconfiguration status/activity status Transceivers Optically-isolated 82C251 -CXB model: transformer-coupled -FOG model: 850 nm duplex fibre optic Cable DeviceNet Thick -CXB model: RG-62/u coaxial -FOG model: 62.5/125 μm duplex fibre optic Connectors 5 position Open-pluggable -CXB model: BNC -FOG model: ST™ Maximum segment or subnet distance...

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EXTEND-A-BUS Series - 6

Data Sheet EXTEND-A-BUS Series Ordering Information Bus Extenders Model EB/DNET-CXB EB/DNET-FOG Description EXTEND-A-BUS for DeviceNet with coaxial bus backbone EXTEND-A-BUS for DeviceNet with fibre optic backbone Accessories Model AI-XFMR AI-XFMR-E AI-DIN BNC-T BNC-TER Description Wall-mount plug-in transformer, 120 VAC (nom) input/24 VAC (nom) output Wall-mount plug-in transformer, 230 VAC (nom) input/24 VAC (nom) output DIN-rail mounting kit BNC “T” connector 93 ohm BNC terminator Contemporary Controls, ARC Control, ARC DETECT, EXTEND-A-BUS and CTRLink are registered trademarks or...

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