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HANNOVER MESSE 2018, 23 - 27 April
Homepage>Exhibitors & Products >Absolute rotary encoders with EtherCAT P

Absolute rotary encoders with EtherCAT P

A Single-cable solution: Absolute rotary encoders with Power over Ethe

TR-Electronic

Exhibitor details
Logo Absolute rotary encoders with EtherCAT P

Exhibition stand

Hall 9, Stand G18

Product description

Industrial Ethernet is now a widely accepted standard for automation technology. The networking of devices familiar from the traditional field buses have also been established for new, Ethernet-based interfaces; the bus cable is connected from one device to another. Together with the voltage supply, each node has 3 connector cables. Occasionally this "Daisy-Chain" cabling is not practical. When that occurs, the Power over Ethernet system, offered as an option by TR-Electronic for the Cxx58 family with EtherCAT-P, is an exceptional choice. . The rotary encoder is then supplied with voltage by suitable distributors, e.g. from Beckhoff, directly via the data cable. A star distribution topology is used for this purpose, i.e. each remotely supplied node has its own cable to the distributor node. This is comparable to Power over Ethernet in an office environment, where for example, VoIP phones, access terminals, network cameras and WLAN access points are directly supplied by a switch. If star wiring is advantageous for a specific system configuration, the wiring requirement can also be reduced to one line per rotary encoder through Power over EtherCAT-P. On each line, a maximum of 3A is available for sensor supply, so a single-cable (daisy-chain) structure becomes possible.

The rotary encoder has a specially coded M8 connector which can easily withstand the typical rigors of everyday industrial use. Incorrect connections are avoided by these exclusively coded connectors. Specific cables with molded plugs are a perfect solution for applications with compact-machines. The M8 plugs fit into very narrow grommets allowing for a small overall cable profile.

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