ATEX certified encoders

ATEX certified encoders from Lika Electronic

By: Lika Electronic  10/21/2016
Keywords: Gas, Mining, Motion Control

Compliance with the ATEX ("Atmosphères explosibles") European Directive is a legal requirement in all European Union Member States for any equipment intended for use in potentially explosive atmospheres. Equipment and protective systems for use in hazardous areas must comply with the statements of the ATEX Directive 2014/34/EU, commonly referred to as the new ATEX "product" directive, which is applicable from 20 April 2016 and replaces the previous Directive 94/9/EC. Lika Electronic has developed a comprehensive range of ATEX certified encoders: XC77 series, XAC77 series and XAC80 series. They are designed to cover a wide variety of critical applications in hazardous and harsh areas “in which explosive atmospheres caused by gases, vapours, mists or air/dust mixtures are likely to occur occasionally” (category 2 encoders) and “in which explosive atmospheres caused by gases, vapours, mists, or air/dust mixtures are unlikely to occur or, if they do occur, are likely to do so only infrequently and for a short period only” (category 3 encoders). | Category 2 encoders suitable for zones 1, 2, 21 and 22. XC77 and XAC77 series ATEX certified encoders are “high protection” category 2 compliant encoders: they provide an airtight, explosion-proof and flameproof enclosure and high ignition protection level against both gas and dust explosive atmospheres and are intended for use in Zones 1, 2, 21 and 22 and in the temperature class T6 (T85°C). They come in both incremental (XC77 series) and absolute (XAC77 series) versions and the most complete range of communication interfaces. Incremental versions provide NPN, Push-Pull, Line Driver and Universal level output signals. Absolute versions support a variety of electrical, fieldbus and Ethernet interfaces: SSI, BiSS, bit parallel, analogue, Profibus-DP, CANopen DS406, DeviceNet, Profinet, POWERLINK, EtherCAT and Modbus TCP. They bear the following ATEX marking, it is described below: II2 GD, Ex d IIC T6 Gb, Ex tb IIIC T85°C Db, IP65 | II2 GD, Ex d IIB T6 Gb, Ex tb IIIC T85°C Db, IP65. | Category 3 encoders suitable for zones 2, 22. XAC80 series ATEX certified encoders are the fieldbus and Ethernet absolute encoders designed to provide “normal protection” in potentially explosive atmospheres (category 3) and are allowed to be used in Zones 2 and 22 and in the temperature class T5 (T100°C). They are offered in absolute version and the most complete range of communication interfaces: SSI, BiSS, bit parallel, analogue, Profibus-DP, CANopen DS406, DeviceNet, Profinet, POWERLINK, EtherCAT and Modbus TCP. They bear the following ATEX marking, it is described here below: II3 GD, Ex nA IIB T5 Gc, Ex tc IIIC T100° Dc, IP65. Technical specifications at http://www.lika.it/eng/prodotti.php?id_cat=267&filtro=50

Keywords: Absolute Encoder, Atex, Control Products, Gas, Incremental Encoder, Linear Encoders, Mining, Motion Control, Motion Control Products, Motion Sensors, Offshore, Optical Encoders, position sensors, Rotary Encoders

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