UK Operating instructions (Ex protection related
Contents
1. ifm electronic Operating instructions Ex protection related part for flow sensors according to EU directive 94 9 EC Annex VIII ATEX group II equipment category 3D 3G efector3ao00 706254 00 09 2012 Remarks for safe use in hazardous areas Functions and features e Use in hazardous areas according to the classification group Il category 3D apparatus for dust atmosphere The requirements of the standards EN 60079 0 and EN 60079 31 are met e Use in hazardous areas according to the classification group II category 3G apparatus for gas atmosphere The requirements of the EN 60079 15 standard are met e Marking see unit or technical data sheet Ex II 3D Ex tc IIIC T95 C Dc X x II 3G Ex nA IIC T4 Gc X e Permissible operating temperature of the application proper usage Ta 20 C 60 C Installation Set up The units must only be installed connected and set up by qualified staff The qualified staff must have knowledge of protection classes regulations and provisions for apparatus in hazardous areas Check whether the classification see Marking above and marking on the unit is suitable for the application Installation remarks Installation e Adhere to the respective national regulations and provisions as well as the relevant installation regulations e Avoid electrostatic charging on plastic units and cables e To avoid electrostatic charging clean the unit with a damp cloth onl2. ot separate the connector when energized e Apply a durable warning in suitable form close to the connector reading Do not separate UK when energized or use the enclosed label if you can ensure a durable marking Maintenance Repair The unit must not be modified nor can it be repaired In case of a fault please contact the manufacturer lf required the technical data sheets and EC declarations of conformity can be obtained from the manufacturer see cover sheet back Indicate the article number
3. y Rubbing with non conductive materials must be strictly avoided e To avoid electrostatic charging steps must be taken to ensure the equalisation of potential of metal parts plug housing fixing elements protective housing etc Do not mount the unit in the dust flow e Avoid dust deposits on the units e Protect the units and the cables efficiently against damage e For the connections and the electrical technical data please see the unit marking or the technical data sheet e To avoid soiling do not remove the connector cover until attaching the socket e Avoid direct radiation with high UV components sunlight Mount the unit in a protected place e M12 plugs may only be opened or closed in a sufficiently clean environment 2 Special conditions for safe operation e The housing and housing parts made of plastic were tested in accordance with table 12 of EN 60079 0 for group II and for a low mechanical risk with an impact energy of 4 joules The unit may only be operated with the protective cover attached to it If the protective cover is lost the mechanical stability of the unit is no longer ensured e Use sockets which are suited for hazardous dust areas e g ifm sockets EVC A with 2D certificate certificate number BVS 08 ATEX E 109 U e Protect the sockets by tightening the hexagon coupling nut sufficiently according to the requirements of the Ex protection related operating instructions of the socket Do n
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