UK ATEX operating instructions T splitter
Contents
1. 7390937 00 07 2012 CE ifm electronic ATEX operating instructions T splitter stainless steel E7354A Remarks for safe use in hazardous areas Functions and features Use in hazardous areas according to the classification usc Lisp group Il category 3 apparatus for gas and dust atmosphere Complies with the standards EN60079 0 EN60079 15 and EN60079 31 Marking EX i136 Ex nA Il T6 Gc X x Il 3D Ex te IIIC T70 C De X Installation Set up The units must only be installed connected and set up by qualified staff The qua lified 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 Adhere to the relevant national regulations and provisions Permissible operating temperature of the application 0 60 C With the T splitter the AS i voltage and external auxiliary voltage can be tapped via the M2 socket current rating 4 A B Disconnect the power supply Important notes Ensure when replacing the T splitter that the pierced points on the AS i flat cable are either used again or are placed within the black seal area of the T splitter If no connector is fitted to the M12 socket tightening torque 0 6 0 8 Nm ensure that the protective cover is in place NO Mounting of the lower part Select a flat mounting surface Fix the low2. er part onto the mounting surface mounting holes 1 the mounting screws are not supplied The supplied rubber blanks should be used to seal unused cable ducts Insert the AS i flat cable yellow into the AS i cable duct and the 24 V flat cable black into the other cable duct Ensure correct positioning of the cables in the profiled slot Mounting of the upper part Put the upper part on the lower part and tighten the screws alternately screws Supplied 1 M12 socket tightening torque 0 6 0 8 Nm 2 Screws tightening torque 2 5 Nm Mounting drawing Cable guide lower part Take care in laying the AS i flat cable the flat cable should be laid straight for about 15 cm Special conditions for safe operation Avoid electrostatic charging on plastic units and cables Do not mount the module in the dust flow Avoid dust deposits on the splitter box Avoid electrostatic charging only clean the unit with a damp cloth In principle rubbing with non conductive materials must be avoided Avoid direct radiation with high UV components sunlight mount the unit in a protected place The unit is rated for low impact energy EN60079 0 table 8 4 joules Protect splitter box and cable against destruction The unit with the M12 protective cover in place meets the requirements of the categories 3D and 3G Use connectors which are suited for hazardous areas e g ifm connectors EVC A with Ex certificate cer
3. tificate number BVS 08 ATEX E 109 U Do not separate the module upper part from the FC lower part while live Do not separate the M12 connectors when energised When connecting an M12 connector ensure that the O ring is present and undamaged in the socket Check the tightening torque of the screws two weeks after mounting and retighten them if necessary Protective caps housing upper and lower parts and M12 fittings may only be opened or closed in a sufficiently clean environment For use in hazardous areas according to the indication compliance with the protection rating is essential Therefore appropriate care must be taken when mounting the housing and the seals Only use the supplied lower part and supplied seals If only one cable duct is used the other one has to be closed using the flat cable blank Flat cables must be firmly laid Loads on the entry caused by strain or movement of the flat cables must be avoided Maintenance Repair The unit must not be modified nor can it be repaired In case of a fault please contact the manufacturer The data sheet and the EC declaration of conformity are available from the manufacturer on request
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