UK Operating instructions M12 connectors for Ex
Contents
1. Set up UK The M12 connectors 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 M12 connectors is suitable for the application Installation remarks Installation Adhere to the relevant national regulations and provisions The relevant installation regulations must be adhered to The M12 connectors must be protected against intensive electrostatic charging Protect the M12 connectors efficiently against damage The cables must be firmly laid and effectively protected against damage If two intrinsically safe circuits are connected the differential voltage must not exceed 30V Open cable ends must be connected in a junction box with the min protection rating IP 20 or outside the hazardous area For the technical data please refer to the data sheet Special conditions for safe operation If the connector is used in areas requiring category 1G 1D or 2G units the connector and the connected cable must be set up so as to exclude intensive electrostatic charging If several intrinsically safe circuits are connected to the socket the cable must be laid effectively protected against any damage Maintenance Repair The unit must not be modified nor can it be repaired In case of a fault please contact the2. 02 2011 704960 00 CE ifm electronic Operating instructions M12 connectors for Ex i applications ENC A Operating instructions safety related or Ex protection related part Remarks for safe use in hazardous areas Functions and features Use in hazardous areas according to the classification roup Il category 1G apparatus for gas atmosphere roup Il category 2G apparatus for gas atmosphere The requirements of the standards IEC60079 0 and IEC60079 11 are met Use in hazardous areas according to the classification group II category 1D apparatus for dust atmosphere The requirements of the standards EN60079 0 and EN61241 11 are met EC type test certificate BVS 11 ATEX E 009 X IEC Ex type test certificate IECEx BVS11 0002 X Marking x Il 1G Ex ia IIB T6 Ga Ta 25 80 C x 112 G Ex ia IIC T6 Gb x Il 1D Ex ia IIIC T85 C Da alternatively x Il 1D Ex ia IIIB T85 C Da x Il 1G Ex ia IIB T5 Ga Ta 25 90 C x 112 G Exia IIC T5 Gb x Il 1D Ex ia IIIC T95 C Da alternatively x Il 1D Ex ia IIIB T95 C Da Connection only to intrinsically safe limited circuits that do not exceed the following max values Pi group Il Pi group IIIB 550 mW at Ta max 90 C Pi group IIIC 650 mW at Ta max 70 C 750 mW at Ta max 40 C Maximum effective internal inductance Li internal capacitance Ci 2 pHim 0 4 nF m Installation
3. manufacturer If needed you can obtain data sheets or EC type test certificates from the manufacturer
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