UK Operating instructions (Ex protection related part) for the
Contents
1. 07 2014 14001470 03 C ifm electronic Operating instructions Ex protection related part for the submersible pressure transmitter PS3xxA according to the EU directive 94 9 EC Annex VIII ATEX group Il equipment category 1D 1G Remarks for safe use in hazardous areas Functions and features e Use in hazardous areas according to the classification Group category M1 apparatus for mines susceptible to firedamp e Use in hazardous areas according to the classification Group Il category II 1G Il 1 2G Il 2G apparatus for gas atmosphere e Use in hazardous areas according to the classification Group Il category Il 1D apparatus for dust atmosphere EC type test certificate BVS 10 ATEX E 132 X IECEx BVS 10 0085 X e Marking Ex M1 Ex ia Ma Ex II 1 G Ex ia IIA T4 T5 T6 Ga Ex Il 1 2G Ex ia IIC T4 T5 T6 Ga Gb x Il 2 G Ex ia IIC T4 T5 T6 Gb Ex II 1D Ex ia IIIC T120 C Da 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 Connection to intrinsically safe supply isolators Ex ia e Safety related maximum values Voltage Ui 7 VDC Current intensity li Power Pi W for groups and II 750 650 550 mW f2. or group III 16 5 nF 0 1 nF m cable value see Maximum effective internal capacitance Ci type label on the Are pressure transmitter 0 uH 1 uH m cable value see type label Maximum effective internal inductance Li on the submersible pressure transmitter e Permissible ambient and medium temperature at the mounting location proper usage ATEX category Ambient and medium temperature M 1 1G 1 2G 2G T6 10 60 C Ma Ga Ga Gb Gb e 10 40 C 750 mW 10 70 C 650 mW 10 85 C 550 mW 1 D 1 2D 2 D Da Da Db Db Installation remarks Installation Adhere to the respective national regulations and provisions as well as the relevant installation regulations e Avoid electrostatic charging on connection cables e Prepare the cable with ferrules The cable screen is conductively connected to the housing e Ground the cable screen on at least one cable side if the cables are longer than 30 m 2 wires or leave the building Ensure that no moisture penetrates at the end of the cable e Protect units and cables against damage e For the connections and the electrical characteristics please see the unit marking or the technical data sheet Special conditions for safe operation e The unit is suitable for installation through walls which separate zone 0 from zone 1 or zone 20 from zone 21 If itis installed through a zone separating wall the following protection rating
3. to IEC 60529 must be ensured IP 67 for zone 0 zone 1 IP 6X for zone 20 zone 21 For the cable pass through in the zone separating wall the following protection rating to IEC 60529 must be ensured IP 67 for zone 0 zone 1 IP 6X for zone 20 zone 21 Integrate an overvoltage protection if the mounting position is less than 1 m away from the transition into zone 0 e When the submersible pressure transmitter is installed in zone 0 zone 1 the screen of the connection cable and the metal part of the optional tension clamp must be included in the equalisation of potential of the tank e The manufacturer s indications concerning the use of the submersible pressure transmitter in combination with aggressive corrosive media and the risk by mechanical impact must be taken into account Maintenance Repair e The submersible pressure transmitter has to be included in the recurrent pressure test of the tank The unit must not be modified nor can it be repaired In case of a fault please contact the manufacturer If required the technical data sheets and EC declarations of conformity can be obtained from the manufacturer Indicate the article number
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