Technical Data. Dimensions

Transcription

1 Model Number Features 40 mm flush 4-wire DC ATEX-approval for zone 2 and zone 22 S Technical Data specifications Switching element function PNP NO/NC Rated operating distance s n 40 mm Installation flush Output polarity DC Assured operating distance s a mm Reduction factor r Al 0.25 Reduction factor r Cu 0.23 Reduction factor r Nominal ratings Operating voltage U B V DC Switching frequency f Hz Hysteresis H typ. 3 % Reverse polarity protection Voltage drop U d 3 V Operating current I L ma Off-state current I r ma No-load supply current I 0 20 ma Time delay before availability t v 300 ms reverse polarity protected Operating voltage indicator LED, green Switching state indicator LED, yellow Functional safety related parameters MTTF d 630 a Mission Time (T M ) 20 a Diagnostic Coverage (DC) 0 % Ambient conditions Ambient temperature C ( F) Mechanical specifications Connection type screw terminals Core cross-section up to 2.5 mm 2 Housing material Sensing face Housing base Degree of protection IP68 information Use in the hazardous area see instruction manuals Category 3G; 3D Compliance with standards and directives Standard conformity Standards EN :2007 IEC :2007 Approvals and certificates UL approval culus Listed, Purpose CSA approval ccsaus Listed, Purpose CCC approval Certified by China Compulsory Certification (CCC) Dimensions LEDs ø M20 x ø LEDs 1

2 Electrical Connection L+ L- Installation Hint These sensors are especially designed for embeddable mounting in conveyor floors. Due to its precise location in metal base plates the sensor is afforded a high degree of mechanical protection. No clearance is required between the sensor and the base plate, avoiding the need for protective guarding to prevent possible foot injury. The large sensing range ensures positive detection, and thus provides consistent control and monitoring of the conveyor. 2

3 ATEX 3G (na) Device category 3G (na) Certificate of Compliance for use in hazardous areas with gas, vapour and mist PF 15CERT3754 X II 3G Ex na IIC T6 Gc The Ex-related marking can also be printed on the enclosed label. Standards EN :2012+A11:2013, EN :2010 Ignition protection category "n" Use is restricted to the following stated conditions The apparatus has to be operated according to the appropriate data in the data sheet and in this instruction manual. The data stated in the data sheet are restricted by this operating instruction! The special conditions must be observed! Laws and/or regulations and standards governing the use or intended usage goal must be observed. If the Ex-related marking is printed only on the supplied label, then this must be attached in the immediate vicinity of the sensor. The sticking surface for the label must be clean and free from grease. The attached label must be legible and indelible, including in the event of possible chemical corrosion. After opening the housing, you should check that the seal is in the correct position and is clean and intact before closing the housing again. Repairs to these apparatus are not possible. After opening the housing, you should check that the seal is in the correct position and is clean and intact before closing the housing again. The maximum permissible load current must be restricted to the values given in the following list. High load currents and load short-circuits are not permitted. Maximum operating voltage U Bmax The maximum permissible operating voltage UB max is restricted to the values in the following list. Tolerances are not permissible. Maximum permissible ambient temperature T Umax dependant of the load current I L and the max. operating voltage U Bmax. Information can be taken from the following list. 44 C (111.2 F) 45 C (113 F) 51 C (123.8 F) 55 C (131 F) 56 C (132.8 F) at U Bmax =30 V, I L =25 ma 57 C (134.6 F) Protection from mechanical danger The sensor must not be exposed to ANY FORM of mechanical danger. Protection from UV light The sensor and the connection cable must be protected from damaging UV-radiation. This can be achieved when the sensor is used in internal areas. Protection against transients Ensure transient protection is provided and that the maximum value of the transient protection (140% of 85 V) is not exceeded. When used in group IIC non-permissible electrostatic charges should be avoided on the plastic housing parts. Avoid electrostatic charges that can cause electrostatic discharge when installing or operating the device. Information on electrostatic hazards can be found in the technical specification IEC/TS If cable glands are required for the installation then the following points must be observed: The cable glands must be certified in accordance with the application. The temperature range of the cable glands must be selected according to the application. The degree of protection must not be reduced by the cable glands. Seal the housing. Use a seal that meets the requirements of the application. Material selection accessories When selecting accessories, ensure that the material allows the temperature of the enclosure to rise to up to 70 C. The plug connector must not be withdrawn under voltage. The proximity switch is identified as follows: "WARNING - DO NOT SEPARATE WHEN ENERGIZED". With the plug connector disconnected, soiling of the internal area must be prevented.(i.e. the area that is inaccessible when the connector is inserted) 3

4 ATEX 3D Note Device category 3D This instruction is only valid for products according to EN , valid until 30-September-2008 Note the ex-marking on the sensor or on the enclosed adhesive label for use in hazardous areas with non-conducting combustible dust II 3D IP67 T 96 C (204.8 F) X Standards EN Protection via housing Use is restricted to the following stated conditions The apparatus has to be operated according to the appropriate data in the data sheet and in this instruction manual. The data stated in the data sheet are restricted by this operating instruction! The special conditions must be adhered to! Laws and/or regulations and standards governing the use or intended usage goal must be observed. Repairs to these apparatus are not possible. The maximum permissible load current must be restricted to the values given in the following list. High load currents and load short-circuits are not permitted. Maximum operating voltage U Bmax The maximum permissible operating voltage UBmax must be restricted to the values given in the following list. Tolerances are not permitted. Maximum heating (Temperature rise) dependant of the load current I L and the max. operating voltage U Bmax. Information can be taken from the following list. The maximum surface temperature at maximum ambient temperature is given in the Ex identification of the apparatus. 26 K 25 K 22 K 22 K 19 K 15 K 13 K Protection from mechanical danger The sensor must not be mechanically damaged. Connections for external wire Sliding contact discharges must be avoided. s must be avoided on the mechanical housing components. Dangerous electrostatic charges on the mechanical housing components can be avoided by incorporating these in the equipotential bonding. Terminal connection: Minimum conductor cross-section: 0.5 mm 2, maximum conductor cross-section: 2.5 mm 2. The ends of the conductor must be provided with cable sleeves. The cable entry must be such, that no tension load or twist is applied to the cable The protection category must be in accordance with EN and as stated in the data sheet. The cable entry must be designed so that there are no sharp edges to damage the cable and impair the level of protection of the sensor. The cable entry must be in accordance with the relevant European standard for industrial cable and lead entries.. In addition, in the case of flexible leads, the points of entry of the cable must be rounded off over an angle of at least 75, with a radius (R), which is at least one quarter of the maximum permissible cable diameter for the entry, but not greater than 3 mm. The plug connector must not be disconnected under voltage. The proximity switch is marked as follows: "DO NOT DISCON- NECT UNDER VOLTAGE!" When the plug connector is disconnected the ingress of dirt into the inner areas (i.e. the areas, which are not accessible in the plugged-in condition) must be prevented. 4

5 ATEX 3D (tc) Device category 3D Certificate of Compliance for use in hazardous areas with combustible dust PF 15CERT3774 X II 3D Ex tc IIIC T80 C Dc The Ex-related marking can also be printed on the enclosed label. Standards EN :2012+A11:2013, EN :2014 Protection by enclosure "tc" Some of the information in this instruction manual is more specific than the information provided in the datasheet. The corresponding datasheets, declarations of conformity, EC-type examination certificates, certifications, and control drawings, where applicable (see datasheets), form an integral part of this document. These documents can be found at The maximum surface temperature of the device was determined without a layer of dust on the apparatus. Some of the information in this instruction manual is more specific than the information provided in the datasheet. Laws and/or regulations and standards governing the use or intended usage goal must be observed. If the Ex-relevant identification is printed exclusively on the adhesive label provided, this label must be affixed in the immediate vicinity of the sensor! The background surface to which the adhesivelabel is to be applied must be clean and free from grease! The applied label must be durable and remain legible, with due consideration of the possibility of chemical corrosion! After opening the housing, you should check that the seal is in the correct position and is clean and intact before closing the housing again. Repairs to these apparatus are not possible. After opening the housing, you should check that the seal is in the correct position and is clean and intact before closing the housing again. The maximum permissible load current must be restricted to the values given in the following list. High load currents and load short-circuits are not permitted. Maximum operating voltage U Bmax The maximum permissible operating voltage UBmax must be restricted to the values given in the following list. Tolerances are not permitted. Maximum permissible ambient temperature T Umax dependant of the load current I L and the max. operating voltage U Bmax. Information can be taken from the following list. 44 C (111.2 F) 45 C (113 F) 51 C (123.8 F) 55 C (131 F) 56 C (132.8 F) Protection from mechanical danger The sensor must not be exposed to ANY FORM of mechanical danger. Protection from UV light The sensor and the connection cable must be protected from damaging UV-radiation. This can be achieved when the sensor is used in internal areas. Sliding contact discharges must be avoided. Avoid electrostatic charges that can cause electrostatic discharge when installing or operating the device. Information on electrostatic hazards can be found in the technical specification IEC/TS Do not attach the nameplate provided in areas where electrostatic charge can build up. Connections for external wire Terminal connection: Minimum conductor cross-section: 0.5 mm 2, maximum conductor cross-section: 2.5 mm 2. The ends of the conductor must be provided with cable sleeves. If cable glands are required for the installation then the following points must be observed: The cable glands must be certified in accordance with the application. The temperature range of the cable glands must be selected according to the application. The degree of protection must not be reduced by the cable glands. Seal the housing. Use a seal that meets the requirements of the application. The plug connector must not be withdrawn under voltage. The proximity switch is identified as follows: "WARNING - DO NOT SEPARATE WHEN ENERGIZED". With the plug connector disconnected, soiling of the internal area must be prevented.(i.e. the area that is inaccessible when the connector is inserted) 5