Its distinguishing features are a modern design, durable quality and fully tested technology and materials. Namur sensors are used with either standalone amplifiers or namur specific plc input cards. The product also offers a very attractive priceperformance ratio. Namur sensor this inductive proximity sensor, complete with bracket for butterfly valves, requires minimal energy to operate. The namur proximity sensor is widely used in industrial control when a special requirement on maximum energy is to be fulfilled by the sensor. Furthermore, they can be connected to the electronic rotation controls crtp. The proximity sensor or switch controls two form a no contacts for. The normal output state can be reversed using switch s1 for channel i and switch s2 for channel ii in 2channel versions. Conforming to namur standards din 19234 prewired cable or connector models. Incremental rotary encoder rvi84 namur interface in accordance with din en 6094756 function up to two intrinsically safe 2wire namur sensors are integrated in the incremental encoders of the series rvi84.
Proximity sensors and encoders can have namur output. In general, inductive proximity switches consist of four basic elements. There are different reasons why you may need a namur sensor. The sensor varies the impedance across the sensor output, which passes 1 ma or less in the dark condition and 2 ma or more in the. Digital electronic module 4di namur 6es714rd020ab0. Inductive proximity sensors enable the detection, without contact, of metal objects at. With the acquisitions of accusort and ppt vision in 2012, the company offers. The twochannel monitoring relay allows for safetyrelated monitoring up to per. Q45 namur sensors page 4 q45 namur glass fiber optic infrared, 880 nm visible red, 650 nm diffuse mode performance based on 90% reflectance white test card models range cable supply voltage output type excess gain beam pattern infrared, 880 nm 1 10 100 10 mm 0.
Di 8xnamur hf digital input module 6es716tf00 0ca0 8 manual, 022014, a5e0389447801 properties the module has the following technical properties. Turck innovative solutions for automation operating principle ferrite core an inductive proximity sensor consists of a coil and ferrite core arrangement, an oscillator and detector circuit, and a solidstate output figure 1. They eliminate wiring failure while providing noise and contactless wearfree operation even in extreme conditions. A logic interface circuit, controller, plc, dcs, or intrinsically safe is barrier is needed to read these current levels. Inductive proximity sensors generate a magnetic field from their detection faces. Balluff offers a variety of inductive sensor solutions.
All productrelated documents, such as certificates, declarations of conformity, etc. The proximity sensor or switch controls a form c changeover contact for the load. Use stonel light read tester or use a 24 vdc power supply. Namur hazardous location sensors sensor systems ch 1. The standard namur valve vsnc is certified worldwide in accordance with the usual explosionprotection standards and can be used in many industry segments and applications. The oscillator generates a highfrequency electromagnetic field in the sensors target. For failopen mounting configuration see step 2, wire actuator per appropriate wiring diagram, set actuator in the full open position with adjustment screw near its loose limit.
Ip67 with cable ip66 or ip67 hh1 plug depending on connector namur inductive sensor atexiecex. This provides instant verification of the supply state of the sensor. Inductive sensors have three parts of operation the oscillator, triggering circuit and switching amplifier. Namur sensor a 2wire variableresistance dc sensor whose operating characteristics conform to din 19 234. Xspn15122ex inductive sensor namur m30 sn15mm 712vdc cable 2m. Pnp solid state sensor selection guide 1 flying leads are 2 meters in length 2 flying leads are 1.
Turck offers efficient solutions for factory and process automation applications. Namur interface namur proximity sensors traditionally have a constant current path characteristic. Namur is a leading international association of automation technology users namur supports its member companies efforts to generate value added by pooling the skills and competences of automation technology users in the process industry to develop and operateefficient costs, availabilitysustainableand reliable processes. Retroreflective sensor for glass detection, m18 threaded housing design, plastic housing, front optical face, 2. The p8s series magnetic cylinder sensor enables quick, precise and contactless sensing of the pistons position in cylinders. This in turn dictates special requirements on the plc digital input designed to interface with such sensor with regard to accuracy, and reliability. Xspn10122ex inductive sensor namur m30 sn10mm 712vdc cable 2m. Turck usa is a specialist in sensor, fieldbus, and connectivity products, as well as interface technology, humanmachine interfaces hmi, and rfid systems. The piezo valve based electropneumatic converter module 3. On quick visual inspection, a 2wire namur sensor looks the same as a standard 2wire dc sensor. Retroreflective sensor with polarization filter for clear object detection, miniature design with versatile mounting options, detects transparent objects, i. The q45ad9 series namur sensor is designed in accordance with din 19234 iecen 6094756 for operation via twowire connection to an approved apparatus controlled by the variable internal resistance of the sensor.
This one happens to be a proximity sensor, so it senses metal. Putting it simply, when a namur sensor sees a target, the resistance goes from low to high. Special housing design with two sensors connected by flexible cable to the main housing flexible installation with rotating m12 connectors many sensor housing designs available for spacerestricted installations. Output led function table certain block type xs7, xs8, xsd inductive proximity sensors incorporate a supply led, in addition to the output led. To download the schematics, see the design files at tida010044.
In addition to protecting balluff sensors, our accessory line is designed to permit precise, lasting sensor location positioning while permitting quick sensor change out at any time. Pdf 5114b namur ne43 ni100 sensor limit switch namur application cable nicrni thermocouple 5114b1 limit switch namur 43 ptc10 ohm din en 50014 standard for thermocouple 5114a pt100 transmitter 4. As the sil 2pl d inductive safety sensors have no dead band, data transfer can occur with no minimum distance between sensor and target. See page h21 for weld immune sensors and pages h24h26 for namur intrinsically safe sensors. Due to approvals required for hazardous environments. A namur sensor is a nonamplified sensor that supplies two different signal levels depending upon switch state. The operator at the control system operator workstation needs to know as soon as possible if the measurement of a transmitter is not valid or the valve does not move properly, so they can tend to the process safely, while the device specialist at the intelligent device management idm software part of asset management system ams needs to know what caused the problem and how to fix it such. Physical adjustment moving the sensor towards or away from the target is the preferred method of adjusting sensitivity when the sensor is not in direct contact with the target. Y0 namur output, requires switching amplifier y1 namur output, requires switching. Namur dc type analogue dc 2wire dc no contact nc contact ac no contact type nc contact changeover contact rated operating voltage u b rated operating current i b switching frequency max f short circuitprotection functionoperating voltage indicator sensing distance, adjustable ambient temperature minmax. Altp delayed type for 1 sensor or aln2 type for 2 sensors.
When the current is below 3,6 ma or above 21 ma this is interpreted as a sensor fault. All telemecanique brand inductive proximity sensors incorporate an output state led indicator. The small size, low current, voltage and impedance values that characterise them allow their use in various applications in hazardous areas with explosive atmospheres consisting. The microprocessor based electronic control module includes direct local user interface switches 2. Srbgc2 offers a terminal compartment for sensor and solenoid valve connections. Consult your current banner safety products catalog for safety products which meet osha, ansi and iec standards for personnel protection. W these isolated barriers are used for intrinsic safety applications. They transfer digital signals namur sensors mechanical contacts from the field to the control system. Namur continued to host the belgian armys paratroopers until their departure in 1977. This means that the circuit containing a namur proximity sensor is only intrinsically safe if it is supplied via a corresponding isolating amplifier. Catalog pdn2us electronic sensors parker pneumatic. Namur sensors must be operated with approved switch amplifiers. Nema rating an enclosure rating per nema standard 250. Namur is a type of sensor output that gives an on or off indication.
Sensors with special characteristics namurinductive sensors. Inductive sensors for explosive environments namur interface namur proximity sensors traditionally have a constant current path characteristic. Ne 107 is a recommendation from the namur for selfmonitoring and diagnosis of field devices explaining the use of diagnostics in intelligent devices. Namur plc digital input with fault protection and diagnostics. It is both the capital of the province of namur and of wallonia, hosting the parliament of wallonia, walloon government and administration.
Namur is a german acronym for normenarbeitsgemeinschaft. This is the opposite in a manner of speaking to the action of a conventional limit switch where normally the resistance goes from high infinity to low connected when the switch is activated. They transfer digital signals namur sensorsmechanical contacts from a hazardous area to a safe area. With the wide range of proximity sensors from sick, choosing the right always so easy at first. This allows materials to be moved into or out of range while leaving the sensor at the factory setting or after recalibration to the nominal operating distance sn. Thats because there is no sensor connected to the barrier, and our lead breakage and lead short circuit are activated. Sensor tester 650048 sensor tester for dc 2wire and 3wire proximity switches test function.
But do not confuse the wiring connections between these two types of sensors. Nowadays, it is possible to obtain binary switching in proximity sensors simultaneous changes in the switch status of sensor and amplifier by using the latest technology while maintaining the standard voltage and current values. Namur the acronym for a european standards organization. With that information, its easier to detect a fail high condition on a level transmitter, for example, that clearly tells you whether you have a full tank or a failed instrument. The namur ne43 is a recommendation which gives a guideline how a sensor fault can be indicated to a control system by means of the 420ma signal. The proximity sensor or switch controls a form c changeover contact for the safe.
Logix 510si series fcd lgentb051002 09 the logix 510si positioner is a digital positioner with various options. Nowadays, it is possible to obtain binary switching in proximity sensors simultaneous changes in the switch status of sensor and amplifier by using the latest technology while. On the inside, namur sensors have different circuitry than standard 2wire dc sensors and need special treatment. Ii 1g ex ia iic t6 ga ii 1d ex ia iiic t85c da ip67 atex. All the namur sensors can operate in connection with the following amplifiers. You need this to loosen or tighten the terminals on the barrier.
Competitive prices from the leading namur inductive proximity sensors distributor. Inductive sensors inductive proximity switches pepperl. Connectivity products a comprehensive line of cables, cordsets, and connection blocks. Namur versions with hazardouslocation approvals for zone 1 available f58 housing for power clamps. The oscillator creates a high frequency field radiating from the coil in front of the sensor, centered around the axis. Namur inductive proximity sensors product list at newark. Noncontact inductive sensor with integrated speed evaluation and switching output. F front sensing on q26 and q34 sensor s side sensing on q26 sensor t side sensing on q34 sensor uuprox sensor sensing characteristics a normally open n. It transfers digital signals namur sensor smechanical contacts from the field to the control system. Typically used for intrinsically safe applications. Today, im going to show you how to hook up a simple apparatus, or namur sensor, to one of our switch amplifiers, and test it for correct operation. It is easy to mount, can be used in numerous applications and offers an outstanding priceperformance ratio.
This file is licensed under the creative commons attributionshare alike 4. Namur refers to the standards committee of measurement and control of the chemical industry of europe. Nameur is a city and municipality in wallonia, belgium. When used in a hazardous location, an appropriate barrier is required. The namur atexiecex series inductive sensors are electronic proximity sensors whose input current is changed with the approach of a metal actuator see figs. Digital electronic module 4di namur 6es71 4rd020ab0 manual, 032010, a5e0277348801 3 preface purpose of the manual this manual supplements the et 200s distributed io system operating instructions. A sensor fault is signalled by extending the range of the 420ma signal. Todays product that were going to test is the kfa5sr2ex2. Namur sensors and their interfaces digital input or amplifiers have to.
Due to approvals required for hazardous environments, intrinsically safe sensor. Bernstein offers a wide range of sensors for monitoring and controlling machines in areas with a risk of explosion. Ive taken the liberty of wiring up the namur sensor and the power. It is an atexcertified device designed for intrinsically safe applications operating temperature. If namur sensors are used, devices with wire break monitoring are available. A sensor failure or malfunction can cause either an energized or deenergized sensor output condition. How to connect a namur sensor to a switch amplifier. Continuous innovation, enduring quality, and steady growth have been the foundation of our success for more than 70 years.
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