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Position sensors, rotary position sensors,

encoders, rotary encoders
angular position sensors

 
 

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A selection of recently published

technical articles, white papers, products

& application examples:



Miniature Linear Encoder Kit
 
Miniature Linear Encoder KitPOSIC introduces the highly miniaturized inductive linear encoder kit ID1101L. The encoder-head measures only 9.0 x 6.8 mm with a thickness of 0.9 mm and provides A and B outputs in quadrature. The linear scale is 3.7 mm wide and 0.9 mm thick and comes with a length of 200 mm that can be “cut to length”. The encoder is available in resolutions from 0.3 mm down to 0.3 um. The maximum speed depends on the resolution and ranges from 100 mm/s at a resolution of 0.3 um up to 40 m/s at a resolution of 75 um or larger. The main features of this kit encoder are its extremely small dimensions and its insensitivity to dust, water, oil, grease and even magnetic fields. Typical applications are in the mechatronics and motion-control domains as speed or position feedback device. Markets served include industrial, robotics, medical, instrumentation, laboratory automation, office equipment. ...





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Programmable incremental encoders: Reduced inventory costs and enhanced flexibility
 
Programmable incremental encoderBaumer: As elsewhere, neither in the incremental encoder field there is an all-in one allround device that is suitable for every purpose. In practice, especially complex systems call for diversified configurations which influence production costs and competitiveness in a negative manner. Programmable encoders featuring versatile parameterization and varied connection options provide the solution. To keep the product variety in the individual application field at a minimum, Baumer as a technology leader offers even four programmable incremental encoders that utilize optical or magnetic sensing and are available in several shaft designs. All of them have one thing in common: Convenient programming either manual or by DIP switch, what is an easy thing to do even in the most remote corner of the world. Another option is comfortable parameterization using a PC. The new programmable encoder ITD 2P even does not need ...





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Penny + Giles’ New Dual Redundant Output Rotary Position Sensor Extends Reliability/Accuracy for safety critical systems
 
SRH220DR Dual Redundant Output Rotary Position SensorPenny + Giles, a business group of Curtiss-Wright Controls and a designer and manufacturer of high precision sensing technology, has introduced the SRH220DR, a new dual redundant output contactless rotary position sensor. The SRH220DR uses proven, non-contact programmable Hall-effect technology to provide OEMs with highly reliable and accurate rotary measurement in extreme industrial and off-highway environments. This new sensor, with a choice of integrated 6-way connectors, provides numerous programmable options. Designed for operation in extreme temperatures, the SRH220DR enables system designers to quickly and easily improve the safety and integrity of their control systems by using the dual independent power supply and  ...





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A selection of recently published

technical articles & products:



Penny + Giles’ extends output options on rugged single/dual output rotary position sensors for factory automation applications
 
Rotary position sensors for factory automationPenny + Giles, a business group of Curtiss-Wright Controls and a designer and manufacturer of position sensors, solenoids, and manual controllers has expanded the output options of the company’s rugged SRH501P and SRH502P contactless rotary position sensors. The newly announced analog voltage output options make these sensors ideal for use in Factory Automated systems and Process Control machinery. With their newly offered support for 0 to 10Vdc analog voltage output, a signal commonly used by machine controllers and recording instruments, the rugged Hall effect-based SRH501P and SRH502P sensors significantly expand their application range. Both the single output SRH501P and the dual output SRH502P feature a programmable sensor. Designed for use in extreme environments, these sensors are based on contactless Hall effect technology, which enable them to operate in high dither vibration conditions with no deterioration of the sensing element. Their resistance to shock and vibration makes these sensors ideal for many position monitoring applications in a wide range of machine applications in factory automated systems and process control machinery. ...





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P500 inductive Rotary Sensor for angles up to 160°, also as ATEX Version
 
P500 inductive Rotary SensorPEWATRON AG: The P500 RIPS® (Rotary Inductive Position Sensor) is a durable, affordable, high accuracy rotary sensor designed for industrial and scientific feedback applications. The P500 is supplied with the output calibrated to the angle required by the customer, between 20 and 160 degrees. The sensor provides a linear output proportional with angle of rotation, with a non-linearity at 100° better than 0.25°. There is a machined registration mark to identify the calibrated mid point. The standard version is powered with 5 V, giving an output signal of 0.5…4.5 V. Optionally, there are several output stages available for signals 0.5…9.5 V, ±5 V, ±10 V or 4...20 mA (2- or 3-wires), which are powered by ±15 VDC or 24 VDC typically. The temperature range is -40/+125 °C for the standard version (5 V, unbuffered) and -20°/+85 °C for the buffered versions. The P500 has a rugged stainless steel body and shaft for long service life and environmental resistance. The sensor is easy to install with flange or servo mounting option in anodized aluminium (or stainless steel for the E500). Sealing is IP 67 (cable version) or IP 65 (connector version), and full EMC protection is built in. The sensor is also available in intrisincally safe versions, designed to be used with a galvanically isolated 3-port barrier installed in the safe area which supplies the sensor with 5 V at a cable length up to 150 m. ...





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HBA4 Absolute Blind Hollow Bore Shaft Encoder
 
HBA4 Absolute Blind Hollow Bore Shaft EncoderPEWATRON is pleased to announce the release of US Digital’s latest absolute, blind hollow bore shaft encoder, the HBA4. This single turn absolute encoder provides 16-bits of resolution over 360 degrees of shaft rotation. The HBA4 is available with a 12 mm or 0.500” diameter bore size with either a ball bearing or sleeve bushing bearing assembly and is sealed to an IP65 rating. The absolute encoder slips over a shaft and is locked in place with a unique self centering ring clamp. A fl exible anti-rotation tether provides single point mounting for bolt circles ranging from 2.50” up to 5.00” in diameter and compensates for shaft run out up to +/- 0.01”. The HBA4 communicates serially to a host via the industry standard RS485 bus. HBA4 absolute encoders were designed for solar tracking systems and are commonly used as an Azimuth position sensor in two axis tracking systems. ...





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Tyco Electronics Presents Hall Travel- and Rotary Sensor Platforms for Automotive Applications
 
Hall Travel- and Rotary Sensor Platforms for Automotive ApplicationsTyco Electronics: In the automotive industry, development time is a key factor for successful market positioning. Tyco Electronics’ answer for this is a platform strategy for non-contact switches and angular- and travel sensors. Standardized designs and production processes offer short-term availability of fully functional sensors for functional testing. One highlight is the hall technology based travel- and angular sensor platform for measurement ranges up to 40mm or angle ranges of 360° (see picture). Travel and angle measurement can be realized within one sensor package. The applied hall technology is a 2D measurement principle which results in a significant measurement performance increase compared to existing Hall sensors. These sensors show a high performance related to a linearity error of only 2-3% and a temperature drift of lower than 2%. ...





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position sensors
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Penny + Giles’ New Low-Profile, Dual Output Rotary Position Sensor Extends Reliability/Accuracy with “No Contact” Hall-effect Technology
 
Penny + Giles, a business group of Curtiss-Wright Controls and a designer and manufacturer of high precision sensing technology, has introduced the NRH280DP, a new dual output ‘no contact’ rotary position sensor. The NRH280DP uses proven, non-contact programmable Hall-effect technology to provide OEMs with highly reliable and accurate rotary measurement in extreme industrial and off-highway environments. This low-profile sensor, with a 6.5mm profile, one of the thinnest available, provides numerous programmable options. Designed for operation in extreme temperatures, the NRH280DP enables system designers to quickly and easily improve the safety and integrity of their control systems. The rugged NRH280DP is ideal for use in arduous operating environments and is currently used in diverse applications including articulated dump trucks (tip control), garbage collection vehicles (bin lift control), road sweeping vehicles (4-wheel steering), and Formula 1 racing cars (throttle pedal position). ...

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position sensors
rotary position sensors,

encoders, rotary encoders


Programmable incremental encoders for less product variety, reduced inventory costs and improved flexibility
 
Baumer: Implemented in complex facilities, encoders have to meet many requirements in all their facets. All of a sudden you end up with a multitude of different configurations entailing high costs as well as inventory and administration effort. Programmable encoders help to keep the product variety down to a minimum and to improve flexibility. Not just one but four new programmable encoder series launched by Baumer provide the optimum solution for the widest range of applications. The portfolio comprises encoders that utilize optical and magnetic sensing principles and are available in various mechanical designs and sizes. All devices enable configuration of impulse number and rotational direction, some even provide optional programming of zero pulse sensing. Three out of the four series enable programming by PC or notebook. The ITD 2P encoder does not require any ...


Tyco Electronics Reluctance Resolvers for Hybrid Applications
 
Tyco Electronics: New emission legislation and the trend towards energy efficient transportation support an increased development in the area of hybrid propulsion for passenger cars. One of the key applications for improved fuel economy in the hybrid market is the recovery and storage of energy during the braking phase or regenerative braking. When braking, the energy of the moving car is converted and stored in the Li-ion batteries instead of being dissipated through the heating of braking disks. Upon acceleration of the car, the available electrical energy is used to help the car speed up by releasing this energy into a controlled electrical motor. More advanced systems may continuously propel the cars’ electrical motors. In order to keep the efficiency of the electrical hybrid motors at a maximum level, the position of the drive shaft must be continuously monitored. Tyco Electronics has developed a break-though inductive sensor, known as a “Reluctance Resolver,” that can help support reduced fuel consumption with in these new hybrid propulsion systems. The Reluctance Resolver is part of a system to measure shaft angles.  ...


HeavyDuty technology with enhanced monitoring system (EMS)
 
Baumer encoders are designed for utmost reliability under most adverse conditions, and the many decades of dependable operation in customer applications give proof of that. However, there are some applications where trust is not enough – regardless of most reliable technology. Baumer has taken this aspect into account and embedded a function-checking system in their new encoder series HOG 9.2 and HOG 10.2 (fig. 1). Identical in mechanical design to HOG 9 and HOG 10 that have proved absolutely reliable in tens of thousands of applications, the enhanced HOG 9.2 and HOG 10.2 feature the so-called “Enhanced Monitoring System” (EMS). The basis is a rapid microprocessor which continuously monitors all encoder functions over the full speed range. Any eventual malfunction or error is quickly and reliably detected. By an alarm output the control is informed of any error occurred. The prevailing operating status is visualized by LED provided at the encoder housing. But the new HeavyDuty encoders are ...


US Digital and PEWATRON sign European Partnership Agreement
 
After a long informal cooperation US Digital, a developer and manufacturer of innovative Encoders and Inclinometers, has formalized a European distribution partnership with PEWATRON, a leading distributor of Sensors, Power Supplies, E-Components and Drives. US Digital’s precision position sensors and inclinometers are used in a wide variety of places: stepper motors, concentrated solar and solar thermal, manufacturing machinery, medical devices, gas dispensers, automation, robotics, and many other automation applications requiring position feedback. Their innovative building blocks include absolute and incremental optical encoders, inclinometers and PC interfaces. ...


New throttle position sensor with dual outputs launched at Professional Motorsport World Expo
 
Penny + Giles, designer and manufacturer of high reliability position sensors for the motorsport industry, has launched a new throttle position sensor with dual outputs, TPS280DP, at Professional Motorsport World Expo 2009. The new sensor, which incorporates a factory programmable Hall effect sensor has two outputs that can be programmed individually for angular range, output range and direction. TPS280DP is mechanically interchangeable with most existing throttle potentiometers using 32mm mounting centers and is designed to interface with most common throttle body D type spindles. The sensor is available with 200mm or 500mm cable lengths, with or without an MSS4P Mini Sure Seal connector fitted to the DR25 sheathed spec 55A cable. TPS280DP can operate from either a 5Vdc regulated or 9-30Vdc unregulated power supply and has over-voltage protection to 40Vdc. It can be supplied programmed with any one of 341 different angles in the range 0-20 to 0-360 degrees in one degree increments and has a 12 bit resolution (0.025%) over the selected angular range. TPS280DP has no contacting sensor parts, which ensures there is no signal degradation over the lifetime of the sensor. The sensor has ...

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position sensors
rotary position sensors,

encoders, rotary encoders


Tyco Electronics Presents Hall Sensors for Convertible Roof Systems
 
Tyco Electronics: Requirements for convertible roof systems increased dramatically over the last twenty years. The system of textile roofs has been developed continuously and complemented by retractable hard tops since the beginning of the nineties. The complete kinematics has high mechanical tolerances, but the robustness of the complete system must be provided every time. In order to provide availability and accuracy, non contacting position sensors are being used either for on/off position detection or angular positions detection. For a proper working kinematics in a roof system, position sensors and angular position sensors are designed in. Depending on the mechanical design, different types of sensors are being used for these applications, such as on/off position detection at kinematics, angular detections at swivel joints, and end position detections at hydraulic cylinders. Separate cable assemblies are used frequently which provide a simple and precise mounting in the complex mounting process of a roof system. For over ten years, Tyco Electronics has provided hall sensor cable assemblies ...


Bourns Customized Steering Angle Sensors Based on AMR Technology
 
Bourns, Inc., a leading manufacturer and supplier of electronic components, announced the introduction of the company"s latest generation of semi-absolute and absolute, non-contacting steering angle sensing technology. The new technology supports low cost solutions that require accurate steering feedback for interfacing with automotive applications such as electronic stability control (ESC), active suspension, and electro power steering (EPS). The customized steering angle sensors can also be used with electronic self parking (E-Park), lane departure warning (LDW), and advanced front lighting systems (AFLS) applications and are based on anisotropic magnetoresistance (AMR) technology. The electronics used in Bourns" customized steering angle sensors can be packaged to facilitate reduced sensor dimensions as small as 60 mm x 78 mm x 14 mm and printed circuit board (PCB) dimensions as small as 50 mm x 20 mm. "Bourns is pleased to offer its automotive customers customized steering angle sensors to fit their specific needs," said Johneric Leach, product line manager for steering and vehicle stability sensors at Bourns. "The new sensors are based on AMR technology for a more robust design, which allows the devices to be less sensitive to temperature fluctuations, shock and vibrations. Thanks to AMR technology, the sensors can also withstand large variations in the gap between the sensor and magnet." ...


Miniature Rotary Encoder Kit
 
POSIC introduces the highly miniaturized inductive rotary encoder kit ID1101C. The encoder-head measures only 9.0 x 6.8 mm with a thickness of 0.9 mm and provides A and B outputs in quadrature. The codewheel diameter is 28.2 mm with a thickness of 0.9 mm. The encoder is available in resolutions from 9 up to 14 bits, which corresponds to 128 up to 4098 CPR (Counts Per Revolution). The maximum speed depends on the resolution and ranges from 2’500 RPM at 14 bits up to 40’000 RPM at 10 bits or lower. The main features of this kit encoder are its extremely small dimensions and its insensitivity to dust, water, oil, grease and even magnetic fields. Typical applications are in the mechatronics and motion-control domains as speed or position feedback device ...


The first magnetic incremental encoder now programmable!
 
Baumer: Keeping the configuration variety down to a minimum is one major user requirement. For the first time, by programmable EcoMag BRIx 58 also incremental magnetic encoders are up to this demand. The benefits are quite obvious: Cost reduction by less inventory, no lead times and optional re-configuration for multiple use. Besides the impulse number, also rotating direction and zero point blanking are programmable by the same configuration tool utilized by the optical incremental encoder series BHF/BHG HighRes. The wide impulse number range in conjunction with the well-proven EcoMag ruggedness round the package off. Encoders in the EcoMag series convince by ultra-high efficiency and long service life. The magnetic sensing method less any breakable optical components opens up applications where conventional encoders fail. EcoMag series ...


Melexis automotive position sensor with SENT protocol lowers cost and improves performance under hood
 
SENT protocol for Engine Management devices gains support with launch of first fully integrated SENT rotary position sensor IC, MLX90324 by Melexis. High temperature performance and integrated support for the SENT (Single Edge Nibble Transmission) characterize the new MLX90324. Under-hood position sensor applications like EGR, manifold actuation, diesel throttle body, drive-by-wire pedals and other rotary, high precision position sensors become simpler, more reliable and more cost effective. The increased demand for sensors to meet new green standards in engine design can be well supported by Melexis MLX90324. This newest member in the Triaxistm family extends the features of previous award winning Triaxistm rotary position sensor ICs. The MLX90324 implements the SENT protocol–also known as SAE J2716-Apr07 directly on chip for reporting functions and gains improved performance at high temperature. ...

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position sensors
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encoders, rotary encoders


MR318 Fiber Optic Rotary Encoder for MRI and NMR Applications
 
Micronor’s MR318 fiber optic rotary encoder is designed specifically for use as feedback in motion control systems operating in extreme electromagnetic fields. The sensor's passive optical design and non-metallic construction has no affect on MRI (magnetic resonance imaging) or NMR (nuclear magnetic resonance) system operation or measurements. The multiturn encoder system offers 360ppr (1°) resolution and measures both angular position and shaft speed. MRI-related applications include feedback for actuator or motor control, monitoring patient position or correlating foot pedal position for fMRI diagnostics. The MR318 rotary sensor uses an industry-standard Size 58mm synchro housing and is installed just like a standard encoder. The sensor then optically connects to the MR310 module via a multimode fiber optic link. ...


Redundant encoders - Safety implementation in all its ramifications
 
At the moment many operators in automation have to face the challenging implementation of the new machine guideline 2006/42/EG. The new encoder family MAGRES redundant by Baumer unites many of the resulting safety requirements in one device. The redundant singleturn and multiturn sensing system of the MAGRES redundant is unique and unrivalled in its compact configuration. The integrated monitoring system compares the values provided by the individual position systems and will give an error warning in case of malfunction. The monitoring system provides even more benefits: Less processing work for the control, less cabling efforts and consequently a considerable cost reduction. An emergency operation is also imaginable. SIL 3 approval and PLe certificate are in preparation. MAGRES redundant provides top-grade functionality without any compromise in compact design and robustness. The encoders are ...


Magnetic sensing system without bearings for large shaft diameters
 
HDmag is the name of the new Baumer hollow shaft encoder family utilizing the magnetic sensing principle. With a 17 bit singleturn resolution the series also comprises absolute encoders that can endure the tough ambient conditions of drive engineering or wind turbines. This top-grade precision and utmost ruggedness is possible by the signal evaluation electronics being integrated in the sensing head – fully encapsulated and thus protected against dirt, shocks and vibrations. The ultra-high accuracy and resolution of HDmag are realized by FPGA signal processing and integrated offset, amplitude and phase control generating square pulses of max. 524,288 periods per revolution. Also the unique sine/cosine interpolation to max. 32,768 periods per revolution sets new benchmarks. By virtue of their compact axial design conceived for big hollow shaft diameters the new magnetic encoders are predestined for attachment to even the largest shafts. Magnetic, no bearings and ultra-precise: The magnetic hollow-shaft absolute encoders are conceived for drive shafts with maximum 740 mm diameter, even larger ...


How to keep your »cool« when the going gets hot. ITD 61 A 4 Y 9 hollow-shaft encoders. Water-cooled
 
Baumer: In a hot environment, for example in operating with diesel engines at high intrinsic temperatures, it is essential to provide temperature-sensitive electronic components in encoders with thermal protection if you want to keep system availability high. Originally as special development for a special application case manufactured, water-cooled hollow shaft incremental encoders of the row ITD 61 A 4 Y 9 take current a permanent place in the program of Baumer Thalheim. With an application temperature range to +150 °C, with electrically isolated hollow shaft and resistant stainless steel housing, the incremental encoders dispose over ideal mechanical characteristics for permanent operations on rough conditions. Hollow shaft diameters of 30 to 45 millimeters, resolutions up to 4096 impulses per revolution as well as TTL-or HTL ...


High performance DUAL OUTPUT contactless rotary position sensor
 
Penny + Giles, the position sensor specialist, has launched a new contactless rotary position sensor with dual outputs, SRH280DP. The new sensor incorporates a factory programmable Hall effect sensor and has two outputs that can be programmed individually. As a result, it provides reliable and accurate rotary position measurement in extreme industrial and off-highway environments, allowing users to improve the safety and integrity of their control systems. OEMs can choose from a wide selection of parameters so they can best configure the sensor to suit their needs and achieve maximum performance. They can specify the measurement range and output in a clockwise or anticlockwise direction. For example, one signal can be used in a control function while the other is used for position monitoring or display purposes. The sensor operates from either a 5Vdc regulated or 9-30Vdc unregulated power supply and has an over-voltage protection to 40Vdc. It can be supplied programmed with any one of 341 different angles in the range 0-20 to 0-360 degrees in one degree increments and it has a 12 bit resolution (0.025%) over the selected measuring range. For ease of configuration, SRH280DP is available with ...

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position sensors
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encoders, rotary encoders


Absolute Rotary Encoders with Functional Safety Even for the 35-mm Design
 
HEIDENHAIN has expanded its range of standard rotary encoders with 35-mm housing diameters, and presents a new generation of rotary encoders with IP 64 protection, absolute position-value formation and functional safety. This will open up a market for new applications in automation technology, medicine technology and the electronics industry. The EnDat 22 version of the new absolute rotary encoders with purely serial data transfer offers a singleturn resolution of 23 bits, and a multiturn resolution of 12 bits. The supply voltage range is from 3.6 V to 14 V. Safety-oriented position encoders with functional safety provide two independently formed position values via the serial bidirectional EnDat interface. They are certified according to the EN ISO 13849, EN 61508 and EN 954-1 standards for performance level d, safety integrity level 2 and category 3, ...


Ultra Miniature Ø 5mm Encoders MES-3P & MES-3PST for robotics and medicine
 
The new Ultra Miniature Encoder – series MES-3P with a diameter of only 5mm and a weight of only 5g, is offered by PEWATRON as the worldwide smallest encoder. It is suited for all fields of precision mechanics, robotics and medical engineering, where precise and fast angular movements are detected on minimum space conditions. The encoders offer 64 or 1024 pulses/revolution, respectively with A, B and Z output signals, with maximum speeds of rotation of 6000 rpm. Axial as well as radial cable outputs are available: * MES-3P with an axial cable output, dimensions Ø 5mm x 12.6mm.* MES-3PST with a radial cable output, dimensions Ø 6mm x 11.6mm. ...


Heavy Duty Fiber Optic Rotary Encoder For Hazardous Locations
 
Newbury Park, California, Micronor’s new MR316 ZapFREE™ Fiber Optic Rotary Encoder is designed for heavy duty, industrial motor drive applications requiring high reliability, EMI immunity, ATEX compliance, IP66 ingress protection and even operation in extreme temperatures. The sensor is size 90mm and features large 12mm Ø shaft and extra heavy duty bearings and shaft seals. Together with the remote MR310 module, the ZapFREE™ encoder system uniquely combines three functions in one - incremental encoder, multi-turn position sensor and tachometer. Typical applications include petrochemical plants, oil rigs, steel mills, aerial cable cars, cranes and hoists. The MR316’s all-optical, totally passive design outperforms resolvers as well as conventional optical and magnetic encoders. Advantages include: wide operating range (-60°C/+150°C); outdistances copper cable; intrinsically safe and ATEX-compliant; immune to EMI/RFI and ground loops; unaffected by high magnetic fields; and radiation resistant. Mounting options include synchro clamps or panel mount. The “passive” MR316 optically links to the “active” MR310 ZapFREE™ Remote Encoder Interface (REI) Module via a single 62.5/125 multimode fiber link – up to 1000 meters (3280 feet) away. ...


Fiber Optic Rotary Encoder for MRI and other Extreme Electromagnetic Environments
 
Micronor’s TD5207 non-metallic fiber optic rotary encoder is designed specifically for use in motion control systems operating in extreme electromagnetic fields. Medical diagnostic and research applications include MRI (magnetic resonance imaging) or NMR tomography (nuclear magnetic resonance) imaging systems. Industrial applications include electromagnetic phase or similar separation processes. The encoder also serves as the control feedback for pneumatic or hydraulic drive systems purposely operated in these same extreme environments and applications. Based on Micronor’s patented ZapFREE™ Fiber Optic Rotary Encoder technology, the all-optical, totally passive TD5207 Encoder/Sensor is identical in design to Micronor’s MR3XX series fiber optic encoders except for its construction of non-metallic materials. In operation, the TD5207 Sensor links to the same MR310 Remote Encoder Interface Module via a single fiber link – which can be up to 1000 meters long. The "active" MR310 Module directly provides an array of conventional digital/analog speed and position feedback signals, including: A/B quadrature signals, programmable analog outputs (both 4-20mA and 0-10V) and ...


Linear- and rotary sensors, new custom specific designs
 
Metallux AG: Next to the innovative contact less linear sensor MMP, which features high accuracy in even the smallest dimensions, additional custom specific rotary sensors like the PLL 95° as well as the POS 50 were added to the range. Rotary sensor PLL 95°: Metallux PLL 95° is a favourably priced rotary sensor, fulfilling the highest demand on quality and performance. The sensor is easy to install. The robust design and the plastic housing will resist oils and greases. A sleeve bearing ensures a high lifecycle. Rotary sensor PLL 95°. ...

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High Resolution Analog Output Encoder for Harsh Environments
 
Micronor’s ENA361M (hollow shaft) and ESA361M (solid shaft) series High Resolution Analog Output Encoders provide 12-bit resolution with choice of analog output – ideal for high reliability and high precision industrial automation and process control applications. The units are extremely rugged with high levels of shock (>500g) and vibration (>30g) resistance. The products can be used in outdoor applications over wide temperature ranges and fluctuations (-40/+85C) and protected against humidity and condensation. Standard units are IP67 sealed with IP69K option available for use in high temperature/high pressure wash down applications. These single-turn absolute encoders are offered with choice of 4-20mA or 0-10V output and measuring range options of 45, 90, 180 or 360 degrees. These units also operate over a wide input power range of 18-30 VDC. The 4-20mA option includes a red LED fault indicator for sensor break detection and monitoring of power supply. With an overall diameter of 36mm, these encoders are very compact and are ideal where space is tight. The ENA361 series offers blind hollow shaft in range of 6 to 10mm along with either stator coupling or torque stop mounting options. The ESA361 series offers solid shaft in range of ...


Micro-encoder EcoMag – the high-performance dwarf
 
Baumer: EcoMag, the magnetic incremental encoder series marked by ruggedness and efficiency is completed by an-other ultra-sturdy miniaturized configuration - BRIV 30R. Only 30 mm in diameter, IP 67 protection, an ex-tended temperature range down to -40°C and a steel flange create an encoder that was made for use under extreme conditions. Less any optical components it is ultra-resistant to shocks, vibrations and temperature and typically applied in position sensing at harvesters, construction site machinery and all kinds of heavy duty vehicles. EcoMag BRIx 30R follows the Baumer tradition of high-quality micro-sized encoders. Together with its counterpart in the field of absolute encoders, MAGRES BMMV 30, Baumer provides a high-performance encoder ..


Reliable encoders for railway vehicles
 
Baumer Electric: With its BMIV line, Baumer presents an encoder designed for the harsh operation on railway vehicles. Multiple channel outputs allow simultaneous wheelset speed information to multiple systems, also with differing pulse rates. These include systems for slide control, speed and slip regulation as well as those to suppress torsion vibration. The demands made of encoders for railway vehicles are enormous. They must remain completely unaffected by extreme environmental influences such as dirt, oils, grease, spray water, condensation, large temperature differences as well as high and low temperatures. High shock and vibration loads resulting from the direct encoder installation on unsprung pivoted bogies are a particular challenge. All Baumer encoders for railway vehicles operate on the proven MAGRES principle. This magnetic sensing method offers extreme reliability and is totally resistant to all loads encountered during railway operations. Aside from compliance with all railway standards, the BMIV also offers SIL 2 certification. Baumer has decades of experience in sensors intended for use with railway vehicles. Thanks to close cooperation with our customers coupled with continuous innovations, we are able to offer tailor-made solutions using the latest technology and offering the highest level of customer benefit. ...


Magnetic Rotary Encoders for HeavyDuty Applications
 
Baumer: In the field of drive engineering, measured value acquisition poses increasingly difficult challenges when it comes to dynamics and precision. These two generally conflicting requirements are difficult to unite when using conventional rotary encoders. If, in addition, sensors need to be robust enough to be used in the toughest operating environments, new solutions and approaches are required. For applications like these, Baumer Hübner, a German-based company specializing in rotary encoders, produces robust, specially engineered encoders, that use a magnetic sensing method, combined with complex interpolation and evaluation electronics. These enable position, speed and other variables like acceleration to be measured synchronously, and deliver both high-dynamic and high-resolution readings. The encoder rotor can be supplied with a diameter of up 800 mm and can be screw-mounted straight onto a drive shaft or attached with a clamping ring or clamping fixture. Encoder rotor and dedicated sensing head are of short axial length and can be adapted easily to existing fittings. Thanks to the interpolation electronics, measured value acquisition can be customized ...


4B Rotech Encoder
 
The 4B Rotech Encoder is used primarily for protecting equipment and personnel from dangerous underspeed / belt slip conditions. Other applications include accurate speed control, direction of rotation detection, gate position indication and counting the number of revolutions of the shaft. An inductive sensing device in the body of the encoder detects a steel rotor. On slow speed or accurate position control, a photo diode detects the slots on a steel disk. One pulse is created for each rotor or slot so the unit can be connected directly to a PLC/computer or 4B control module. The shaft to be monitored is drilled and taped to take the M12 Rotech Bolt. No guards are required as the rotating components are encased inside the aluminium housing of the encoder. No brackets are required as the encoder couples directly to the end of the shaft and floats with the shaft. Polyester and stainless steel versions are also available for offshore and other highly corrosive applications." ...

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World’s smallest inductive encoder
 
POSIC introduces the world’s smallest incremental inductive encoder kit ID1101 for linear and rotary applications. It measures only 8.7 x 6.3 mm with a thickness of 0.8 mm and has an A quad B output stage that runs up to a frequency of 200 kHz. The linear/rotary target is a 0.8 mm thick strip/disc that comes in different lengths/diameters. The linear resolution ranges from 1 um at a speed of 0.5 m/s to 150 um at 50 m/s. The rotational resolution depends on the disc diameter and is for example 12 bits (1024 A-B pulses per revolution) with a 30 mm diameter disc. Typical applications are in the motion-control domain with magnetic actuators like brushed and brushless motors, voice coil actuators, linear drives and more. Markets served include industrial, automotive, robotics, medical, instrumentation, laboratory automation, office equipment. Evaluation kits with linear or rotational targets are available from stock. ...


Optimize the performance of your solar panels!
 
For perfect orientation of the photovoltaic cells towards the sun, discover the group Custom Sensors & Technologies (CST) solution : CROUZET Sensors, Micromotors, Logic Controllers, & BEI Ideacod Encoders: -Angular position detection of the mobile panels - Calculation of the panels position and Control of the movement to face the sun according to their geographical positions - Continual tracking of the suns position with extreme precision - Limitation of the panel travel. Whatever the technology or needs expressed, CST adapt its products to your specifications, even the most specific!  ...


MAGRES hermetic absolute encoders – Unsurpassed robustness
 
Baumer Electric: Operation under extreme conditions is the great strength of the new MAGRES hermetic absolute encoders. They provide permanent IP 68 and 69K protection class and offer the highest levels of shock and vibration resistance values. Thanks to their stainless steel housings they are particularly well suited for applications involving harsh media such as cleaning agents, acids, bases and seawater. Compliance with the highest possible protection classes is achieved thanks to the hermetically sealed encapsulation of all electronic components. MAGRES hermetic easily handle submersed operation or regular treatment with high pressure cleaners. MAGRES hermetic encoders are available with all established interfaces such as SSI, CANopen, DeviceNet, Profibus DP and EtherCAT. Their robust bearing design including Simmerring® coupled with the impact-resistant seal provide reliable protection against dirt and UV light aging while offering mechanical peak values with shock-resistance up to 500 g and shaft loads up to 280 N. Thanks to their shock and vibration-proof magnetic sensing, MAGRES hermetic encoders provide optimum robustness, reliability and long service lives making them ...


Hall effect position sensor gives maximum performance in extreme environments
 
Penny + Giles has launched an upgrade to its popular SRH280 contactless rotary position sensor. The new SRH280P incorporates a factory programmable Hall effect rotary sensor to provide reliable and accurate rotary measurement in extreme motorsport environments, such as steering position monitoring, throttle position sensing and suspension feedback. The sensor is also highly suited to a wide range of other industrial applications. Unlike potentiometer sensors, the SRH280P can operate in high dither vibration conditions with no deterioration of the sensing element due to the non-contacting operating principle. As a result it offers maximum performance in a variety of high duty cycle applications on racing vehicles, including single-seat cars, sports cars, touring cars and motorcycles. With no electrical sliding contacts SRH280P offers an almost limitless sensor life. SRH280P operates from either a 5Vdc regulated or 9-30Vdc unregulated power supply and for ease of configuration, is available with analogue (0.5 to 4.5Vdc) or digital (Pulse Width Modulated) signal output. The sensor is factory programmable, allowing ...


New generation rugged and configurable dual output rotary position sensor
 
Penny + Giles, designer and manufacturer of high precision position sensors, has launched its most configurable rotary sensor, the SRH500P. The factory programmable sensor, for use in extreme environments, gives OEMs a wide selection of parameters so the sensor can be configured to suit their individual needs. Based on non-contact Hall effect technology it can operate in high dither vibration conditions with no deterioration of the sensing element. It is resistant to shock and vibration which makes it ideal for many position monitoring applications on off-highway vehicles. These include steering position, suspension position and lift system position on municipal, agricultural and construction vehicles. The sensor operates from either a 5Vdc regulated or 9-30Vdc unregulated power supply and can be supplied programmed with any one of 341 different angles from 20 degrees up to 360 degrees in one degree increments. It has a 12 bit resolution (0.025%) over the selected measuring range and for ease of configuration is it available with single or dual redundant analog (0.5 to 4.5Vdc) ...

 

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