Bei absolute multiturn rotary encoders provide superior position feedback over multiple turns of the input shaft ideal. For rotary encoders with hollow through shaft, the rotor can also be fastened at the end opposite to the. The product portfolio includes our rotary optical encoders, potentiometers, hall effect sensors, and other related position sensing products for motion control applications. Sensors that detect mechan ical displacement for straight lines are referred to as linear encoders. The e25 is a light duty encoder for applications such as robotics, precision computer peripherals and oem motors and controls. Angle encoder modules from heidenhain are combinations of angle encoders and highprecision bearings that are optimally adjusted to each other. Bei encoder crossovers dynapar offers replacements for bei encoders with fast lead times and expedited shipping. Outputs can be either absolute, a digital coded word that indicates absolute position, or incremental, with repetitive pulses that are counted to accumulate total motion. The lida exposed linear encoders are specially designed for high traversing speeds up to 10 ms, and are particularly easy to mount with various mounting possibilities. Because of the design and mounting of the stator coupling, it must only absorb that torque caused by friction in the bearing during angular acceleration of the shaft. Bei incremental encoders optical shaft encoder products. In rotary encoders with integral bearing and stator coupling, the graduated disk of the encoder is connected directly to the shaft to be measured. Rotary encoders incremental rotary encoders browse. Many applications require a simple, cost effective solution for accurate positioning.
When used in conjunction with mechanical measuring standards such as lead screws, they can also measure linear motion. Rotary encoders with mounted stator coupling rotary encoders for separate shaft coupling this catalog supersedes all previous editions, which thereby become invalid. In contrast, rotary encoders are used in applications where accuracy requirements are less stringent, e. Incremental rotary encoders supply a certain number of pulses for each shaft revolution. To calculate angle or the distance covered, pulses are counted starting from a reference point. Rotary encoders are sensors that detect position and speed by converting rotational mechanical displacements into electrical signals and processing those signals. Heidenhain product information ecn 4 ecn 425 ern 487 rotary encoders for elevator drive control ip64 degree of protection open the catalog to page 1. Introduction selection guide 4 measuring principles, accuracy 14 mechanical design types and mounting rotary encoders with stator coupling 16 rotary encoders for separate shaft coupling 19 shaft couplings 24 general mechanical information 27 safetyrelated position measuring systems 30 speci. Rotary encoders from heidenhain serve as feedback devices for rotary motion and angular speed. The integrated mounting ring and shaft coupling allow for simplified installation and a low overall profile when the unit is mounted on a motor. Rotary optical encoder products for high shaft load motion control. For the most recent information on models that have been certified for safety standards, refer to your omron. Heidenhain is expanding its range of incremental sealed rotary encoders for high loads with the introduction of the new rod 620 and 630 models of the rod 600 series.
There are several ways to access product information quickly, including the option of browsing by. Rotary cncoders in in les and all and leading us to of ar,d if by is not able ta design visit gi service uk test available the of signals. Speed is measured by counting the pulses for a period of time. Absolute encodermultiturn rotationsoptical rotary bei sensors. They detect position modifications at high resolution and send corresponding signals in high quality to the control immediately following encoder switchon. Rotary encoders for drive control in elevators 9 pages. Mechanical fault exclusion can be ensured only if three m4 screws with a class of strength of 8. They are characterized by their high degree of measuring and bearing accuracy, their very high resolution, and the highest degree of repeatability. If you do not find your encoder model number, we can still help. Ecn, eqn, ern rotary encoders with integral bearing and. The number of timing pulses generated per motor rotation is four times as that of the rotary encoder output pulses output a or b. Replace heidenhain encoders with bei encoders comparison. We offer the graduated disk assembly on your customized hub and measurement as a service, for example. The basis for ordering from heidenhain is always the catalog edition valid when the contract is made.
Rotary encoder, heidenhain, cdi, eci, ecnrotary, eqi, eqn. For medium accuracy requirements magnetic modular encoders can. Quadrature encoders have dual channels a and b, phased 90 electrical degrees apart. Technical explanation for rotary encoders introduction what is a rotary encoder. The sturdy design of these encoders mechanics opens up broad fields of application in machine tool, plant construction, and in position feedback systems for controlling asynchronous motors. Focus on motion control and robotics application technology, serving the global highend manufacturing industry and becoming a leader in industry application technology. The wachendorff wdgi series encoders feature an operating temperature range of 40 to 85 c and ip67 protection rating for use in harsh environments. Their classic field of application includes infeed torque motors and rotary axes in automation processes. The exi 11xx series joins the exi xx encoders as the new generation of heidenhain encoders that feature functional safety and improved robustness.
Just call us at 1 8003502727 and we will help you find the right encoder. Rotary encoders of the ecneqnern 0 series are particularly well suited for. Heidenhain rotary encoders measure rotary motion and angular velocity in machine tools, textile machines, and robotic applications, giving you the benefit of high accuracy measurements without the worry of defects. Rcn 8580 absolute angle encoder sealed angle encoders with hollow shaft and stator coupling. Incremental rotary encoder design considerations ross eisenbeis, magnetic sensing. Heidenhain encoders with ttl interface incorporate electronics that digitize sinusoidal scanning signals with or without interpolation. Use our guide below to find your current bei encoder product family and click on the dynapar replacement model to visit our online configuration tool or contact us and we will be able to help find a suitable replacement. The accuracy of absolute position values from absolute rotary encoders is given in the speci. Continuous innovation, enduring quality, and steady growth have been the foundation of our success for more than 70 years. Explore bei sensors broad product portfolio of rotary encoders, rotary and linear potentiometers and rotary hall effect sensors. If you need to repair, replace, or consider switching manufacturers to heidenhain rotary encoders then you are welcome to contact us with your specific needs. Absolute rotary encoders from heidenhain for machine tools are highprecision measured value recording devices for rotary motion.
Heating, ventilation, air conditioning hvac and refrigeration equipment. The rotary encoder is slid by its hollow shaft onto the measured shaft, and the rotor is fastened by two screws or three eccentric clamps. Available with stainless steel housings, these rotary encoders are ideal for tough ambient conditions that require excellent resistance to highpressure cleaners and corrosive chemicals. Rotary position sensing, either absolute or incremental, indicate the rotation of a. By type optical rotary encoders magnetic rotary encoders hall effect sensors potentiometers draw wire solutions inclinometers electronic modules swiftcomm wireless encoder interface sensor support. Rotary encoders incremental rotary encoders see overview. Literature requests brochure selections bei sensors. Rotary encoders of the ecneqnern 0 series are particularly well suited for repeated. Heidenhain incremental rotary encoders for sale ebay.
Absolute encoders, also referred to as parallel absolute encoders, possess multiple code rings, ensuring a fixed relation between the physical position of. Table of contents nasa infrared telescope facility. Ecn, eqn, ern rotary encoders with integral bearing and mounted stator coupling protection ip 64 heidenhain ecn, eqn and ern rotary encoders with integral bearing and mounted stator coupling are characterized by simple mounting and short overall length. Possible applications include electric motors, machine tools, printing machines, woodworking machines, textile machines, robots, and. The basics of how an encoder works a single channel encoder, often called a tachometer, is normally used in systems that rotate in only one direction and require simple position and velocity information. Rotary encoder e6b2c generalpurpose encoder with external diameter of 40 mm incremental model external diameter of 40 mm. Johannes heidenhain gmbh develops and manufactures linear and angle encoders, rotary encoders, digital readouts, and numerical controls for demanding positioning tasks.
Angle encoders with integral bearing, hollow shaft and integrated stator coupling. If required we also take over the manufacturing of. Our team likes to support you in the conception and planning of your application. Emotionsupply was founded in 2014 by emotion america, with more than 25 years of experience in the motion control industry as distribution, solution design, system integration, custom design, and manufacturing. Heidenhain corporation canadian regional office 135 admiral blvd mississauga, ontario l5t 2n2. Click on the datasheet pdf link for detailed encoder information or click on quote request. We can help you choose the correct heidenhain rotary encoder to help you save time, money and risk of downtime. A rotary encoder, also called a shaft encoder, is an electromechanical device that converts the. For absolute rotary encoders with complementary incremental signals, the accuracy depends. Rotary incremental optical encoder model e25 pdf 5 pgs363k.
Heidenhain products are used primarily in highprecision machine tools as well as in plants for the production and processing of electronic components. These encoders offer a host of different safety related functions that can be upgraded even further with the implementation of safe control that supports the endat safety master. Encoders with optical measuring standards, for example the rcn series, fulfill these requirements in an ideal way. Steel scale tapes, glass or glass ceramic are used as carriers for metallur graduations, depending on the respective encoder. Add to mydirectindustry favorites requestbuttons catalog excerpts. This encoder can withstand shaft loads up to 300 pounds. During angular acceleration of the shaft, the stator coupling must absorb only that torque resulting from. The rotary encoders are centered via the centering collar of the synchro or clamping flange and secured with screws at their front. The scanning unit is guided on the shaft via ball bearings, supported by the stator coupling. Optical rotary encoders and incremental encoders from megatron to use in medical robots or semiconductor manufacturing for example. Rotary tables and tilting axes require encoders with high signal quality for position and speed control. Ron, rpn and rcn angle encoders therefore provide excellent dynamic performance.