Encoders and Resolvers Reference Materials
Reference Articles 1 - 80 of 80
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How To Substantially Reduce Encoder Cost While Gaining Functionality With Multi-Turn Rotary Position Sensors
From: Novotechnik U.S., Inc.Description: Many applications require rotation counters that can measure angles greater than 360º. However the low-cost 10-turn potentiometers most design engineers are familiar with can't always meet user ...
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E-mail on Creating a Post Quad Encoder Signal
From: Quantum Devices, Inc.Description: An e-mail response I sent to someone who was asking about how to calculate the sampling rate they needed to 4X encoder signals. 4Xing or "Post Quad" is a way to use the fundamental A and B encoder ...
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Using an Optical Encoder to Measure Angles
From: Quantum Devices, Inc.Description: This type of conversion may be useful for any application of optical encoder to measure angles. ...
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Build an Incremental Encoder Quick Tester
From: Quantum Devices, Inc.Description: How to Build a Portable Incremental Encoder Tester ...
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Why Can't I See My Optical Encoder Output Signals?
From: Quantum Devices, Inc.Description: Why Do My Incremental Encoder Signals Disappear? ...
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Help Picking the Resolution of an Incremental Encoder
From: Quantum Devices, Inc.Description: I recently received an e-mail asking for some help picking the right resolution for an optical incremental encoder. ...
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Optical Encoder Pulse Counting with a PLC
From: Quantum Devices, Inc.Description: Optical Encoder Pulse Counting with a PLC ...
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Interfacing to 26C31 Line Drivers in QDI Rotary Encoders
From: Quantum Devices, Inc.Description: Encoder Electrical Structure ...
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Gray Code for Rotary Incremental Encoders
From: Quantum Devices, Inc.Description: Gray code was named for Frank Gray, a Bell labs researcher, who patented the procession in 1953, even though a form of it was used by Emile Baudot for telegraphy as early as 1878. ...
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Optical Encoder Incremental Signal Measurement
From: Quantum Devices, Inc.Description: While most of us are familiar with how to measure something in mechanical degrees, incremental encoder signals are measured in electrical degrees. ...
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What is Hysteresis Noise Filtering and How is it Used in Optical Encoders?
From: Quantum Devices, Inc.Description: How it Relates to Optical Encoders ...
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Choosing the Resolution of a Rotary Incremental Encoder
From: Quantum Devices, Inc.Description: "What resolution of rotary encoder do I need?" is a question designers often ask themselves. A common mistake is that a higher resolution is always better. This may or may not be the case. Ultimately ...
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Reduce Electrical Noise in Rotary Incremental Encoders with Termination Resistors
From: Quantum Devices, Inc.Description: Since most electronics are set up to have high input impedance, in some situations the addition of a loading or "termination" resistor can help to reduce interference from electrical noise. ...
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Better Edge Determination for Rotary Encoders
From: Quantum Devices, Inc.Description: A standard edge sensing scheme for optical rotary encoders is to square up the raw analog sine wave by comparing it against a given voltage ...
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Incremental Rotary Encoders for Automated Guided Vehicle (AGV) Control
From: Quantum Devices, Inc.Description: Incremental Rotary Encoder AGV Guidance ...
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Miniature Rotary Encoders with Built-In Commutation
From: Quantum Devices, Inc.Description: Automated equipment designers in many medical, industrial and military sectors are constantly working to reduce the working envelope of the equipment they produce. Whether it is for robotic or ...
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Encoders in Robotics | Robot Encoder
From: Quantum Devices, Inc.Description: Optical Encoders Used in Robotics ...
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Understanding Incremental Encoder Signals
From: Quantum Devices, Inc.Description: Which Encoder Wires Should I Use to Begin Understanding Incremental Encoder Signals? ...
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The Use of Potentiometers in Incremental Encoder Design
From: Quantum Devices, Inc.Description: Potentiometer vs Encoder ...
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What is a Servo Motor?
From: Quantum Devices, Inc.Description: How encoders are used on servo motors ...
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Advantages of igh-precision magnetic measurement systems in robotics
From: BOGEN Magnetics GmbHDescription: Magnetic measurement systems are the superior choice for engineers and automation specialists looking for high precision, reliability, and cost efficiency. Whether in robotic arms, grippers, or linear ...
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Temperature Effects on Optical Encoders
From: Quantum Devices, Inc.Description: In Optical Encoders, the item most affected by temperature is the output of the Light source. In most cases this is an LED. ...
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Bearing Encoder vs Modular Encoder - Making the Right Choice
From: Quantum Devices, Inc.Description: A a comparison of Bearing Encoders vs Modular (Bearingless) Encoders for use in Brushless DC Motors. ...
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Calculating Output Frequency for Rotary Encoders
From: Quantum Devices, Inc.Description: Here are three handy calculations for incremental rotary encoders: ...
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Preferred Wiring Methods for Optical Encoders
From: Quantum Devices, Inc.Description: Preferred Wiring Methods for Optical Encoders ...
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What is a Rotary Encoder?
From: Quantum Devices, Inc.Description: A rotary encoder is an electromechanical device that attaches to a motor/shaft assembly in order to accurately report the position, speed and acceleration of the rotary shaft. ...
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What is an Incremental Encoder?
From: Quantum Devices, Inc.Description: An incremental encoder is an electromechanical device that measures changes in motion and direction. Incremental rotary encoders generate A/B digital output signals based on a specific number of ...
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What is An Optical Encoder?
From: Quantum Devices, Inc.Description: An optical encoder is an electro-mechanical motion sensor and feedback device consisting of an LED light source, a photodetector, and a disc with slot-like apertures. ...
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What is a Transmissive Rotary Encoder?
From: Quantum Devices, Inc.Description: A transmissive rotary encoder, also known as a shaft encoder, is an optical, electromechanical device that is used to measure and control rotational motion in a very broad range of industries and ...
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What is meant by Rotary Incremental Encoder Index Pulse
From: Quantum Devices, Inc.Description: An INDEX PULSE is a digital signal generated from an incremental encoder on an individual output channel, once per revolution. This unique pulse may be used for several purposes ...
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Encoders in Robotics
From: Quantum Devices, Inc.Description: Encoders are fundamental by nature to robotics motion control as they provide accurate and precise feedback about angle, position, and speed. ...
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Feedback Options for Cardiovascular Applications
From: PortescapDescription: In sensitive medical applications like cardiovascular care, encoders do more than just track mechanical movements; they bridge the gap between motion and electronic feedback to keep cardiac and ...
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Precision Magnetic Measurement: Techniques, Technologies, and Applications
From: BOGEN Magnetics GmbHDescription: Magnetic measurement systems provide high accuracy, contactless positioning, and measurement capabilities in challenging industrial environments. This article outlines the principles and technologies ...
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The Unseen Guardians: How Magnetic Heads Secure Our Daily Transactions and Access Systems
From: BOGEN Magnetics GmbHDescription: Magnetic technology is integral to daily life, enabling secure transactions and access systems through single and multi-track magnetic heads. These heads read and write magnetic information, a process ...
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White Paper: Choosing Best Encoder Type For Application
From: Novotechnik U.S., Inc.Description: For Some Applications The Best Solution May Surprise You ...
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Extend Encoder Life with Proper Encoder Mounting
Description: Encoders are essential components in many industrial applications, providing precise feedback on position, speed, and direction of motion. However, like any other mechanical device, encoders are ...
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CENO Slip Ring Used on the Lithium Battery Winding Machines
Description: CENO produced electric power slip ring is also often used in lithium battery winding machines. Lithium battery winding machine is used to wind lithium battery cells. It is a machine that assembles the ...
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Robotic Actuator Powered by 24ECT Brush DC Motor
From: PortescapDescription: The popularity of collaborative robots (cobots) has led to a wide variety of humanoid style robots being used in various home and industrial settings. The robot axes require actuators that are ...
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Encoders: Why They're Used and How to Make Your Selection
From: PortescapDescription: Encoders provide feedback for accurate motor control relating to speed and positioning. Portescap looks at the technologies involved and explains how to choose the encoder for your application. ...
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Rotary Encoders: What They Are and How They Work
From: Advanced Assembly, LLC.Description: Rotary encoders are electromechanical devices that detect an axle's absolute or relative rotational position. The resolution of the encoder determines the minimum detectable angular displacement. ...
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Encoders: Why They're Used and How To Make Your Selection
From: PortescapDescription: Encoders provide feedback for accurate motor control relating to speed and positioning. Portescap looks at the technologies involved and explains how to choose the encoder for your application. ...
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Case Study: RLS Encoders and Renishaw help Place Dynisma in Pole Position
From: RenishawDescription: Renishaw and RLS provided magnetic encoders and technical support to British-based Dynisma for its latest dynamic motion simulator designed for applications in motorsport and beyond. Dynisma selected ...
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Why an Encoder?
From: PortescapDescription: Encoders provide feedback for accurate control of speed and positioning. ...
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Seamlessly Switch Between Two Encoders with IF11
From: Hymark/Kentucky GaugeDescription: IF11 is designed for contactless (non mechanical), bounce-free switching between two SSI encoders and one SSI Master unit. IF11 uses a narrow and space-saving plastic housing, suitable for DIN rail ...
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PIOne Interferometric Position Sensors for Reference Class Nanopositioning Stages
Description: An In-house Development for Picometer Resolution over Large Travel Ranges ...
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ADVANTAGES OF DRAW-WIRE ENCODERS
From: Hymark/Kentucky GaugeDescription: Draw-wire encoders are a little-known type of measuring system. That's why it is seldom considered when it comes to designing a new solution for an industrial application. But there are a number of ...
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INDUSTRY 4.0 ENCODERS FOR SMART FACTORIES
From: Hymark/Kentucky GaugeDescription: Lika Electronic is a key player in the manufacturing of encoders and converters with Ethernet and fieldbus technologies and offers one of the most comprehensive ranges in the market. It includes ...
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LOGISTICS 4.0 - ENCODERS FOR AUTOMATED GUIDED VEHICLES (AGVS)
From: Hymark/Kentucky GaugeDescription: Automated guided vehicles (AGVs) are transforming the way materials are moved in manufacturing facilities and distribution warehouses. In buildings where several operations are carried out ...
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Advantages of Linear Encoders Over Rotary Encoders
From: Hymark/Kentucky GaugeDescription: In a large number of applications linear encoders with magnetic sensing technology can be an excellent replacement for rotary encoders. Thanks to their mechanical and electrical features, they offer ...
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Fundamentals of Industrial Encoder Sensing Technologies, Motion Detection Theory and Methods, and Signal Output Styles
From: Automationdirect.comDescription: Encoders are used to determine the position, velocity and direction of a motor shaft or other mechanical motion. They provide information required for the precise control of a variety of applications, ...
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When to Choose the CE Mark
From: Encoder Products CompanyDescription: The CE (Conformite European) mark indicates that a product complies with any or all of the European Union (EU) directives, and will affect you only if your system is to be sold in Europe. CE does not ...
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The Basics Of How An Encoder Works
From: Encoder Products CompanyDescription: Before you can fully understand how an encoder works, you should first understand what an encoder is and what it does. An encoder is a sensing device that provides feedback from the physical world-- ...
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A New Approach to Interpolated High Resolution Encoders
From: Encoder Products CompanyDescription: The key to the successful operation of an optical encoder is the optics system, which consists of a light source, a resolution disk, and a sensor. During the operation of the encoder, the resolution ...
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Accuracy of Encoders
From: Encoder Products CompanyDescription: Accuracy is defined as how close an actual pulse is to the theoretical perfect position. Many applications require encoders with a high degree of accuracy to function well. With poor accuracy, ...
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Encoders in Inhospitable Environments
From: Encoder Products CompanyDescription: Encoders are often times called to duty in an environment that is not conducive to a long life. For protection against corrosion of the housing, shafts, connectors, etc., encoder housings should be ...
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Gray Codes, Natural Binary Codes, and Conversions
From: Encoder Products CompanyDescription: Gray Code is a form of binary that uses a different method of incrementing from one number to the next. With Gray Code, only one bit changes state from one position to another. This feature allows a ...
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Noise and Signal Distortion Considerations
From: Encoder Products CompanyDescription: When the electrical signals leave the encoder, they are "clean" in the sense of being noise free. However, by the time these signals reach their intended destination they can be degraded by radiated ...
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Noise Effects on Signals
From: Encoder Products CompanyDescription: Electrical noise generated by AC power, electric motors, fluorescent lighting, relays, and many other sources can cause a plethora of problems in electrical systems. For the encoder in your system ...
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Noise Suppression of Differential Signals
From: Encoder Products CompanyDescription: An encoder is an electro-mechanical transducer that converts mechanical rotary motion into digital signals for the control of machinery. The encoder produces a square wave signal as the shaft rotates. ...
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Shaft Loading and Sealing vs. Bearing Life Expectancy
From: Encoder Products CompanyDescription: The mechanical life of an encoder is mainly determined by the life of the unit's bearings. Several factors affect bearing life, including shaft loading, heat, ingress and rotational speed. Shaft ...
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Case Study: TONiC™ incremental encoders have star potential for Astrosysteme Austria
From: RenishawDescription: The digital age has led to a quantum leap in astrophotography, making even the furthest galaxies accessible to professional astronomers and observatories. Now, thanks to Astrosysteme Austria (ASA), ...
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Magnetic Alternative to Optical Encoding
From: Phoenix America, Inc.Description: Incremental encoders using magnetic technologies have been around a long time. Because of their robust nature, automotive designers have been using Low Resolution Magnetic Encoders for years in ...
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Important Considerations When Selecting Digital Encoder Outputs (.pdf)
From: Encoder Products CompanyDescription: There are several important factors to consider when choosing the digital output for your encoder feedback system, but navigating through the options doesn't have to be difficult. ...
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Un-tether Your Encoder: Go Wireless
From: BEI SensorsDescription: Encoders come in a wide variety of sizes, accuracies, and ranges based upon just as wide a variety of mechanical and optical technologies. And you can pay as much or little as you wish. But all ...
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KEELOQ® Encoders Oscillator Calibration
Description: Several KEELOQ® Encoders of recent introduction, offer the ability to calibrate the internal RC clock oscillator, upon which all the device timings are based. At the time of writing this ...
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Implementation of a DSP-based 20-bit High Resolution Quasi-Absolute Encoder for Low-Speed Feedback Control Applications - White Paper (.pdf)
Description: Absolute encoders using optical technology often face limitations in resolution and size. For example, to achieve a higher resolution of up to 16-bits, the absolute encoder has to be combined with an ...
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KEELOQ Code Hopping Decoder Using Secure Learn
Description: All KEELOQ encoders use the KEELOQ code hopping technology to make each transmission by an encoder unique. The encoder transmissions have two parts. The first part changes each time the encoder is ...
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KEELOQ® CRC Verification Routines
Description: All of the KEELOQ Encoders share the same standard code word format composed of a basic set of 65 bits of information. Although, the Advanced Encoders (e.g. HCS360, HCS361) supplement that set with ...
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Commutation of a BLDC Motor with Various Pole-Pairs Can Be Simplified By Using Absolute Encoder Feedback - White Paper (.pdf)
Description: Brushless Direct Current (BLDC) motors are gaining popularity and larger market acceptance. BLDC motors are used in industries such as Industrial Automation Equipments, Consumer, Medical, Automotive, ...
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Renishaw Encoders Ride a Controlled Explosion
From: RenishawDescription: In Stanley Kubrick's classic film Dr. Strangelove Slim Pickens was dropped from the aeroplane riding a bomb. If he'd been riding a motorcycle then he would certainly have been astride a KTM Nitro ...
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Eliminating Damage from Motor Shaft Currents Through Tachometers and Encoders
Description: Since the introduction of variable speed electronic controls for DC and AC motors, users have noted a troubling problem; voltage potential is sometimes induced on the shaft of the motor. ...
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Measuring Length and Rate Using Quadrature for an Oil Drilling Operation
From: Laurel Electronics LLCDescription: Floating oil drilling platforms must be positioned accurately over undersea oil deposits before the platform's four legs can be dropped to secure the platform. Fine position control is achieved by ...
- Applying Encoder Communications to Your Design
- Let's Talk Accuracy
- Virtual Absolute™ Technology
- Glossary of Encoder Terms
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Motion Control and Encoder Technology: A Tutorial
From: Baumer Ltd.Description: Sensors and encoders are used everyday in manufacturing environments and high precision equipment to monitor the proximity or presence of an object, as well as the position, distance, direction, and ...
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Resolvers - The Feedback Problem-Solvers in Harsh Environments
From: Empire Magnetics Inc.Description: Resolvers are wonderful! Most of all, they are very rugged, withstanding shock and vibration, thermal shock and high and low temperatures with ease. They will reliably perform in vacuum and pressure ...
- Square Waves And Pulses: A Clarification
- Understanding Quadrature