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By converting shaft rotation into electronic pulses, encoders are used to electronically monitor the position of a rotating shaft. The encoder’s output pulses are counted and evaluated by a control unit to determine machine position and velocity, which provides exceptional accuracy and flexibility when controlling motion. The high mechanical and electronic operating speeds associated with optical encoders increase system speeds and accuracy, decrease cycle times, and boost overall productivity in the manufacturing environment. Autonics rotary encoders of various sizes and types offer high-quality and precise measuring of the operating position and speed of the rotating shaft, etc. for more precise control of the objects.
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Sherborne Sensors can supply an extensive range of incremental rotary shaft encoders with an emphasis on robust products to work reliably in the most demanding of applications.
Typical applications include:
Paper industry
Steel Industry
Measurement and inspection
Robotics
Materials handling
Cranes and lifting equipment
Laboratory testing
Angular alignment
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ENCODER SOKKY
The magnetic rotary encoder SOKKY answers to the request of systems of rotating incremental measure, guaranteeing great reliability and easy way of assembly without necessity of joints.
This type of component that is proposed by Celco Profil presents various advantages that involves its use as indicate on the list following:
Extremely simple assembly without necessity of execution of balance, thanks to the direct drive.
High resistance also in applications with onerous atmosphere, that is in presence of liquids, powders, corrosive elements;
Advanced reliability thanks to hybrid circuit LSI.
High answer in frequency (200 KHz), for high speeds of spin.
Available in a various and big range.
Max speed. 5000 rpm.
Available with pulses/rotations: 300 360 500 1000 1024 2000 2048.
Output type open collector or line driver.
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Measurement Specialties develops innovative custom packaged solutions for rotary sensing applications using magnetic sensing technology. An encoder is a sensing device that translates either linear or rotary motion into a predictable electrical output.
Magnetic encoder technology has shown to be superior to existing optical encoder technology in areas of:
- Temperature range
- Contamination resistance
- Operational life
- Shock and vibration
- Critical assembly operations
- Cost
Position Sensor - ED-20 Series
Description: The ED-20 Series magnetic encoder is designed for medium duty industrial feedback applications with ball bearing supported shaft. Resolutions are available from 200 to 1024 counts per revolution. This encoder series also features line drivers with active termination for long cable runs and reverse voltage protection. The ED-20 also offers the option of high voltage differential, low voltage differential or open collector (NPN) outputs. An index channel which offers a pulse every 180º is also included. The magnetic technology (magneto resistive) used in the ED-20 series offers many advantages over conventional optical encoder technology such as sealed electronics and extended temperature ranges. Furthermore, since there are no LED degradation issues, the ED-20 offers a virtually unlimited life.
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Incremental Encoder Type E33
E33 is a high quality, cost effective incremental encoder available with or without push button switch. This new, low profile encoder boasts a unique combination of ruggedness with available options, while providing an excellent indexing feel. The E33's versatile design enables Elma's engineers to react quickly to requests for customer-specific solutions, even in small quantities.
- 16 or 32 detents standard
- With or without push button
- Rotational life: 1,000,000 revolutions
- Excellent indexing feel with 0.5, 1.5, 2.0 or 2.5 Ncm
- Switching torque is consistent over life
- Robust metal housing with metal shaft
- 11.5 x 12.3 x 4.9 mm body size
- Optional IP67
- Operating temperature range: -40 to +85°C
- Various options and customization
- Including SMT reflow and dual concentric
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The photoelectric rotary encoder is used to establish an informational link between the key components of machines, industrial robots, comparators and DCC, NC or Digital Readout units. It gives information about the value and direction of the motion components. The encoder is used in automatic control, on-line gauging, in process monitoring systems, etc.
The encoder consists of three parts: mechanical, optical and electronic.
The case of the encoder is fixed to an object by means of screws. The shaft of the encoder is connected with an object shaft by virtue of a compensating coupling.
Model A58B
Diameter, mm: 58;
Number of pulses per revolution: 100 to 108000;
Output signals/ Power supply: ~11 µApp; ~1 Vpp;
TTL; HTL/+5V; 10 to 30 V;
Accuracy, arc.sec.: ±0.1T (T - period lines on disc).
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Hohner Automazione encoders are high precision position/speed transducers. They are used to sample these quantities
on a revolving axle. The encoder converts the input analog signal to digital signal, so that it can be handled by a computer device. The conversion is carried out by a coded wheel, integral with the transducer shaft, read by a photoelectronical system.
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Feedback mechanisms for gauging motor position and speed
Types: Magnetic, Optical, DC Tachogenerators
Line Counts: Ranging from 12 to 1024
*Magnetic and optical encoders can be integrated or adapted into Portescap motors
Ask about our newest encoder, the MR2 magneto-resistive encoder!
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DG 1xx Series
- rotary encoders for universal applications
- up to 90.000 counts per rev
- sinusoidal micro-current signals or square wave signals via Line Driver (RS 422 Standard)
- solid or hollow shaft types available
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RIK Series
- large thru hole diameter with low stack height (less than 8mm)
- up to 7.200.000 counts per rev
- dynamic amplitude and offset control
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Singleturn and multiturn encoders with Fieldbus, SSI, parallel- or analogue interfaces
Technologies:
- Absolute multiturn encoders with mechanical gear or electronic multiturn stage
- Intelligent Sensing Technology (IST)®
- Integrative Technology®
- Safety LockTM Design, OptoASIC Technology
- Latest field bus profile
These characteristics are ideal, for example, in the following applications:
- Trains, buses, construction plant, agricultural vehicles and other mobile equipment
- Movement of materials, storage, transport and storage technology.
- Plant engineering & Construction
- Elevators
- Gears & motors
- Wind power
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Titanium and Stainless steel encoders, used in alimentary industry, nautical industry and oil platform. Very good resistence against corrosion, heavy duty use. Push Pull and Line Driver electronics. Available pulses up to 90.000.
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The very resistant but compact design combines versatility of use with highly diversified characteristics. so that any application requirement whatsoever can
be met with excellent results.
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Absolute encoders are devices used to measure lengths or angles and are used as distance gauges in machine tools, in handling and automation technology and on testing units.
Absolute encoders
These output positional information in the form of a numerical value (code). This numerical value is unique across the entire resolution range of the absolute encoder. For this reason no initial reference run is required, as is the case with incremental encoders.
With rotary encoders, a distinction is made between single-turn encoders, which provide a resolution on just a single rotation and then revert to 0, and multi-turn encoders that provide a resolution over several rotations. A further distinction is made between optical and magnetic encoders.
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The Hollow-Shaft Optical Encoders are rugged,
high-performance devices designed for
use where precise motion sensing is critical.
The Series 835H is available in three different models. They have the same mechanical and electrical features,
but differ in performance and price.
The following features are common to all models:
Optional zero index Fits any size shaft up to 1.2"(30mm)
diameter Simpler design of user's shaft: No threads, shoulders,
or critical length requirements Internal flexible coupling
for easier installation Combination synchro/face mount
or square-flange mount Shielded ABEC Class 7 bearings
for protection against contaminants Precise chrome-on-glass disc.
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Specifications:
Resolver without slots for very high speed. Single step tranformer with more output power. For radiation environments.
Accuracy: 60 min
Pole: Speed 1
Excitation frequency: 6...12kHz
Supply voltage: 2...12 VAC
Tranformations ratio: 0,5 (+-5%)
Zero voltage: < 0.01%
Size: 15
Housing: 36,83mm x 20mm
Hollow shaft size: 6 or 10mm
Working temperature: -60°C... + 155°C
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Absolute Single-turn
Absolute encoders, contrary to the incremental ones, deliver their position even after cut of the supply voltage and do not require mechanical repositionning. Single turn encoders allows the positionning in the revolution (0-360°).
Absolute encoders provide Gray, binary or other specific code upon request.
Three ranges are available: the 58mm POSI+TM the 90mm ROBUSTECHTM, the 200mm MAXXTM.
Absolute Multi-turn
In addition to the position in the revolution, absolute multiturn encoder provides the number turns which have been made, up to 65,536 revolutions (16 bit).
A complete range of multiturn encoder is available with a mechanical or a patented all electronic memorisation of the number of turns.
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Absolute coders MT
The multi-turn absolute coders seize the mechanical movement of rotation of a drive on several revolutions. Absolute coders ST
The absolute coder ST
delivers for each angular position a value of coded position single. The value of absolute position is available as of the interlocking of the system. For this reason, a race of reference during the interlocking of the system is superfluous.
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Absolute encoders have a unique value (voltage, binary count, etc) for each mechanical position. When an absolute encoder is turned on, the position of an absolute encoder is known.
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AC 58-CANLayer2 (Hollow shaft):
Resolution: Singleturn 10 to 14 Bit, Multiturn up to 26 Bit
Shaft diameter: hub shaft 9.52 mm, 10 mm, 12 mm
Protection class: IP 64 or IP 67
Housing diameter: 58 mm
Supply voltage: DC10 - 30 V
Connection: Bus cover, cable or Conin
RoHS compatible: Yes
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Resolvers are absolute encoders offering a high level of availability, even under extreme conditions. These encoders were developed for the positioning of anti-aircraft guns a good 60 years ago, and are today used in all imaginable applications. MICRONOR resolvers are suitable for use in all extreme conditions where a standard encoder is no longer sufficient, e.g. for speeds of up to 100,000 rpm or in the presence of high levels of radio-activity, at temperatures of -60°C or 280°C, or when exposed to high impact stresses.
Our FE resolver units are available for any absolute multi-turn requirement. We can pair the resolvers in a single unit, in accordance with either the master-slave principle or the Vernier principle.
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Absolute Multi-turn
In addition to the position in the revolution, absolute multiturn encoder provides the number turns which have been made, up to 65,536 revolutions (16 bit).
A complete range of multiturn encoder is available with a mechanical or a patented all electronic memorisation of the number of turns.
BLUE RANGE
These encoders have been developed in an objective of rationalization of range and level of unequalled quality. T
hese standard products are available in solid shaft and hollow in connection SSI and the bus ground.
DIAMETRE 90
A range of encoders resistant to the shocks and important vibrations and developed for severe and/or corrosive environments: iron and steel industry, industry of paper, agroalimentary...
Mechanics available in hollow shaft 30 mm and solid shaf.
POSI+TM
New range of compact multiturn encoder with, besides the position, integrated intelligent additional function (speed, electronic limit switches, incremental channels)
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general data sensing method magnetic
max. error limit -1 ... 1 °
steps per turn 1024 / 10 Bit
electrical data interface SSI
allowable el. rot. speed < 6000 rev/min
SSI clock frequency < 1000 kHz
mechanical data
shaft type shaft
shaft diameter 8 mm, 6 mm, 5 mm
housing diameter 30 mm
flange servo
mounting depth 44 mm
housing/flange material steel / aluminum
mech. rotational speed < 6000 rev/min
ambient conditions
protection classes shaft IP IP 65
protection class housing IP 65
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Absolute Encoders output the rotational angle using an absolute code. The rotational position can be detected by reading the code. This eliminates the need to return to the origin at startup.
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Water Resistant Encoder for Tough Environments
IP65 drip-proof/oil-proof with sealed bearing
8 mm stainless steel shaft
NPN, or PNP open collector or voltage outputs
Optimum angle control
Response frequency: 20 kHz max., 5,000 rpm max.
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Distances, positions and angles - when a precise positioning is required in the area of industrial engineering, an encoder is just unbeatable.
When making distance measurements the resolution of the encoder is in the micrometer range, when making angular measurements it is equivalent to very few thousandth degrees.
In this way machines and components of all kinds can be positioned very precisely.
Absolute, non-contact length measuring systems, wire-draw encoders and compact measuring wheel encoders complete the offer.
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G0AMH
Technical data - electrical ratings :
Absolute accuracy ±0.025°
Approvals UL Approval / E63076
Code Binary
Code sequence CW/CCW programmable
Consumption w/o load <100 mA (24 VDC)
Diagnostic functions Position or parameter error
Multiturn sensing
Emitted interference DIN EN 61000-6-4
Function Singleturn
Initializing time 250 ms after power on
Interfaces Profibus-DPV0
CANopen
DeviceNet
Interference immunity DIN EN 61000-6-2
Number of turns 65536 / 16 bit
Programmable parameters Steps per turn
Number of turns
Preset
Scaling
Rotating direction
Reverse polarity protection Yes
Status indicator DUO-LED in bus cover
Steps per turn 8192 / 13 bit
Supply voltage range 10...30 VDC
User address Rotary switch in bus cover
Other products available:
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Absolute encoders are devices used to measure lengths or angles and are used as distance gauges in machine tools, in handling and automation technology and on testing units.
Absolute encoders
These output positional information in the form of a numerical value (code). This numerical value is unique across the entire resolution range of the absolute encoder. For this reason no initial reference run is required, as is the case with incremental encoders.
With rotary encoders, a distinction is made between single-turn encoders, which provide a resolution on just a single rotation and then revert to 0, and multi-turn encoders that provide a resolution over several rotations. A further distinction is made between optical and magnetic encoders.
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Absolute encoders have a unique value (voltage, binary count, etc) for each mechanical position. When an absolute encoder is turned on, the position of an absolute encoder is known.
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Ex and IP Encoders
Explosion protection is a sub-field of technology that deals with protecting against the occurrence of explosions and their effects. It is part of the field of safety technology and serves to prevent damage to people and property caused by technical products, systems and devices. Explosion protection comprises technical solutions and statutory provisions. Our EX encoders have been developed for this purpose and satisfy these requirements. Corresponding test certificates have been issued by external testing institutes.
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