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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 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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Pulses: 1.000, 1.024, 2.048, 2.500, 4.096
Housing: Ø 100 mm, L 37 mm
Continiuous hollow shaft: Ø 25-42 mm
Max. RPM: 3.500 U/min
Loading on shaft end: max 200 N radial, 100 N axial
Output channels: ABN, ABN inv.
Pulse frequency: 200 kHz
Power supply: 4.75 - 5.5 VDC, 10 - 30 VDC
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PRECILEC optical incremental encoders are designed with the same reliability than the RADIO-ENERGIE tacho generator. They measure with the highest accuracy the angular speed and position of rotating shafts in industrial environment : machine tools, specific machineries, robots, motor drives, lifts, handling, cranes, speed controllers, packing machines and various industries.
Main Characteristics of our encoder diameter 58, RCI 58 HS
PRECILEC encoders use a differential optical and ratio metric principle.
Their universal complementary push-pull output interface and their large supply voltage range make them very easy to connect to most of electronic control units.
Shaft type : 12, 14, 15mm and ½inch, stainless steel hollow through shaft.
Housing diameter : 58mm.
Pulses per turn : from 1 to 5400.
Fixation spring plate – Termination Radial cable, M23 and MS310 receptacle.
Operating temperature range (encoder body) : - 25° C / 85° C.
Electrical Characteristics :
Supply voltage : 4,5 to 30V DC with reverse polarity protection.
Output signals Universal complementary push pull, short circuit protected (7272) RS422 compatible with 5V supply voltage.
Mechanical Characteristics :
Max speed : 6000rpm.
Protection : IP64 at shaft end, IP 65 at housing (IEC60529).
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HOLLOW SHAFT ABSOLUTE encoder (large diameter)
Outer Diameter : 258 mm
Inner Diameter : 152 mm
Resolution : 19 bit (2,47'')
Accuracy : ± 3'', coupling included
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PRECILEC optical incremental encoders are designed with the same reliability than the RADIO-ENERGIE tacho generator.
They measure with the highest accuracy the angular speed and position of rotating shafts in industrial environment.
Applications for encoder diameter 90 are mainly dedicated to lift and elevator, cement, iron industries.
Main Characteristics of our 90 diameter encoder, RCI 90 HS
PRECILEC encoders use a differential optical and ratio metric principle to minimize temperature and photodiode aging effects.
Their universal complementary push-pull output interface and their large supply voltage range make them very easy to connect to most of electronic control units.
Shaft type : 20, 25, 30, 42 mm and 1inch, stainless steel through hollow shaft.
Housing diameter : 90mm.
Pulses per turn : 1024.
Fixation spring plate – Termination Radial cable, M23 & MS310 receptacle.
Operating temperature range (encoder body) : -25° 85°C.
Electrical Characteristics :
Supply voltage : 4,5 to 30V DC with reverse polarity protection.
Output signals Universal complementary push pull, short circuit protected (7272) RS422 compatible with 5V supply voltage.
Mechanical Characteristics :
Max speed : 3000rpm.
Protection : IP66 at shaft end, IP 66 at housing (IEC60529)
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Incremental Encoder
Body Diameter 120mm
Hollow Shaft Diameter from 40 to 65mm
Cable or Connector
Signals A,B,0 and Complimentary
Up to 50.000 Pulses per Revolution
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AC 110-BiSS/SSI:
Resolution: Singleturn 10 to 17 Bit
Shaft diameter: up to 50 mm
Protection class: IP50 or IP64
Housing diameter: 110 mm
Supply voltage: DC 5 V -5% / +10% or DC 10-30 V
Connection: Cable
RoHS compatible: Yes
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Quiet, non-slip digital copying
Particularly quiet and smooth-running, thanks to special belts and low-noise suspension.
Use up to speeds of 4 m/sec.
User-friendly, reliable alternative to switches and sensors.
Accuracy in the shaft: - Incremental encoder WDG up to 0,08 mm at 5000 pulses. - Absolute encoder WDG multiturn, with 8192 steps/turn (13 Bit) and 4096 turns (12 Bit), with CANopen- Lift or SSI Interface.
Fast, flexible installation with complete set of mechanical parts.
Noticeably quieter in a noise comparison*: Conventional System: 92 db Silent Move: 68 db *measured directly at the idler pulley at 4 m/sec.
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AC 58-Interbus (Hollow shaft):
Resolution: Singleturn 10 to 12 Bit, Multiturn up to 24 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 or cable with Conin
RoHS compatible: Yes
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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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Model 800 Series (Heavy duty)
When the most robust, maintenance-free and cost-effective pulse encoder solution is sought after, the encoders in the Model 800 Series are the first choice of the majority of designers. The optional ADS™ (Advanced Diagnostic System) is a built-in system used for condition-based or preventative maintenance, guaranteeing the reliability of the application. Demanding environments and electrically or mechanically stressful installations are circumstances the encoders in the Model 800 Series are often exposed to and for which they are well-protected. Accessories and ready-made design solutions meant to guarantee operation and increase service life which reduce the total cost of the application are also offered as options for the encoder series.
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Hollow Shaft up tp 200 mm, impulse rates up to 8182
Hollow Shaft up to 25 mm, impulse rates up to 16384
- High shock and vibration resistance
- High quality and reliability
- Suitable for rolling mill applications, degree off protection up to IP 66
- Combined units and coupled attachments
- Tailor-made solutions
- Insulated version
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3.5" dia x 2.4" long body; fits shafts up
to 1.20" dia
- Internal bellows-type precision flexible
shaft coupling
- Up to 90,000 cycles/rev (A quad B) at
500 kHz with internal electronics
- Up to 225,000 cycles/rev (A quad B) at
1 MHz with external electronics
- Buffered sinusoid (11,250 cycles/rev
Max), TTL, open collector or RS-422
output
- Three accuracy grades
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DS-90 Rotary, Sine/Cosine Absolute,
Electric Encoder™
The DS-90 is a member of the DS series, which is based on Netzer Precision Electric Encoder™ technology. This, state-of-the-art, technology offers many features, some unparalleled:
- Lowest profile (? 10 mm)
- High precision, absolute position output
- High tolerance to temperature, shock and moisture
- Tolerance to EMI, RFI, and to magnetic fields
- Very low weight
The holistic (1) structure of the Electric Encoder™ provides generous mounting tolerance, thus obviating the need for internal ball bearings. The absence of bearings, flexible couplers, glass disc, light sources and detectors, along with very low power consumption, make the DS-90 encoder virtually failure free.
The internally shielded, DC operated DS-90 includes an electric field generator, a field receiver, a sinusoidally-contoured dielectric rotor, and processing electronics. The coarse/fine, analog output signals are proportional to the sine and cosine of the rotation angle.
Demanding applications suited to the DS-90 include: Aerospace, medical, instrumentation, automation, etc.
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