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INCREMENTAL & ABSOLUTE ENCODERS POTENTIOMETRIC LINEAR TRANSDUCERS MAGNETORESTRICTIVE TRANSDUCERS |
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ENCODERS (A, B & Z channel outputs) Body diameter 30mm to 115mm 2 to 25000 pulses per rev Hollow shaft encoders for upto 78mm shafts 5 to 28 VDC supply Upto IP67 shaft seal Through shaft models Cable encoders Rack & pinion encoders Magnetic encoders upto 16384 pulses/rev |
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| ABSOLUTE
ENCODERS (Binary or Gray code outputs) Body diameter 40mm to 115mm Single turn models upto 8192 resolution Multiturn models upto 16384 revs Parallel, SSI, ICO and Profibus outputs Magnetic encoders upto 2000 bit/rev |
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| ANALOG
POSITION TRANSDUCERS (analog outputs) 3 & 10 turn rotary potentiometer Single turn absolute encoder with analog output. Linear potentiometers upto 1250mm Magnetorestrictive transducers upto 1500mm |
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| QEM PROGRAMMABLE DIGITAL
DISPLAYS Counters Tachometers Position displays |
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New & Interesting ELTRA Products
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EML50 series  |
These single turn transducers have very high sealing upto IP67 and provide an analog signal (4-20mA, 0-5V, 0-10V) proportional shaft position. The measuring range can be a 0-90 deg, 0-180 deg, 0-270 deg or 0-360 deg. Unlike many potentiomneters, these are mechanically stopless and cannot be damaged by rotation over 360 degrees. They are based on an absolute encoder rather than a potentiometer so life is limited only by bearing life. Accuracy is upto 12 bits. |
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EAM36 series  |
The EAM36 is a very compact multiturn encoder (36mm dia) using an innovative self powered Energy Harvesting Technology, based on the Wiegand System so gears and batteries are not required. Single turn resolution is 12 bit (4096) and number of turns resolution is 39 bit. Encoder sealing is IP65 and output is SSI (serial) for easy connection. Working temperature is upto 85 C. |
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EH99  |
This incremental hollow shaft encoder is designed for rugged applications such as wind turbines, cranes and paper mills. It has insulated bearings to avoid induced voltages damaging inernal circuitry and an extended working temperature opf 85 C. IP67 sealing is available. |
ELTRA AND ENCODERS
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An encoder is a rotational transducer that converts angular movement into digital pulses. They use a radially graduated optical disk with an infra red transmitter one side and an optical receiver the other side. When the shaft is rotated, the light beam is interrupted and electronic pulses are produced. The pulses can be used to measure position, speed, acceleration and direction of rotation. | ||
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Encoders are used in industrial production machines. Examples include textile production, CNC machines, robots, labelling machines, packaging machines. | ||
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Our E.M.C statement applies to the installation of these products. At the time of web site publication, all ELTRA encoders and sensors claim European CE and Australian C-tick conformity. The CE compliance is important for machine manufacturers seeking clients in European countries. | ||
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ELTRA encoders can be interfaced to a wide range of devices like PLCs, computers, frequency to current converters, motion controllers and microprocessor based controllers. | ||
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ELTRA is based in Northern Italy and has been manufacturing encoders since 1985. Their ELTRA products are widely used in Europe and are often found in European machines located worldwide. Their products are manufactured and tested to ISO9001:2000 quality standards. | ||
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Range Size |
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The Eltra range consists of over 60 models of differing sizes, depending on the mechanical mounting required. Incremental encoders with upto 10000 pulses per rev and absolute encoders of upto 12 bit resolution are available. Rectilinear encoders and potentiometric position sensors are also available. Output styles can be NPN open collector, PNP, push-pull and line driver. Power supplies range from 5V to 28V. This makes it difficult to stock these products. | ||
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Products |
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ELTRA's main business is encoders. However, they now also manufacture linear and rotary potentiometers, encoder signal conditioners and encoders with analog outputs. | ||
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Some encoders are available with special variants. These are indicated by the 3 digit code on the end of the part number and have often been made for a specific machine manufacturer. The nature of the vaiant may be a special shaft or non standard electrical connectors. | ||
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& Pacific |
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ELTRA have authorised Automated Motion Systems to supply some countries in South East Asia and Pacific area where they do not have representation. Please contact office on sales@automotsys.com.au to see if we are able to assist you. | ||
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Service |
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When an encoder on a machine is damaged, the cost of lost production time can be very high. We usually have shipments arriving every 3-4 weeks. To assist with breakdowns, ELTRA have an express encoder replacement service (at extra cost). Using this service, they can usually manufacture the encoder in 48 hours (not inc. weekends or public holidays) and ship it on a fast air freight. Contact our office on sales@automotsys.com.au for details. | ||
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Notes |
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More info on using encoders and operation can be found in the Automated Motion Systems technical notes Using encoders in Motion Control For assistance with encoder cable
connections and connectors see |
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Brochure |
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Due to the large range of models and options available, we are unable to put all spec sheets on the web page. Please email Automated Motion Systems Pty. Ltd. for more detailed specifications on the Eltra encoders. A general brochure shows most of the models but this is continually being updated. | ||
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Connections |
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Datasheet showing connections for all encoders, their cables and connectors. |
INCREMENTAL ENCODERS (A, B & Z channel output)
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EL-ER30 (E,H,I) 30mm diameter 1 to 2048 pulses/rev |
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EH38 (A,B,D) 38mm diameter 50 to 1024 pulse/rev |
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EL-ER40 (A,B,C,E,I,H,N,X) 42mm diameter 1 to 25000 pulse/rev |
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EH (17M,30M) kit encoder 50 to 1024 pulse/rev for motor feedback |
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EL-ER40 (G,) 1 to 2500 pulses/rev 45mm dia |
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EL53 (A,B) 53mm diameter 1 to 10000 pulse/rev with flexible coupling |
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EL-ER63 (A,D,E) 63.5mm diameter 1 to 25000 pulse/rev |
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EL-ER58 (B,C,H,T) 58mm diameter 1 to 25000 pulse/rev |
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EH-EF-EW80 (C,P,K) 80mm diameter shaft mounting 200-2048 pulse/rev with motor commutation |
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EX80 (A,D) 1 to 10000 pulse/rev 80mm diameter flameproof |
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EH-EL-ER90 (A,R) 90mm diameter 1 to 10000 pulse/rev |
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EH-EL-ER115 (A,R) 115mm diameter 2 to 10000 pulse/rev |
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RM500/RH200 (A,B.C) with metric wheel 2 to 10000 pulse/rev 200 or 500mm wheel |
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EL38 (F,G) 38mm dia hollow shaft mounting 1 to 25000 pulse/rev |
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EH-EL72 (A,B) flange and coupling 1 to 10000 pulse/rev |
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EL40 (G,GR) 42mm dia hollow shaft mount 1 to 2000 pulse/rev |
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EF36K with commutation 1 to 2048 pulse/rev |
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EL48 (C,P) 48mm dia with motor commutation hollow shaft mount 1 to 2048 pulse/rev |
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EL/EF49 (C,P) 49mm dia with motor commutation hollow shaft mount 1 to 2048 pulse/rev |
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EF50 (F,G,K) 50mm dia with motor commutation hollow shaft mount 1 to 2048 pulse/rev |
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EF50 (FA,FP,GA,GP) 50mm dia with motor commutation hollow shaft mount 1 to 2048 pulse/rev |
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EL58/63 (F,G,P,FB,GB) 58/63mm dia hollow shaft mount 1 to 25000 pulse/rev |
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EH/EF80 (C,P,K) 80mm dia with motor commutation hollow shaft mount 200 to 2048 pulse/rev |
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EH-EL88 (P) through shaft mounting 1 to 2048 pulse/rev upto 30mm shaft dia |
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EL120 (P) through shaft mounting 1 to 2048 pulse/rev upto 60mm shaft dia |
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EH88 (PE,PET) through shaft mounting 500 to 2500 pulse/rev upto 40mm shaft with key |
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EH80 (PFA,PFP) for heavy duty motor feedback 85 C working tempo upto 44mm shaft |
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EH80 (PU) through shaft mounting 1000 to 2048 pulses/rev |
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ETMA incremental Magnetic linear encoder upto 20m lengths resolution 0.1 or 0.04mm |
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EV 2 to 10000 pulse/rev 58mm diameter For CNC machines |
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EC34A 1 to 2000 pulse/rev 85mm square rack & pinion |
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ERA 100 to 500mm 0.04mm resolution Rectlinear |
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FE cable extention encoder incremental or absolute upto 4 metres cable |
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EH99 Heavy Duty Encoder 85 C working temp 512 to 3072 ppr IP67 seal For wind generators & cranes |
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FES cable extention encoder incremental, absolute, SSI, Profibus upto 13.5 metres cable |
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EMI22 Magnetic encoder high temp, high sealing no mechanical contact high speeds 100 to 2048 pulse/rev |
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EMI38 Magnetic encoder high temp, high sealing high speeds 100 to 2048 pulse/rev |
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EMI55 Magnetic encoder high temp, high sealing no mechanical contact high speeds 100 to 2048 pulse/rev |
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ETM (R) high sealing large shaft diameters upto 28mm non contact 64 to 4096 pulse/rev easy to install |
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EMI58 (RY) Magnetic encoder for harsh environments 2 to 2048 pulse/rev IP66 sealing |
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EMI63 (A,D) Magnetic encoder for nharsh environments 2 to 2048 pulse/rev IP66 sealing |
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EL63 (AX,DX) stainless steel housing IP66 rating for offshore applications |
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EMI63 (AX,DX) stainless steel housing magnetic encoder IP66 rating |
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EL58 (PFA PFP PGA PGP) for large shafts insulated bearing option 1 to 4096 pulse/rev |
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EMI40 (A) magnetic encoder high temperature to 100 C 2 to 2048 pulse/rev IP66 sealing |
SINGLE TURN ABSOLUTE ENCODERS (parallel, SSI, ICO, Profibus outputs)
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EA58,63,90,115
(A,B,C,D,E,F,G) Parallel Output upto 8192 resolution Gray code or binary output |
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EA58,63,90,115
(A,B,C,D,E,F,G) SSI Output upto 8192resolution Gray Code or binary output |
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EA58,63
(A,B,C,D,E,F,G) ICO Output simplified wiring upto 1024 resolution |
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EA120
(P) Parallel Output hollow shaft, upto 50.8mm dia upto 4000 per rev |
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EAX80
(A,D,AX,DX) Parallel Output flameproof upto 8192 resolution |
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EMA-EMS22
(A,AY) Parallel Output magnetic Encoder high temperature high Sealing high speed upto 8102 pulse/rev |
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EMA50
(A,B,AY BY) Parallel Output magnetic encoder high sealing upto 8102 pulse/rev |
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EMA50 (F,FY,G,GY) Parallel Output magnetic encoder high sealing upto 8102 pulse/rev |
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EMA55
(A,AY) Parallel Output high speed high sealing magnetic encoder no physical contact |
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EMA-EMS63
(A, D,) Parallel Output for harsh conditions magnetic encoder high sealing upto 8102 pulse/rev |
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EA63
(AX, DX) Parallel Output For harsh conditions ideal for offshore applications upto 8192 pulse/rev |
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EA63
(AX, DX) Profibus Output For harsh conditions ideal for offshore applications upto 8192 pulse/rev |
MULTI TURN ABSOLUTE ENCODERS (parallel, SSI, ICO, Profibus outputs)
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EAM58,63,90,115 (A,B,C,D,E,F,G) Parallel Output upto 8192 resolution, 4096 turns Gray code or binary output |
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EAM58,63,90,115 (A,B,C,D,E,F,G) SSI Output upto 8192 resolution, 16384 turns Gray Code or binary output |
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EAM36 (A,F,G) flange or shaft mounting small size IP65 8000 rpm serial output 39 bit number of turns 12 bit positions per turn SSI output |
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EAM W58 (B,C) EAMW63 (D) 24 bit (12 per turn, 12 for uultiturn) Wiegand system, self powered IP67 SSI output upto 85 C operation |
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EAM58,63,90,115 (A,B,C,D,E,F,G) Profibus Output simplified wiring upto 8192 resolution, 4096 turns |
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EAM63 (AX,DX) Profibus Output upto 8192 resolution, 4096 turns |
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EAMX80 (A,D,AX,DX) SSI Output flameproof upto 8192 resolution, 16384 turns |
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EAM36 (A,F,G) SSI Output magnetic encoder compact size 12 bit resolution |
