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ETMR

Product catalog summary

Ordering Code: The document provides an ordering code for the ETM series magnetic incremental encoder, detailing options for model, resolution, zero pulse, power supply, electronic interface, bore diameter, enclosure rating, max rotation speed, output type, and variants.

Main Features: The ETMR encoder is a contactless device with a through hollow shaft up to 28 mm, compact size, high IP rating, and vibration resistance, suitable for heavy-duty applications. It offers a 2-channel encoder (A/B) with resolutions up to 4096 ppr, power supply up to +28 VDC, and an output frequency up to 350 kHz.

Electrical Specifications: The encoder supports resolutions from 64 to 4096 ppr, with power supply options of 5 V DC, 5/28 V DC, and 8/24 V DC. It has a power draw of 800 mW max, a max load current of 20 mA per channel, and a max output frequency of 350 kHz. It complies with IEC 61000-6-2 and IEC 61000-6-4 for electromagnetic compatibility.

Mechanical Specifications: The encoder features bore diameters ranging from 9 mm to 28 mm, an IP 67 enclosure rating, a max rotation speed of 8000 rpm, and resistance to shock and vibration as per IEC standards. It is made from anodized aluminum and stainless steel, with operating and storage temperatures from -20° to +85°C.

Connections: The document outlines the cable output connections for push-pull and line driver types, detailing the color coding for each channel and power supply.

Resolutions: Available resolutions include 64, 128, 256, 512, 1024, 2048, and 4096 ppr, with the option to contact the company for other pulse requirements.

Catalog excerpts

ETMRMAGNETIC INCREMENTAL KIT ENCODER MAIN FEATURES Contactless encoder with through hollow shaft up to 28 mm. The compact size (only 11 mm thickness), the high IP grade and resistance to vibrations make this product an excellent solutions for heavy duty applications. • 2 channel encoder (A / B) up to 4096 ppr • Power supply up to +28 VDC with several electronic interfaces available • Up to 350 kHz output frequency • Cable output, connector available on cable end • Through hollow shaft diameter up to 28 mm • Shaft mounting with star-ring • Wide operating temperature -20° ... +85°C (-4° ... +185°F) ORDERING CODE ETM R 4096 S 5 L 9 8 PR . XXX SERIES magnetic incremental encoder series ETM MODEL through hollow ring R RESOLUTION ppr from 64 to 4096 see table for pulses availability ZERO PULSE without zero pulse S POWER SUPPLY (with L electronic interface) 5 V DC 5 (with L or PC electronic interface) 8 ... 24 V DC 8/24 5 ... 28 V DC 5/28 ELECTRONIC INTERFACE push-pull P push-pull protected (AEIC-7272) PC line driver L power supply 5/28 V - output RS-422 RS BORE DIAMETER mm 9 (3/8 I mm 9,52 mm 10 mm 11 mm 14 mm 19 mm 24 mm 28 ENCLOSURE RATING IP 67 S MAX ROTATION SPEED 8000 rpm 8 OUTPUT TYPE radial cable (standard length 1,5 m) PR VARIANT custom version XXX © Copyright 2016 Eltra S.p.a. Unipersonale. All rights reserved. All informations in this catalog are subject to change without notice. Eltra takes no responsibility for typographic errors. For the terms of sales please check the website. REV. 160607 93

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MAGNETIC INCREMENTAL ENCODERS I ETMR ELECTRICAL SPECIFICATIONS * 42,6 / 41,2 for shaft up to 0 19 mm 46 /48 for shaft from 0 21 to 0 28 mm Mounting tolerances *output levels according to power supply for further details please see under Technical basics section © Copyright 2016 Eltra S.p.a. Unipersonale. All rights reserved. All informations in this catalog are subject to change without notice. Eltra takes no responsibility for typographic errors. For the terms of sales please check the website. REV. 160607 94

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ETMR

ETMR

Catalog excerpts

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