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Eltra S.p.a.
EAM 36 F / G SSI

EAM 36 F / G SSI

Product catalog summary

Main Features:
The EAM 36 F/G is a miniaturized multiturn absolute encoder designed for limited size applications. It utilizes magnetic sensor technology without contact, combining Magnetic ASIC and Energy Harvesting. The encoder offers a sturdy construction with separated chambers and provides a total resolution of up to 51 bits (12 bits single turn + 39 bits multiturn). It supports a power supply of up to +30 VDC with an SSI electronic interface and features a code reset for easy setup. The encoder has a 6 mm diameter blind hollow shaft and can be mounted using a stator coupling or anti-rotation pin.

Specifications:
The encoder series is EAM, with models 36F (stator coupling) and 36G (anti-rotation pin). Multiturn resolution ranges from 1 to 39 bits, and single turn resolution from 1 to 12 bits. Code types available are binary and gray, with power supply options of 5 V DC or 8-30 V DC. The electronic interface is Serial Synchronous Interface (SSI), with positive logic. The enclosure rating is IP 67 on the cover side and IP 65 on the shaft side, with a maximum rotation speed of 8000 rpm. The output type is cable with a standard length of 0.5 m, and the direction type is radial.

Electrical Specifications:
The encoder supports multiturn resolution from 1 to 39 bits and single turn resolution from 1 to 12 bits. Power supply options are 4.75 to 5.25 V DC or 7.6 to 30 V DC with reverse polarity protection. Power draw without load is less than 400 mW. The output type is RS-422, with binary or gray code types. Auxiliary inputs include U/D and Reset, with active high (+Vdc) and a reset minimum time of 150 ms. Clock frequency ranges from 100 kHz to 1 MHz, with SSI monostable time of 20 µs and pause time greater than 35 µs. The SSI frame format varies based on multiturn bits, with accuracy typically ±0.35°.

Mechanical Specifications:
The bore diameter is 6 mm, with an enclosure rating of IP 67 on the cover side and IP 65 on the shaft side. The rotation speed is 8000 rpm continuous, with a maximum of 10000 rpm. The maximum shaft load is 20 N axial/radial, with shock resistance of 50 G and vibration resistance of 20 G. The moment of inertia is 0.001 x 10-6 kgm², with a starting torque of less than 0.01 Nm at +20°C. The shaft material is 1.4305/AISI 303 stainless steel, housing material is AISI 420 stainless steel, and bearing stage material is EN-AW 2011 aluminium. Bearings are 2 ball bearings with a life of 109 revolutions. Operating and storage temperatures range from -20° to +85°C.

Connections:
The encoder connections include various cable colors for different functions: +Vdc (red), 0 Volt (black), data + (green), data - (brown), clock + (yellow), clock - (orange), U/D (red-blue), and RESET (white). The shield is also included.

Catalog excerpts

Ifci-a EAM 36 F / G SSI BLIND HOLLOW SHAFT MAGNETIC MULTITURN ABSOLUTE ENCODER MAIN FEATURES Miniaturized multiturn absolute encoder for limited size applications. • Magnetic sensor technology without contact (Magnetic ASIC + Energy Harvesting) • Sturdy construction thanks to separated chambers • Up to 51 bit as total resolution (12 bit single turn + 39 bit multiturn) • Power supply up to +30 VDC with SSI as electronic interface • Code reset for easy setup • Cable output, connectors available on cable end • 6 mm diameter blind hollow shaft • Mounting by stator coupling or anti-rotation pin SERIES magnetic multiturn absolute encoder series EAM MODEL blind hollow shaft with stator coupling 36F blind hollow shaft with antirotation pin 36G MULTITURN RESOLUTION turns from 1 to 39 bit SINGLETURN RESOLUTION from 1 to 12 bit CODE TYPE binary B gray G POWER SUPPLY 5 V DC 5 8 ... 30 V DC 8/30 ELECTRONIC INTERFACE Serial Synchronous Interface - SSI S LOGIC positive P OPTIONS to be reported if not used X reset ZE BORE DIAMETER mm 6 ENCLOSURE RATING IP 67 cover side / IP 65 shaft side X MAX ROTATION SPEED 8000 rpm 8 OUTPUT TYPE cable (standard length 0,5 m) P DIRECTION TYPE radial R 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

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© 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

Open the catalog to page 2

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