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EH - EL 88 P

EH - EL 88 P
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EH - EL 88 P

Product catalog summary
Ordering Code: The document provides an ordering code for the EH and EL series incremental encoders, detailing options for model, resolution, zero pulse, power supply, electronic interface, shaft diameter, enclosure rating, max rotation speed, output type, and variants.
Main Features: The EH-EL 88P series is a through hollow shaft incremental encoder designed for medium-sized asynchronous motors. It features a 3-channel encoder with resolutions up to 2500 pulses per revolution (ppr), supports power supplies up to +28 VDC, and offers various electronic interfaces. The encoder has a sturdy mechanical design with a bore diameter of 25 or 30 mm, and a cable output with a connector available at the cable end.
Electrical Specifications: The EH series offers resolutions from 250 to 2500 ppr, while the EL series ranges from 2 to 2048 ppr. Power supply options include 5 V DC, 5/28 V DC, and 8/24 V DC with reverse polarity protection. The encoder has a maximum output frequency of 105 kHz and supports NPN, NPN open collector, push-pull, and line driver output types. It complies with electromagnetic compatibility standards IEC 61000-6-2 and IEC 61000-6-4.
Mechanical Specifications: The encoder has a shaft diameter of 25 or 30 mm, an enclosure rating of IP 65, and a maximum rotation speed of 3000 rpm. It is designed to withstand shocks of 50 G and vibrations of 20 G. The body and housing are made of EN-AW 2011 aluminum, while the shaft is made of AISI 303 stainless steel. The encoder operates within a temperature range of -10°C to +70°C and has a storage temperature range of -25°C to +85°C.
Connections: The document details the cable output connections for different electronic interfaces, including the color coding for power, ground, and channel signals.
Resolutions: Preferred resolutions for the EL series include 2, 5, 90, 100, 200, 360, 400, 600, 900, 2000, and 2048 ppr. For the EH series, preferred resolutions are 250, 256, 500, 512, 700, 720, 1000, 1024, 1440, and 2500 ppr.
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Catalog excerpts

EH - EL 88 P-1

EH - EL 88 PTHROUGH HOLLOW SHAFT INCREMENTAL ENCODER MAIN FEATURES 0 88 mm through hollow shaft encoder designed for middle size asyncronous motors. • 3 channel encoder (A / B / Z) up to 2500 ppr • Power supply up to +28 VDC with several electronic interfaces available • Up to 105 kHz output frequency • Cable output, connector available on cable end • Sturdy mechanic • 25 or 30 mm bore diameter, others on request • Shaft fixing with grub screws SERIES incremental encoder series EH incremental encoder series EL MODEL through hollow shaft with spring 88P RESOLUTION (mod. EH) max ppr 2500 (mod. EL) max ppr 2048 see table for pulses availability ZERO PULSE without zero pulse S with zero pulse Z 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 NPN N NPN open collector C push-pull P push-pull protected (AEIC-7272) PC line driver L (mod. EH) power supply 5/28V - output RS-422 RS SHAFT DIAMETER mm 25 mm 30 please directly contact our offices for other diameters ENCLOSURE RATING IP 65 S MAX ROTATION SPEED 3000 rpm 3 OUTPUT TYPE radial cable (standard length 0,5 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 73

 Open the catalog to page 1
EH - EL 88 P-2

2 - 5 - 90 - 100 - 200 - 360 - 400 - 600 - 900 - 2000 - 2048 please directly contact our offices for other pulses, preferred resolutions in bold © 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 74

 Open the catalog to page 2

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