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EL - ER 72 A / B

EL - ER 72 A / B
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EL - ER 72 A / B

Product catalog summary
Overview: This document is a technical catalog for Eltra's optical hollow shaft incremental encoders, specifically the EL and ER series. These encoders are designed for industrial environments requiring high mechanical resistance and are suitable for direct mounting on motors or tachometric dynamos.
Specifications:
  • Series: EL and ER incremental encoder series.
  • Model Variants: Different models based on fixing hole diameters (63.5 mm, 65 mm, 57 mm, 60 mm).
  • Flange Type: Types A and B available.
  • Resolution: From 1 to 24000 pulses per revolution (ppr).
  • Power Supply: Options include 5 V DC, 8-24 V DC, and 5-28 V DC.
  • Electronic Interface: NPN, NPN open collector, push-pull, line driver, and RS-422.
  • Bore Diameter: Options of 6 mm, 8 mm, and 10 mm.
  • Enclosure Rating: IP 54 and IP 66.
  • Max Rotation Speed: 3000 rpm for IP 66 and 6000 rpm for IP 54.
  • Output Type: Cable or various connector options.
Mechanical Specifications:
  • Max Shaft Load: 200 N axial/radial.
  • Shock Resistance: 50 G, 11 ms.
  • Vibration Resistance: 10 G, 10-2000 Hz.
  • Operating Temperature: -10°C to +60°C for EL series, -25°C to +85°C for ER series.
  • Body Material: EN-AW 2011 aluminum.
  • Shaft Material: 1.4305 / AISI 303 stainless steel.
Electrical Specifications:
  • Max Output Frequency: 250 kHz up to 6000 ppr, 500 kHz from 7200 ppr.
  • Electromagnetic Compatibility: Compliant with IEC 61000-6-2 and IEC 61000-6-4.
Technical Specifications for Tachometric Dynamo:
  • Peak to Peak Ripple: ≤ 1%.
  • Linearity Error: ≤ 0.2%.
  • Max Speed: 5000 rpm for 60V, 6000 rpm for 20V.
  • Enclosure Rating: IP 55.
Accessories and Connections: Various connectors and accessories are available for different application needs, including dynamo options and multiple pin configurations for connectors.
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Catalog excerpts

EL - ER 72 A / B-1

EL - ER 72 A / BBLIND HOLLOW SHAFT INCREMENTAL ENCODER MAIN FEATURES Standard encoder series for industrial environments with high mechanical resistance requirements. Specifically designed for direct mounting on motors or tachometric dynamos thanks to integrated elastic coupling which allows radial and / or axial motor shaft play. • 3 channel encoder (A / B / Z) up to 24000 ppr • Power supply up to +28 VDC with several electronic interfaces available • Up to 500 kHz output frequency • Cable or connector output • Available with metal cover for heavy duty applications • Integrated elastic couplig up to 10 mm bore diameter • Encoder can be mounted on tachometric dynamo SERIES incremental encoder series EL incremental encoder series ER MODEL fixing holes 0 63,5 mm 721 fixing holes 0 65 mm 722 fixing holes 0 57 mm 723 fixing holes 0 60 mm 724 FLANGE TYPE flange type A flange type B METAL COVER * add for the metal cover M RESOLUTION ppr from 1 to 24000 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 power supply 5/28V - output RS-422 RS BORE DIAMETER mm 6 mm 8 mm 10 ENCLOSURE RATING IP 54 X (mod. EL721 / EL722) IP 66 S MAX ROTATION SPEED (IP 66) 3000 rpm 3 (IP 54) 6000 rpm 6 OUTPUT TYPE cable (standard length 1,5 m) P MIL connector M JIS-C-5432 connector J M12 connector M12 M23 connector H IP40 IEC 60130-9 connector C female connector included, without female please add 162 as variant code DIRECTION TYPE axial A 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 66

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EL - ER 72 A / B-2

OPTICAL HOLLOW SHAFT INCREMENTAL ENCODERS I EL - ER 72 A / B Dimensions with metal cover axial output Dimensions with metal cover radial output ELECTRICAL SPECIFICATIONS *output levels according to power supply, for further details please see under Technical basics section MECHANICAL SPECIFICATIONS © 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 67

 Open the catalog to page 2
EL - ER 72 A / B-3

CONNECTIONS M connector (7 pin) Amphenol MS3102-E-16-S solder side view FV M12 connector (5 pin) M12 A coded solder side view FV C connector (5 pin) IEC 60130-9 solder side view FV H connector (12 pin) - M23 CCW Hummel 7.410.000000 -7.002.912.603 solder side view FV M connector (10 pin) Amphenol MS3102-E-18-1 solder side view FV M12 connector (8 pin) M12 A coded solder side view FV C connector (8 pin) IEC 60130-9 solder side view FV © 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...

 Open the catalog to page 3

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