EMS22S51-B20-LD5 datasheet, PDF

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EMS22S51-B20-LD5: DescriptionRotary/Linear Position Encoder, Single, 3 Channels, ROHS COMPLIANT PACKAGE; CategoryLED optoelectronic/LED photoelectric; File Size339KB，5 Pages; ManufacturerBourns; Websitehttp://www.bourns.com; Environmental Compliance

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EMS22S51-B20-LD5 Overview

Rotary/Linear Position Encoder, Single, 3 Channels, ROHS COMPLIANT PACKAGE

EMS22S51-B20-LD5 Parametric

Parameter Name	Attribute value
Is it lead-free?	Lead free
Is it Rohs certified?	conform to
Maker	Bourns
package instruction	ROHS COMPLIANT PACKAGE
Reach Compliance Code	compliant
Configuration	SINGLE, 3 CHANNELS
JESD-609 code	e3
Number of functions	1
Maximum operating temperature	125 °C
Minimum operating temperature	-40 °C
Optoelectronic device types	ROTARY/LINEAR POSITION ENCODER
Terminal surface	Tin (Sn)

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Features

■

3.3 and 5 VDC voltage supply option

■

Quadrature, absolute, PWM and direction/

■

Resolution from 32-512 PPR and 1024

■

step output options

Bushing or servo mount

Non-contacting magnetic technology

Small size

CMOS and TTL compatible

states

Long life

High operating speed

Highly repeatable

Sealed option

EMS22 - Non-Contacting Rotary Magnetic Encoder

Electrical Characteristics

Resolution ................................................................................................................................................................................ 32 to 512 PPR and 1024 states

Insulation Resistance (500 VDC) ...................................................................................................................................................................... 1,000 megohms

Electrical Travel ........................................................................................................................................................................................................ Continuous

Supply Voltage ....................................................................................................................................................................... 5.0 VDC ±10 %, 3.3 VDC ±10 %

Supply Current ................................................................................................................................................................................................ 20 mA maximum

Output Voltage

Low Output Level ................................................................................................................................................................................. Vss+0.4 V maximum

High Output Level ..................................................................................................................................................................................Vdd-0.5 V minimum

Output Current

With 4.5 VDC Supply Voltage ...................................................................................................................................................................... 4 mA maximum

With 3.0 VDC Supply Voltage ...................................................................................................................................................................... 2 mA maximum

Rise/Fall Time (Incremental Output) ................................................................................................................................................................500 ns maximum

Shaft RPM (Ball Bearing)......................................................................................................................................................................... 10,000 rpm maximum

Linearity ........................................................................................................................................................................................................................... 0.35 %

Accuracy

Nominal ......................................................................................................................................................................................................... ±0.5 ° or better

Worst Case ................................................................................................................................................................................................................... ±1.4 °

Output Transition Noise .................................................................................................................................................................................. 0.12 ° RMS max.

Environmental Characteristics

Operating Temperature Range ........................................................................................................................................ -40 ºC to +125 ºC (-40 °F to +257 °F)

Storage Temperature Range ...........................................................................................................................................-55 °C to +125 °C (-67 °F to +257 °F)

Humidity .................................................................................................................................................................. MIL-STD-202, Method 103B, Condition B

Vibration ..............................................................................................................................................................................................................................15 G

Shock ..................................................................................................................................................................................................................................50 G

Rotational Life

S Bushing (@1,000 rpm)..................................................................................................................................................................100,000,000 revolutions

T & W Bushings (@1,000 rpm with 250 g side load) .........................................................................................................................50,000,000 revolutions

IP Rating ............................................................................................................................................................................................................................. IP 65

Mechanical Characteristics

Mechanical Angle ............................................................................................................................................................................................360 ° Continuous

Torque

Starting ....................................................................................................................................................................................43 ±21 g-cm (0.6 ±0.3 oz-in.)

Running ...................................................................................................................................................................................29 ±14 g-cm (0.4 ±0.2 oz-in.)

Mounting Torque ........................................................................................................................................................................................203 N-cm (18 lb.-in.)

Shaft End Play ......................................................................................................................................................................0.30 mm (0.012 ”) T.I.R. maximum

Shaft Radial Play ..................................................................................................................................................................0.12 mm (0.005 ”) T.I.R. maximum

Weight .............................................................................................................................................................................................................. 11 gms. (0.4 oz.)

Terminals .........................................................................................................................................................................................Axial, radial or ribbon cable

Soldering Condition

Manual Soldering ................................................................................................................... 96.5Sn/3.0Ag/0.5Cu solid wire or no-clean rosin cored wire

370 °C (700 °F) max. for 3 seconds

Wave Soldering ............................................................................................................................................ 96.5Sn/3.0Ag/0.5Cu solder with no-clean ﬂux

260 °C (500 °F) max. for 10 seconds

Wash processes ...................................................................................................................................................................................... Not recommended

Marking .................................................................................................................................. Manufacturer’s trademark, name, part number, and date code.

Hardware ..................................................................One lockwasher and one mounting nut supplied with each encoder, except on servo mount versions.

Pin Conﬁguration

Output Type

A/B Quadrature

Direction/Step

PWM

Absolute

Pin 1

Pulse

PWM Signal

Digital Input

Pin 2

Direction

GND

Clock

Pin 3

GND

Pin 4

Index

GND

Digital Output

Pin 5

VCC*

Pin 6

CS**

* Can be 5 or 3.3 VDC depending on the version.

** Active low chip select pin.

*RoHS Directive 2002/95/EC Jan 27 2003 including Annex.

Speciﬁcations are subject to change without notice.

Customers should verify actual device performance in their speciﬁc applications

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