EMS22Q51-R28-WD3 datasheet, PDF

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EMS22Q51-R28-WD3: DescriptionROTARY OPTICAL POSITION ENCODER; CategoryLED optoelectronic/LED; File Size355KB，5 Pages; ManufacturerBourns; Websitehttp://www.bourns.com

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EMS22Q51-R28-WD3 Overview

ROTARY OPTICAL POSITION ENCODER

EMS22Q51-R28-WD3 Parametric

Parameter Name	Attribute value
Maximum operating temperature	125 Cel
Minimum operating temperature	-40 Cel
Number of functions	1
Processing package description	ROHS COMPLIANT PACKAGE-6
state	ACTIVE
terminal coating	NOT SPECIFIED
Optoelectronic device type	ROTARY

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Features

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3.3 and 5 VDC voltage supply option

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Quadrature output

■

Bushing or servo mount

■

Non-contacting magnetic technology

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Small size

■

CMOS and TTL compatible

■

Resolution from 32-256 PPR

■

Long life

■

High operating speed

■

Highly repeatable

■

Sealed option

■

Magnetic technology

EMS22Q - Non-Contacting Incremental Encoder

Electrical Characteristics

Resolution ........................................................................................................................................................................................................... 32 to 256 PPR

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

Hysteresis............................................................................................................................................................................................................................ 0.7 °

Accuracy

Nominal ..........................................................................................................................................................................................................±0.7 ° 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

Pin 1

Pin 2

Pin 3

GND

Pin 4

Index

Pin 5

VCC*

Pin 6

CS**

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

** Active low chip select pin; if not used connect pin 6 to GND.

*RoHS Directive 2002/95/EC Jan. 27, 2003 including annex and RoHS Recast 2011/65/EU June 8, 2011.

Speciﬁcations are subject to change without notice.

The device characteristics and parameters in this data sheet can and do vary in different applications and actual device

performance may vary over time.

Users should verify actual device performance in their speciﬁc applications.

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