ENW1D-D28-W00025L datasheet, PDF

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ENW1D-D28-W00025L: DescriptionRotary Position Encoder, Single, 2 Channels, ROHS COMPLIANT, COMPACT PACKAGE-5; CategoryLED optoelectronic/LED photoelectric; File Size269KB，3 Pages; ManufacturerBourns; Websitehttp://www.bourns.com; Environmental Compliance

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ENW1D-D28-W00025L Overview

Rotary Position Encoder, Single, 2 Channels, ROHS COMPLIANT, COMPACT PACKAGE-5

ENW1D-D28-W00025L Parametric

Parameter Name	Attribute value
Is it lead-free?	Lead free
Is it Rohs certified?	conform to
Maker	Bourns
package instruction	ROHS COMPLIANT, COMPACT PACKAGE-5
Reach Compliance Code	not_compliant
Configuration	SINGLE, 2 CHANNELS
JESD-609 code	e3
Number of functions	1
Maximum operating temperature	75 °C
Minimum operating temperature	-40 °C
Optoelectronic device types	ROTARY POSITION ENCODER
Maximum supply voltage	5 V
Terminal surface	TIN

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Features

■

Two channel quadrature output

■

Bushing or servo mount

■

Square wave signal

■

Small size

■

Resolution to 256 PPR

■

CMOS and TTL compatible

■

Long life

■

Ball bearing option for high operating

speed up to 3000 rpm

■

RoHS compliant*

EN - Rotary Optical Encoder

Electrical Characteristics

Output ................................................................................... 2-bit quadrature code, Channel A leads Channel B by 90 º (electrical) with clockwise rotation

Resolution............................................................................................................................................................................... 25 to 256 cycles per revolution

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

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

Supply Voltage.........................................................................................................................................................................................5.0 VDC ±0.25 VDC

Supply Current.............................................................................................................................................................................................. 26 mA maximum

Output Voltage

Low Output .................................................................................................................................................................................................0.8 V maximum

High Output.....................................................................................................................................................................................................4 V minimum

Output Current

Rise/Fall Time ..................................................................................................................................................................................................200 ns (typical)

Shaft RPM (Ball Bearing) ....................................................................................................................................................................... 3,000 rpm maximum

Power Consumption .................................................................................................................................................................................. 136 mW maximum

Pulse Width (Electrical Degrees, Each Channel) ............................................................................................................................................180 º ±45 º typ.

Pulse Width (Index Channel) ................................................................................................................................................................................. 360 º ±90 º

Phase (Electrical Degrees, Channel A to Channel B)........................................................................................................................................90 º ±45 º typ.

Environmental Characteristics

Operating Temperature Range .......................................................................................................................................-40 ºC to +75 ºC (-40 °F to +167 °F)

Storage Temperature Range ..........................................................................................................................................-40 °C to +85 °C (-40 °F to +185 °F)

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

Vibration ............................................................................................................................................................................................................................ 5 G

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

Rotational Life

A & C Bushings (300 rpm maximum)** ............................................................................................................................................10,000,000 revolutions

W, S & T Bushings (3,000 rpm maximum)** ..................................................................................................................................200,000,000 revolutions

IP Rating ..........................................................................................................................................................................................................................IP 40

Mechanical Characteristics

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

Torque (Starting and Running)

A & C Bushings (Spring Loaded for Optimum Feel) ..............................................................................................................1 N-cm (1.5 oz-in.) maximum

W, S & T Bushings (Ball Bearing Shaft Support) ..............................................................................................................0.07 N-cm (0.1 oz-in.) maximum

Mounting Torque ...................................................................................................................................................1.7 to 2.0 N-cm (15 to 18 lb.-in.) maximum

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 or radial pc pins 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 5 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.

**For resolutions

≤

128 quadrature cycles per shaft revolution.

Quadrature Output Table

OUTPUT VOLTAGE

Channel A

Channel B

1 cycle

360

° ±

Clockwise rotation

STANDARD RESOLUTIONS AVAILABLE

(Full quadrature output cycles per shaft revolution)

25*

125

50*

128

200

100

256

For Non-Standard Resolutions—Consult Factory

* Channel B leads Channel A

*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.

Customers should verify actual device performance in their speciﬁc applications.

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