ENT2P-D28-N00256L datasheet, PDF

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ENT2P-D28-N00256L: DescriptionRotary Position Encoder, Single, 2 Channels, ROHS COMPLIANT PACKAGE; CategoryLED optoelectronic/LED photoelectric; File Size298KB，3 Pages; ManufacturerBourns; Websitehttp://www.bourns.com; Environmental Compliance

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ENT2P-D28-N00256L Overview

Rotary Position Encoder, Single, 2 Channels, ROHS COMPLIANT PACKAGE

ENT2P-D28-N00256L Parametric

Parameter Name	Attribute value
Is it Rohs certified?	conform to
Maker	Bourns
package instruction	ROHS COMPLIANT PACKAGE
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
Terminal surface	Tin (Sn)
Base Number Matches	1

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VE S CO

AV R M

AI SIO PL

LA N IA

BL S NT

Features

■

Two channel quadrature output

■

Bushing or servo mount

■

Square wave signal

■

Index channel available

■

Small size

■

Resolution to 256 PPR

Non-RoHS models are currently

available, but not recommended

for new designs. See

Product

Obsolescence Memo

for details.

Index channel versions are currently available,

but not recommended for new designs. See

Product Obsolescence Memo

for details.

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.

Index Channel Centered on 1-1 State Combination of A and B Channels ................................................................................................................ 0 º ±45 º

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

Index

Channel

(Optional)

4.0 V (Min)

0.8 V (Max)

4.0 V (Min)

0.8 V (Max)

4.0 V (Min)

0.8 V (Max)

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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