ENA1J-B28-R00064L Bourns, Inc., ENA1J-B28-R00064L Datasheet

ENA1J-B28-R00064L

Manufacturer Part Number

ENA1J-B28-R00064L

Description

Encoder Optical, Incremental

Manufacturer

Bourns, Inc.

Datasheet

1.ENA1D-B20-W00128L.pdf (3 pages)

Specifications of ENA1J-B28-R00064L

Pack_quantity

Lead_time

112

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Output ........................................................................................... 2-bit gray 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

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

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

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

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

Torque (Starting and Running)

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

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

Electrical Characteristics

Environmental Characteristics

Mechanical Characteristics

Quadrature Output Table

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

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

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

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

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

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

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

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

Channel A

Channel B

(Optional)

Channel

Index

128 quadrature cycles per shaft revolution.

OUTPUT VOLTAGE

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

Features

■

EN - Rotary Optical Encoder

Two channel quadrature output

Bushing or servo mount

Square wave signal

Index channel available

Small size

Resolution to 256 PPR

Clockwise rotation

Customers should verify actual device performance in their speciﬁ c applications

STANDARD RESOLUTIONS AVAILABLE

(Full quadrature output cycles per shaft revolution)

For Non-Standard Resolutions—Consult Factory

* Channel B leads Channel A

100

25*

50*

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

■

CMOS and TTL compatible

Long life

Ball bearing option for high operating speed

up to 3000 rpm

125

128

200

256

Speciﬁ cations are subject to change without notice.

370 °C (700 °F) max. for 3 seconds

260 °C (500 °F) max. for 5 seconds

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