ENS1D-B28-L00100L Bourns Inc., ENS1D-B28-L00100L Datasheet

ENCODER - ROTARY OPTICAL

ENS1D-B28-L00100L

Manufacturer Part Number
ENS1D-B28-L00100L
Description
ENCODER - ROTARY OPTICAL
Manufacturer
Bourns Inc.
Datasheet

Specifications of ENS1D-B28-L00100L

Pulses Per Revolution
100 PPR
Mounting Style
Panel, PCB, Through Hole
Termination Style
Axial, Multi-Purpose Pin
Output
2 bit Gray Code
Shaft Type
1/4 in Diameter Plain
With Switch
Without
Supply Voltage
5 V
Operating Temperature Range
- 40 C to + 75 C
Product
Optical
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
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
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 ≤ 128 quadrature cycles per shaft revolution.
Electrical Characteristics
Environmental Characteristics
Mechanical Characteristics
Quadrature Output Table
Low Output .................................................................................................................................................................................................0.8 V maximum
High Output ....................................................................................................................................................................................................4 V minimum
Low Output ................................................................................................................................................................................................25 mA 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
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 ° ± 90 °
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
1
0
1
0
1
0
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*
64
*RoHS Directive 2002/95/EC Jan 27, 2003 including Annex.
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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ENS1D-B28-L00100L Summary of contents

Page 1

Electrical Characteristics Output .................................................................................2-bit quadrature code, Channel A leads Channel 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 ...

Page 2

Additional Features ■ CMOS and TTL compatible ■ Long life ■ Ball bearing option for high operating speed up to 3000 rpm EN - Rotary Optical Encoder Dimensional Drawings Optional 18.5 Radial Leads 2.54 (.73) TYP. .635 (.100) SQ. (.025) ...

Page 3

GENERAL INFORMATION ® The Bourns EN model is a self-contained rotary optical encoder. It produces a 2-bit quadrature signal which is suitable for digital systems where both magnitude and direction of adjustment must be provided. The EN encoder is ideal ...

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