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参数资料
| 型号： | EAL0D-B24-KE0128L |
| 厂商： | BOURNS INC |
| 元件分类： | 编、解码器及复用、解复用 |
| 英文描述： | ROTARY OPTICAL POSITION ENCODER |
| 封装： | ROHS COMPLIANT PACKAGE-10 |
| 文件页数： | 1/5页 |
| 文件大小： | 321K |
| 代理商： | EAL0D-B24-KE0128L |
*RoHS Directive 2002/95/EC Jan 27 2003 including Annex
Specifications are subject to change without notice.
Customers should verify actual device performance in their specific applications.
EAW - Absolute Contacting Encoder (ACE
)
Features
■
*RoHS compliant
■
Absolute encoder / gray code output
■
Digital output
■
Sturdy construction
■
Bushing mount
■
Available with PC board mounting bracket (optional)
Recommended Control Diagram for ACE-128
P8
1
P
RESNET
4609X-
101-472
“common” is either
on a decoded
“select” pin
(active low)
or at GND.
ACETAB:
256 byte
code
conversion
table (ROM)
P7
P6
P5
P4
P3
P2
P1
2
C
3
4
8
7
C
6
5
Electrical Characteristics
Output ........................................................................................................................................................................8-bit gray code with 128 absolute states
Closed Circuit Resistance ..............................................................................................................................................................................5 ohms maximum
Open Circuit Resistance ..........................................................................................................................................................................100 K ohms minimum
Contact Rating ....................................................................................................................................................10 milliamp @ 10 VDC or 0.1 watt maximum
Insulation Resistance (500 VDC) ......................................................................................................................................................1,000 megohms minimum
Dielectric Withstanding Voltage (MIL-STD-202 Method 301)
Sea Level ................................................................................................................................................................................................1,000 VAC minimum
Electrical Travel ........................................................................................................................................................................................................Continuous
Contact Bounce (60 RPM) ..............................................................................................................................................................2.7 milliseconds maximum*
RPM (Operating) ..................................................................................................................................................................................................120 maximum
Environmental Characteristics
Operating Temperature Range ..........................................................................................................................................-40 C to +85 C (-40 °F to +185 °F)
Storage Temperature Range ............................................................................................................................................-40 C to +85 C (-40 °F to +185 °F)
Humidity....................................................................................................................................................................MIL-STD-202, Method 103B, Condition B
Vibration ..............................................................................................................................................................................................................................15 G
Contact Bounce ............................................................................................................................................................................0.1 millisecond maximum
Shock ..................................................................................................................................................................................................................................50 G
Contact Bounce ............................................................................................................................................................................0.1 millisecond maximum
Rotational Life ......................................................................................................................................................................50,000 shaft revolutions minimum
IP Rating ..............................................................................................................................................................................................................................IP 40
Mechanical Characteristics
Mechanical Angle ............................................................................................................................................................................................360 ° Continuous
Running Torque..................................................................................................................................................................0.5 to 1.5 N-cm (0.75 to 2.50 oz-in.)
Mounting Torque............................................................................................................................................................................79 N-cm (7 lb.-in.) maximum
Shaft Side Load (Static) ......................................................................................................................................................................4.5 kg (10 lbs.) minimum
Weight ....................................................................................................................................................................................Approximately 14 gms. (0.50 oz.)
Terminals ....................................................................................................................................................................................Printed circuit board terminals
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 name and trademark, part number, and date code.
Hardware ..................................................One lockwasher and one mounting nut are shipped with each encoder, except where noted in the part number.
Packaging ................................................................................................................................................................................................................45 pcs./tray
*High probability of missing gray codes with maximum bounce.
General Information
Until now, the choice of an absolute
encoder meant an expensive, and larger-
sized product. Through the use of
combinatorial mathematics, the gray-code
pattern of the Bourns Absolute Contacting
Encoder ACE is placed on a single track
for a very economical, energy-efficient and
compact product. Bourns’ ACE provides
an absolute digital output that will also
retain its last position in the event of a
power failure.
An intelligent alternative to incremental
encoders and potentiometers, the Bourns
ACE is ideally suited for many industrial,
automotive, medical and consumer product
applications.
*RoHS
COMPLIANT
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