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PDF EMS22A Data sheet ( Hoja de datos )
| Número de pieza | EMS22A | |
| Descripción | Non-Contacting Absolute Encoder | |
| Fabricantes | BOURNS | |
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Features
■ 3.3 and 5 VDC voltage supply option
■ Absolute
■ Bushing or servo mount
■ Non-contacting magnetic technology
■ Small size
■ CMOS and TTL compatible
■ Resolution: 1024 positions
■ Long life
■ High operating speed
■ Highly repeatable
■ Sealed option
■ Magnetic technology
EMS22A - Non-Contacting Absolute Encoder
Electrical Characteristics
Resolution ........................................................................................................................................................................................................... 1024 positions
Insulation Resistance (500 VDC) ......................................................................................................................................................................1,000 megohms
Electrical Travel ........................................................................................................................................................................................................ Continuous
Supply Voltage ........................................................................................................................................................................5.0 VDC ±10 %, 3.3 VDC ±10 %
Supply Current .................................................................................................................................................................................................20 mA maximum
Output Voltage
Low Output Level ................................................................................................................................................................................. Vss+0.4 V maximum
High Output Level................................................................................................................................................................................... Vdd-0.5 V minimum
Output Current
With 4.5 VDC Supply Voltage .......................................................................................................................................................................4 mA maximum
With 3.0 VDC Supply Voltage .......................................................................................................................................................................2 mA maximum
Rise/Fall Time (Incremental Output) ............................................................................................................................................................... 500 ns maximum
Shaft RPM (Ball Bearing) .........................................................................................................................................................................10,000 rpm maximum
Linearity .............................................................................................................................................................................................................................0.5 %
Accuracy
Nominal ..........................................................................................................................................................................................................±0.7 ° or better
Worst Case................................................................................................................................................................................................................... ±1.4 °
Output Transition Noise................................................................................................................................................................................... 0.12 ° RMS max.
Environmental Characteristics
Operating Temperature Range........................................................................................................................................ -40 ºC to +125 ºC (-40 °F to +257 °F)
Storage Temperature Range........................................................................................................................................... -55 °C to +125 °C (-67 °F to +257 °F)
Humidity ....................................................................................................................................................................MIL-STD-202, Method 103B, Condition B
Vibration .............................................................................................................................................................................................................................1. 5 G
Shock .................................................................................................................................................................................................................................5. 0 G
Rotational Life
S Bushing (@1,000 rpm)...............................................................................................................................................................100,000,000 revolutions
T & W Bushings (@1,000 rpm with 250 g side load).......................................................................................................................50,000,000 revolutions
IP Rating..........................................................................................................................................................................................................................I.P 65
Mechanical Characteristics
Mechanical Angle.........................................................................................................................................................................................3. 60 ° Continuous
Torque
Starting..................................................................................................................................................................................43 ±21 g-cm (0.6 ±0.3 oz-in.)
Running.................................................................................................................................................................................29 ±14 g-cm (0.4 ±0.2 oz-in.)
Mounting Torque.......................................................................................................................................................................................203 N-cm (18 lb.-in.)
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 .............................................................................................................................................................................................................1. 1 gms. (0.4 oz.)
Terminals ......................................................................................................................................................................................Axial, radial 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 10 seconds
Wash processes.....................................................................................................................................................................................Not recommended
Marking.................................................................................................................................... Manufacturer’s trademark, name, part number, and date code.
Hardware....................................................................One lockwasher and one mounting nut supplied witheach encoder, except on servo mount versions.
Pin Configuration
Output Type
Absolute
Pin 1 (DI) Pin 2 (CLK)
Digital Input
Clock
* Can be 5 or 3.3 VDC depending on the version.
Pin 3
GND
Pin 4 (DO)
Digital Output
Pin 5
VCC*
Pin 6
CS
*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.
The device characteristics and parameters in this data sheet can and do vary in different applications and actual device
performance may vary over time.
Users should verify actual device performance in their specific applications.
http://www.Datasheet4U.com
1 page  
EMS22A - Non-Contacting Absolute Encoder
How To Order
BOURNS EMS22 22 MM NON-CONTACTING ABSOLUTE ENCODER
EMS22A50-B28-LS 6
SHAFT LENGTH
DESIGNATOR*
INDEX CHANNEL
Code Description
0 No Index
Code Description
16 1/2 " Long
20 5/8 " Long
28 7/8 " Long
VOLTAGE
25 25 mm Long
SUPPLY
(Available with
Code Description
D Bushing Only)
3 3.3 VDC
5 5 VDC
TERMINAL
CONFIGURATION**
SHAFT STYLE
Code Description
Available With
Code Description
Bushings (Code)
B 1/4 " Dia., Plain End
S
C 1/4 " Dia., Flatted End
S
D 1/8 " Dia., Plain End
T, W
R 6 mm Dia., Slotted End
D
M 6 mm Dia., Flatted End
D
L Axial, Multi-
Purpose Pin
M Rear Ribbons
Cable with
Connector
W Rear Ribbons
Cable -
No Connector
RESOLUTION
Code
States
6 1024
BUSHING DESIGNATOR
Code Description
S 3/8 " D X 3/8 " L Threaded
(Single Ball Bearing)
T 3/8 " D X 3/8 " L Threaded
(Dual Ball Bearing)
W Servo Mount 7/8 " D
(Dual Ball Bearing)
D 9 mm D X 7.94 mm L Threaded
(Single Ball Bearing)
OUTPUT TYPE
Code Description
A CW Absolute
B CCW Absolute
Notes
See Note 1 below
See Note 2 below
* Shaft length measured from mounting surface.
** Standard ribbon cable is 10 inches long. Consult factory for other lengths.
Note 1: (A) positions increase from 0 to 1024 with CW rotation of the shaft.
Note 2: (B) positions increase from 0 to 1024 with CCW rotation of the shaft.
REV. 12/13
Specifications are subject to change without notice.
The device characteristics and parameters in this data sheet can and do vary in different applications and actual device performance may vary over time.
Users should verify actual device performance in their specific applications.
5 Page | ||
| Páginas | Total 5 Páginas | |
| PDF Descargar | [ Datasheet EMS22A.PDF ] | |
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