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PDF EMS22D Data sheet ( Hoja de datos )
| Número de pieza | EMS22D | |
| Descripción | Non-Contacting Direction - Step Encoder | |
| Fabricantes | BOURNS | |
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Features
■ 3.3 and 5 VDC voltage supply option
■ Direction/Step output (Tachometer)
■ Bushing or servo mount
■ Non-contacting magnetic technology
■ Small size
■ CMOS and TTL compatible
■ Resolution from 64-512 PPR
■ Long life
■ High operating speed
■ Highly repeatable
■ Sealed option
■ Magnetic technology
EMS22D - Non-Contacting Direction/Step Encoder
Electrical Characteristics
Resolution ........................................................................................................................................................................................................... 64 to 512 PPR
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
Hysteresis............................................................................................................................................................................................................................ 0.7 °
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
Direction/Step
Pin 1
Pulse
Pin 2
Direction
Pin 3
GND
* Can be 5 or 3.3 VDC depending on the version.
** Active low chip select pin; if not used connect pin 6 to GND.
Pin 4
Index
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  
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How To Order
BOURNS EMS22 22 MM NON-CONTACTING DIRECTION/STEP ENCODER
EMS22D51-B28-LS5
INDEX CHANNEL
Code Description
1 1 LSB
3 3 LSB
SHAFT LENGTH
DESIGNATOR*
Code Description
16 1/2 " Long
20 5/8 " Long
28 7/8 " Long
25 25 mm Long
VOLTAGE
SUPPLY
(Available with
D Bushing Only)
Code Description
3 3.3 VDC
5 5 VDC
TERMINAL
CONFIGURATION**
Code Description
SHAFT STYLE
Available With
L Axial, Multi-
Purpose Pin
Code Description
Bushings (Code)
M Rear Ribbons
B 1/4 " Dia., Plain End
S
Cable with
C 1/4 " Dia., Flatted End
S
Connector
D 1/8 " Dia., Plain End
T, W
W Rear Ribbons
R 6 mm Dia., Slotted End
D
Cable -
M 6 mm Dia., Flatted End
D
No Connector
RESOLUTION
Code
PPR
2 64
3 128
4 256
5 512
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
D Direction/Step
* Shaft length measured from mounting surface.
** Standard ribbon cable is 10 inches long. Consult factory for other lengths.
REV. 01/14
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 EMS22D.PDF ] | |
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