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EMS22D31-B28-MD2

ROTARY OPTICAL POSITION ENCODER
光学旋转式位置编码器

器件类别:光电子/LED   

厂商名称:Bourns

厂商官网:http://www.bourns.com

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器件参数
参数名称
属性值
功能数量
1
最小工作温度
-40 Cel
最大工作温度
125 Cel
加工封装描述
ROHS COMPLIANT PACKAGE-6
状态
Active
光电器件类型
ROTARY POSITION ENCODER
端子涂层
NOT SPECIFIED
文档预览
PL
IA
NT
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
*R
oH
S
CO
M
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 .............................................................................................................................................................................................................................. 15 G
Shock .................................................................................................................................................................................................................................. 50 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 ............................................................................................................................................................................................................................. IP 65
Mechanical Characteristics
Mechanical Angle ............................................................................................................................................................................................ 360 ° 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 ..............................................................................................................................................................................................................11 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 with each encoder, except on servo mount versions.
Pin Configuration
Output Type
Direction/Step
Pin 1
Pulse
Pin 2
Direction
Pin 3
GND
Pin 4
Index
Pin 5
VCC*
Pin 6
CS**
* Can be 5 or 3.3 VDC depending on the version.
** Active low chip select pin; if not used connect pin 6 to GND.
*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.
Customers should verify actual device performance in their specific applications.
Applications
Material handling equipment
Brushless DC motor commutation
Robotics
Automotive
Industrial automation
Petroleum refinery
Medical
Office equipment
Audio and broadcast equipment
EMS22D - Non-Contacting Direction/Step Encoder
Output Type Waveform and Variant Table
Direction/Step Output
PPR 3.3 Vcc 5.0 Vcc Index 1 Index 3
512
512
512
512
256
256
256
256
128
128
128
128
64
64
64
64
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
Index 1 = 1 LSB
Z
Index 3 = 3 LSB
LSB
CW
Direction
CCW
t Dir valid
500 ns
B
A
A
B
Microprocessor
Encoder 1
CS1
Chip Select Hardware Sample
Specifications are subject to change without notice.
Customers should verify actual device performance in their specific applications.
Consult factory for options not shown, including:
• Wire lead or cable options • Special shaft/bushing sizes and features
• Connectors
• Special performance characteristics
• Non-standard resolutions
• PCB mounting bracket
EMS22D - Non-Contacting Direction/Step Encoder
Product Dimensions
Shaft Style D (Bushing T)
15.88 ± .25
(.625 ± .010)
13.89 ± .38
(.547 ± .015)
1.57 ± 0.12
(.062 ± .005)
DIA.
21.21 ± .25
(.835 ± .010)
3.17 +.00/-.01
(.1247 +.0000/-.0003)
10.29 ± 0.12
(.405 ± .005)
DIA.
2.79
(.110)
.51 ± .03
(.020 ± .001)
6 PLCS.
9.53
(.375)
4.00
(.157)
20.88 ± .25
(.822 ± .010)
2.01
(.079)
5 PLCS.
.51 ± .03
(.020 ± .001)
6 PLCS.
Shaft Style B (Bushing S)
15.88 ± .25
(.625 ± .010)
13.89 ± .38
(.547 ± .015)
1.57 ± 0.12
(.062 ± .005)
DIA.
6.34
(0.249)
21.21 ± .25
(.835 ± .010)
10.29
(.405)
DIA.
2.79
(.110)
.51 ± .03
(.020 ± .001)
6 PLCS.
9.53
(.375)
4.00
(.157)
20.88 ± .25
(.822 ± .010)
2.01
(.079)
5 PLCS.
.51 ± .03
(.020 ± .001)
6 PLCS.
DIMENSIONS:
Shaft Style D (Bushing W)
15.88 ± .25
(.625 ± .010)
13.89 ± .38
(.547 ± .015)
1.57
(.062)
9.53
(.375)
MM
(INCHES)
DIA.
3.17 +.00/-.01
(.1247 +.0000/-.0003)
22.23
(.875)
DIA.
21.21 ± .25
(.835 ± .010)
19.05
(.75)
DIA.
2.74
(.108)
.51 ± .03
(.020 ± .001)
6 PLCS.
1.57
(.062)
1.57
(.062)
22.23 ± .25
(.875 ± .010)
2.01
(.079)
5 PLCS.
.51 ± .03
(.020 ± .001)
6 PLCS.
4.00
(.157)
Specifications are subject to change without notice.
Customers should verify actual device performance in their specific applications.
EMS22D - Non-Contacting Direction/Step Encoder
Product Dimensions
Cable Assembly
CONNECTOR
2.00 MM PITCH, 6 CIRCUITS
2 PLCS.
254.0 ± 6.35
(10.00 ± 0.25)
13.97
(0.55)
2 PLCS.
CIRCUIT #1
25.4
(1.0)
MAX.
2 PLCS.
FLAT CABLE
2.0 MM PITCH ROUND CONDUCTOR
24 AWG (7X32) STRANDED, TOP COAT
6 CIRCUITS, P.V.C. INSULATION
PIN 1 IDENTIFICATION STRIPE
CIRCUIT #1
DIMENSIONS:
MM
(INCHES)
How To Order
BOURNS EMS22 22 MM NON-CONTACTING DIRECTION/STEP ENCODER
E M S 2 2 D 5 1 - B 2 8 - L S 5
INDEX CHANNEL
Code Description
1 LSB
1
3 LSB
3
VOLTAGE
SUPPLY
Code Description
3.3 VDC
3
5 VDC
5
SHAFT LENGTH
DESIGNATOR*
Code Description
1/2 " Long
16
5/8 " Long
20
7/8 " Long
28
25 mm Long
25
(Available with
D Bushing Only)
RESOLUTION
PPR
Code
64
2
128
3
256
4
512
5
SHAFT STYLE
Code
B
C
D
R
M
Available With
Description
Bushings (Code)
1/4 " Dia., Plain End
S
1/4 " Dia., Flatted End
S
1/8 " Dia., Plain End
T, W
6 mm Dia., Slotted End
D
6 mm Dia., Flatted End
D
TERMINAL
CONFIGURATION**
Code Description
L
Axial, Multi-
Purpose Pin
Rear Ribbons
M
Cable with
Connector
Rear Ribbons
W
Cable -
No Connector
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)
Servo Mount 7/8 " D
W
(Dual Ball Bearing)
9 mm D X 7.94 mm L Threaded
D
(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. 07/12
Specifications are subject to change without notice.
Customers should verify actual device performance in their specific applications.
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