EMS22A50-C16-LS6 [BOURNS]
Non-Contacting Absolute Encoder; 非接触式绝对编码器
| 型号： | EMS22A50-C16-LS6 |
| 厂家： | 
BOURNS ELECTRONIC SOLUTIONS |
| 描述： | Non-Contacting Absolute Encoder |
| 文件： | 总5页 (文件大小：391K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
Features
■ 3.3 and 5 VDC voltage supply option
■ Absolute
■ Resolution: 1024 positions
■ Long life
■ High operating speed
■ Highly repeatable
■ Sealed option
■ Bushing or servo mount
■ Non-contacting magnetic technology
■ Small size
■ Magnetic technology
■ CMOS and TTL compatible
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 ꢀ, ꢁ.ꢁ 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 ꢁ.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.ꢂ ꢃ or ꢄetter
Worst Case................................................................................................................................................................................................................... 1.4 ꢃ
Output Transition Noise................................................................................................................................................................................... 0.12 ꢃ RMS max.
Environmental Characteristics
Operating Temperature Range........................................................................................................................................ -40 ºC to +125 ºC (-40 ꢃF to +25ꢂ ꢃF)
Storage Temperature Range...........................................................................................................................................-55 ꢃC to +125 ꢃC (-6ꢂ ꢃF to +25ꢂ ꢃF)
Humidity ....................................................................................................................................................................MIL-STD-202, Method 10ꢁB, Condition B
Viꢄration ..............................................................................................................................................................................................................................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............................................................................................................................................................................................ꢁ60 ꢃ Continuous
Torque
Starting.................................................................................................................................................................................... 4ꢁ 21 g-cm (0.6 0.ꢁ oꢅ-in.)
Running................................................................................................................................................................................... 29 14 g-cm (0.4 0.2 oꢅ-in.)
Mounting Torque.........................................................................................................................................................................................20ꢁ N-cm (18 lꢄ.-in.)
Shaft End Play......................................................................................................................................................................0.ꢁ0 mm (0.012 ”) T.I.R. maximum
Shaft Radial Play..................................................................................................................................................................0.12 mm (0.005 ”) T.I.R. maximum
Weight ..............................................................................................................................................................................................................11 gms. (0.4 oꢅ.)
Terminals......................................................................................................................................................................................... Axial, radial or riꢄꢄon caꢄle
Soldering Condition
Manual Soldering .................................................................................................................... 96.5Sn/ꢁ.0Ag/0.5Cu solid wire or no-clean rosin cored wire
ꢁꢂ0 ꢃC (ꢂ00 ꢃF) max. for ꢁ seconds
Wave Soldering............................................................................................................................................. 96.5Sn/ꢁ.0Ag/0.5Cu solder with no-clean flux
260 ꢃC (500 ꢃF) max. for 10 seconds
Wash processes.......................................................................................................................................................................................Not recommended
Marking....................................................................................................................................Manufacturer’s trademark, name, part numꢄer, and date code.
Hardware....................................................................One lockwasher and one mounting nut supplied with each encoder, except on servo mount versions.
Pin Configuration
Output Type
Pin 1
Pin 2
Pin 3
Pin 4
Pin 5
Pin 6
Aꢄsolute
Digital Input
Clock
GND
Digital Output
VCC*
CS**
* Can ꢄe 5 or ꢁ.ꢁ 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
■ Medical
■ Office equipment
■ Audio and broadcast equipment
■ Material handling equipment
■ Brushless DC motor commutation
■ Robotics
■ Automotive
■ Industrial automation
■ Petroleum refinery
EMS22A - Non-Contacting Absolute Encoder
Output Type Waveform and Variant Table
Absolute Output
CSn
t CSn 500 ns min.
t CLKFE
500 ns
T CLK/2 500 ns
0
7
15
0
CLK
D0
D9 D8 D7 D6 D5 D4 D3 D2 D1 D0 S1 S2 S3 S4 S5 P1
D9
t D0 Tristate
100 ns min.
t D0 active
100 ns
t D0 valid 375 ns
Angular Position Data
Status Bits
Parity Bit
Data Content
Description
Absolute angular position data
D9:D0
S1
End of offset compensation algorithm
S2
Cordic overflow indicating an error in cordic part
Linearity alarm
S3
S4
Increase in magnitude
S5
Decrease in magnitude
P1
Even parity for detecting bits 1-15 transmission error
μC
EMS22
EMS22
EMS22
1st Device
2nd Device
Last Device
Data IN
DO
PROG
DO
PROG
DO
PROG
CSn CLK
CSn CLK
CSn CLK
CLK
CSn
Daisy Chain Hardware Configuration
CSn
CLK
DO
t
T
CLK FE CLK/2
1
8
16
D
1
2
3
Mag Mag Even
INC DEC PAR
OCF COF LIN
D9 D8 D7 D6 D5 D4 D3 D2 D1 D0
D9 D8 D7
t
t
DO active
DO valid
Angular Position Data
Status Bits
Angular Position Data
2nd Device
1st Device
Daisy Chain Mode Data Transfer
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
Connectors
•
•
•
Special shaft/bushing sizes and features
Special performance characteristics
PCB mounting bracket
Non-standard resolutions
EMS22A - Non-Contacting Absolute Encoder
Product Dimensions
Shaft Style D (Bushing T)
ꢀ3.89 .38
(.547 .0ꢀ5)
7.94 .0ꢀ2
(.3ꢀ3 .005)
ꢀ5.88 .25
(.625 .0ꢀ0)
ꢀ.57 0.ꢀ2
(.062 .005)
ꢀ0.29 0.ꢀ2
(.405 .005)
DIA.
3.ꢀ7 +.00/-.0ꢀ
(.ꢀ247 +.0000/-.0003)
DIA.
2ꢀ.2ꢀ .25
(.835 .0ꢀ0)
.5ꢀ .03
2.79
(.ꢀꢀ0)
(.020 .00ꢀ)
6 PLCS.
AR LUG
ꢀ.ꢀ8 .0ꢀ2
(.047 .005)
0.66 .0ꢀ2
(.026 .005)
HIGH (FMS)
R
X
9.53
(.375)
20.88 .25
(.822 .0ꢀ0)
4.00
(.ꢀ57)
2.0ꢀ
.5ꢀ .03
7.95 .0ꢀ2
(.3ꢀ3 .005)
(.079)
(.020 .00ꢀ)
5 PLCS.
6 PLCS.
ꢀ0.67 0.ꢀ2
(.420 .005)
DIA.
3.ꢀ8 0.ꢀ2
(.ꢀ25 .005)
DIA.
PANEL LAYOUT
Shaft Style B (Bushing S)
ꢀ3.89 .38
(.547 .0ꢀ5)
ꢀ5.88 .25
(.625 .0ꢀ0)
7.94 .0ꢀ2
(.3ꢀ3 .005)
ꢀ.57 0.ꢀ2
(.062 .005)
6.34
(0.249)
DIA.
ꢀ0.29
2ꢀ.2ꢀ .25
(.835 .0ꢀ0)
(.405)
DIA.
.5ꢀ .03
(.020 .00ꢀ)
6 PLCS.
2.79
(.ꢀꢀ0)
AR LUG
ꢀ.ꢀ8 .0ꢀ2
(.047 .005)
0.66 .0ꢀ2
(.026 .005)
HIGH (FMS)
R
X
9.53
(.375)
20.88 .25
(.822 .0ꢀ0)
4.00
(.ꢀ57)
7.95 .0ꢀ2
(.3ꢀ3 .005)
2.0ꢀ
.5ꢀ .03
(.079)
(.020 .00ꢀ)
MM
(INCHES)
DIMENSIONS:
5 PLCS.
6 PLCS.
ꢀ0.67 0.ꢀ2
(.420 .005)
DIA.
3.ꢀ8 0.ꢀ2
(.ꢀ25 .005)
DIA.
PANEL LAYOUT
Specifications are subject to change without notice.
Customers should verify actual device performance in their specific applications.
EMS22A - Non-Contacting Absolute Encoder
Product Dimensions
Shaft Style D (Bushing W)
9.53
(.375)
03.89 .38
(.547 .ꢀ05)
0.57
(.ꢀ62)
05.88 .25
(.625 .ꢀ0ꢀ)
3.07 +.ꢀꢀ/-.ꢀ0
(.0247 +.ꢀꢀꢀꢀ/-.ꢀꢀꢀ3)
DIA.
22.23
(.875)
DIA.
20.20 .25
(.835 .ꢀ0ꢀ)
09.ꢀ5
(.75)
2.74
(.0ꢀ8)
DIA.
.50 .ꢀ3
(.ꢀ2ꢀ .ꢀꢀ0)
6 PLCS.
0.57
(.ꢀ62)
4.ꢀꢀ
(.057)
2.ꢀ0
.50 .ꢀ3
0.57
(.ꢀ62)
(.ꢀ79)
(.ꢀ2ꢀ .ꢀꢀ0)
5 PLCS.
6 PLCS.
22.23 .25
(.875 .ꢀ0ꢀ)
Cable Assembly
CONNECTOR
2.00 MM PITCH, ꢀ CIRCUITS
2 PLCS.
254.0 ꢀ.ꢁ5
(10.00 0.25)
1ꢁ.97
(0.55)
2 PLCS.
CIRCUIT #1
25.4
CIRCUIT #1
PIN 1 IDENTIFICATION STRIPE
FLAT CABLE
(1.0)
2.0 MM PITCH ROUND CONDUCTOR
24 AWG (7Xꢁ2) STRANDED, TOP COAT
ꢀ CIRCUITS, P.V.C. INSULATION
MAX.
2 PLCS.
MM
DIMENSIONS:
(INCHES)
Specifications are subject to change without notice.
Customers should verify actual device performance in their specific applications.
EMS22A - Non-Contacting Absolute Encoder
How To Order
BOURNS EMS22 22 MM NON-CONTACTING ABSOLUTE ENCODER
E M S 2 2 A 5 0 - B 2 8 - L S 6
SHAFT LENGTH
DESIGNATOR*
Code Description
RESOLUTION
Code
States
1024
INDEX CHANNEL
Code Description
6
16
20
28
25
1/2 " Long
5/8 " Long
7/8 " Long
25 mm Long
(Available with
D Bushing Only)
0
No Index
BUSHING DESIGNATOR
Code Description
VOLTAGE
SUPPLY
Code Description
S
3/8 " D X 3/8 " L Threaded
(Single Ball Bearing)
3/8 " D X 3/8 " L Threaded
(Dual Ball Bearing)
Servo Mount 7/8 " D
(Dual Ball Bearing)
T
3
5
3.3 VDC
5 VDC
TERMINAL
CONFIGURATION**
Code Description
W
D
SHAFT STYLE
Code Description
9 mm D X 7.94 mm L Threaded
(Single Ball Bearing)
L
Axial, Multi-
Purpose Pin
Rear Ribbons
Cable with
Connector
Rear Ribbons
Cable -
Available With
Bushings (Code)
M
B
C
D
R
1/4 " Dia., Plain End
1/4 " Dia., Flatted End
1/8 " Dia., Plain End
6 mm Dia., Slotted End
6 mm Dia., Flatted End
S
S
T, W
D
W
M
D
No Connector
* Shaft length measured from mounting surface.
** Standard ribbon cable is 10 inches long. Consult factory for other lengths.
OUTPUT TYPE
Code Description
Notes
A
B
CW Absolute
CCW Absolute See Note 2 below
See Note 1 below
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. 07/12
Specifications are subject to change without notice.
Customers should verify actual device performance in their specific applications
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