EMS22A - Non-Contacting Absolute Encoder

Size: px

Start display at page:

Download "EMS22A - Non-Contacting Absolute Encoder"

Charlotte Phelps
5 years ago
Views:

repeatable Sealed option Magnetic technology EMS22A - Non-Contacting Absolute Encoder Electrical Characteristics Resolution... 1024 positions Insulation Resistance (500 VC).

1 *RoHS COMPLIANT Features 3.3 and 5 VC 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 positions Insulation Resistance (500 VC)...1,000 megohms Electrical Travel... Continuous Supply Voltage VC ±10 %, 3.3 VC ±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 VC Supply Voltage...4 ma maximum With 3.0 VC Supply Voltage...2 ma maximum Rise/Fall Time (Incremental Output) ns maximum Shaft RPM (Ball Bearing)...10,000 rpm maximum Linearity % Accuracy Nominal...±0.7 or better Worst Case... ±1.4 Output Transition Noise RMS max. Environmental Characteristics Operating Temperature Range ºC to +125 ºC (-40 F to +257 F) Storage Temperature Range C to +125 C (-67 F to +257 F) Humidity...MIL-ST-202, Method 103B, Condition B Vibration...15 G Shock...50 G Rotational Life S Bushing (@1,000 rpm) ,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 Continuous Torque Starting ±21 g-cm (0.6 ±0.3 oz-in.) Running ±14 g-cm (0.4 ±0.2 oz-in.) Mounting Torque N-cm (18 lb.-in.) Shaft End Play mm (0.012 ) T.I.R. maximum Shaft Radial Play mm (0.005 ) T.I.R. maximum Weight...11 gms. (0.4 oz.) Terminals... Axial, radial or ribbon cable Soldering Condition Manual Soldering Sn/3.0Ag/0.5Cu solid wire or no-clean rosin cored wire 370 C (700 F) max. for 3 seconds Wave Soldering Sn/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 Pin 1 (I) Pin 2 () Pin 3 Pin 4 (O) Pin 5 Pin 6 Absolute igital Input Clock GN igital Output VCC* CS * Can be 5 or 3.3 VC depending on the version. WARNING Cancer and Reproductive Harm - * RoHS irective 2002/95/EC Jan. 27, 2003 including annex and RoHS Recast 2011/65/EU June 8, Users should verify actual device performance in their specific applications. The products described herein and this document are subject to specific legal disclaimers as set forth on the last page of this document, and at

2 Applications Material handling equipment Brushless C motor commutation Robotics Industrial automation Petroleum refinery Medical Office equipment Audio and broadcast equipment EMS22A - Non-Contacting Absolute Encoder Output Type Waveform and Variant Table Absolute Output t 500 ns min. t FE 500 ns 0 T /2 500 ns S1 S2 S3 S4 S5 P1 9 t 0 active 100 ns t 0 valid 375 ns Angular Position ata Status Bits t 0 Tristate 100 ns min. Parity Bit ata Content 9:0 S1 S2 S3 S4 S5 P1 Absolute angular position data End of offset compensation algorithm Cordic overfl ow indicating an error in cordic part Linearity alarm Increase in magnitude ecrease in magnitude Even parity for detecting bits 1-15 transmission error μc EMS22 1st evice EMS22 2nd evice EMS22 Last evice ata IN O I O I O I aisy Chain Hardware Configuration t FE T / O Mag Mag Even OCF COF LIN INC EC PAR t O active t O valid Angular Position ata 1st evice Status Bits Angular Position ata 2nd evice aisy Chain Mode ata Transfer

3 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 EMS22A - Non-Contacting Absolute Encoder Product imensions Shaft Style (Bushing T) ±.25 (.625 ±.010) ±.38 (.547 ±.015) 1.57 ± 0.12 (.062 ±.005) 3/8-32 UNEF-2A TH ± 0.12 (.405 ±.005) 7.94 ± /-.01 ( /-.0003) ±.25 (.835 ±.010) 2.79 (.110) 2.01 (.079) 5 PLCS (.157) 9.53 (.375) ±.78 (.875 ±.031) AR LUG 1.18 ±.0.12 R (.047 ±.005) 0.66 ± 0.12 X (.026 ±.005) HIGH (FMS) 7.95 ± ± 0.12 (.420 ±.005) 3.18 ± 0.12 (.125 ±.005) PANEL LAYOUT Shaft Style B (Bushing S) ±.25 (.625 ±.010) ±.38 (.547 ±.015) 1.57 ± 0.12 (.062 ±.005) 3/8-32 UNEF-2A TH 6.34 (0.249) 7.94 ± ±.25 (.835 ±.010) 2.79 (.110) 2.01 (.079) 5 PLCS (.157) IMENSIONS: 9.53 (.375) ±.78 (.875 ±.031) MM (INCHES) (.405) AR LUG 1.18 ± 0.12 R (.047 ±.005) 0.66 ± 0.12 X (.026 ±.005) HIGH (FMS) 7.95 ± ± 0.12 (.420 ±.005) 3.18 ± 0.12 (.125 ±.005) PANEL LAYOUT

4 EMS22A - Non-Contacting Absolute Encoder Product imensions Shaft Style (Bushing W) ±.25 (.625 ±.010) ±.38 (.547 ±.015) 9.53 (.375) 1.57 (.062) /-.01 ( /-.0003) (.875) ±.25 (.835 ±.010) 2.74 (.108) (.75) 2.01 (.079) 5 PLCS (.157) 1.57 (.062) 1.57 (.062) ±.78 (.875 ±.031) Cable Assembly CONNECTOR 2.00 MM PITCH, 6 CIRCUITS 2 PLCS ± 6.35 (10.00 ± 0.25) (0.55) 2 PLCS. CIRCUIT # (1.0) MAX. 2 PLCS. FLAT CABLE 2.0 MM PITCH ROUN CONUCTOR 24 AWG (7X32) STRANE, TOP COAT 6 CIRCUITS, P.V.C. INSULATION PIN 1 IENTIFICATION STRIPE CIRCUIT #1 IMENSIONS: MM (INCHES)

5 EMS22A - Non-Contacting Absolute Encoder How To Order BOURNS EMS22 22 MM NON-CONTACTING ABSOLUTE ENCOER E M S 2 2 A B L S INEX CHANNEL 0 No Index VOLTAGE SUPPLY 3.3 VC 5 VC B C R M SHAFT STYLE 1/4 " ia., Plain End 1/4 " ia., Flatted End 1/8 " ia., Plain End 6 mm ia., Slotted End 6 mm ia., Flatted End SHAFT LENGTH ESIGNATOR* Available With Bushings () S S T, W 1/2 " Long 5/8 " Long 7/8 " Long 25 mm Long (Available with Bushing Only) TERMINAL CONFIGURATION** L Axial, Multi- Purpose Pin M Rear Ribbons Cable with Connector W Rear Ribbons Cable - No Connector S T W 6 RESOLUTION States 1024 BUSHING ESIGNATOR 3/8 " X 3/8 " L Threaded (Single Ball Bearing) 3/8 " X 3/8 " L Threaded (ual Ball Bearing) Servo Mount 7/8 " (ual Ball Bearing) 9 mm X 7.94 mm L Threaded (Single Ball Bearing) A B OUTPUT TYPE CW Absolute 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. 11/18

6 Legal isclaimer Notice This legal disclaimer applies to purchasers and users of Bourns products manufactured by or on behalf of Bourns, Inc. and Unless otherwise expressly indicated in writing, Bourns products and data sheets relating thereto are subject to change and complete before placing orders for Bourns products. The characteristics and parameters of a Bourns product set forth in its data sheet are based on laboratory conditions, and statements regarding the suitability of products for certain types of applications are based on Bourns knowledge of typical requirements in generic applications. The characteristics and parameters of a Bourns product with other components the actual performance of the Bourns product as meeting the requirements of a particular industry of Bourns products are responsible for ensuring compliance with safety-related requirements and standards applicable to Bourns on a case-by-case basis, use of any Bourns Bourns standard products that are suitable for use in aircraft standard the user s sole risk. custom products shall be negotiated on a case-by-case basis by Bourns and the user for which such Bourns standard products shall also apply to such Bourns custom products. Users shall not sell, transfer, export or re-export any Bourns Bourns products and Bourns technology and technical data may not under any circumstance be exported or re-exported to countries subject to international sanctions or embargoes. Bourns products may not, without bilingual versions are available at: Web Page: PF:

EMS22P - Non-Contacting PWM Encoder

EMS22P - Non-Contacting PWM Encoder *ohs COMPLIANT Features 3.3 and 5 VC voltage supply option PWM Absolute Position Bushing or servo mount Non-contacting magnetic technology Small size CMOS and TTL compatible esolution: 1024 states Long