Features n Resolution: 1024 positions n 3.3 and 5 VDC voltage supply option n Long life n Absolute n High operating speed n Bushing or servo mount n Highly repeatable n Non-contacting magnetic technology n Sealed option n Small size n Magnetic technology n 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 %, 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 C to +125 C (-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 ....................................................................................................................................Manufacturers 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 (1) Output Type Pin 1 (DI) Pin 2 (CLK) Pin 3 Pin 4 (DO) Pin 5 Pin 6 (2) Absolute Digital Input Clock GND Digital Output VCC CS (1) Pin 1 (DI) should be grounded when in a single sensor configuration. (2) Can be 5 or 3.3 VDC depending on the version. WARNING Cancer and Reproductive Harm - www.P65Warnings.ca.gov *RoHS Directive 2015/863, Mar 31, 2015 and Annex. Specifications are subject to change without notice. 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 www.bourns.com/docs/legal/disclaimer.pdf.Applications n Medical (low/medium risk)* n Material handling equipment n Office equipment n Brushless DC motor commutation n Audio and broadcast equipment n Robotics n Automotive n Industrial automation n Petroleum refinery EMS22A - Non-Contacting Absolute Encoder Output Type Waveform and Variant Table Absolute Output Absolute Output CSn t CSn 500 ns min. t CLKFE T CLK/2 500 ns 500 ns 07 15 0 Absolute Output CLK CSn t CSn 500 ns min. D0 D9 D8 D7 D6 D5 D4 D3 D2 D1 D0 S1 S2 S3 S4 S5 P1 D9 t CLKFE T CLK/2 500 ns 500 ns 07 15 0 CLK t D0 Tristate 100 ns min. t D0 active t D0 valid 375 ns 100 ns Angular Position Data Status Bits Parity Bit D0 D9 D8 D7 D6 D5 D4 D3 D2 D1 D0 S1 S2 S3 S4 S5 P1 D9 Data Content Description D9:D0 Absolute angular position datat D0 Tristate 100 ns min. S1 End of offset compensation algorithm t D0 active t D0 valid 375 ns 100 ns S2 Cordic overflow indicating an error in cordic part Angular Position Data Status Bits Parity Bit S3 Linearity alarm S4C EMS22 Increase in magnetic magnitudeEMS22 EMS22 S5 Decrease in magnetic magnitude 1st Device 2nd Device Last Device P1 Even parity for detecting bits 1-15 transmission error Data IN DO PROG DO PROG DO PROG CSn CLK CSn CLK CSn CLK C EMS22 EMS22 EMS22 1st Device 2nd DeviceLast Device CLK Data IN DO DI DO DI DO DI CSn CLK CSn CLK CSn CLK CSn CLK Daisy Chain Hardware Configuration CSn CSn t T CLK FE CLK/2 D is an extra clock cycle between sensor readings 18 16 D1 23 CLK Daisy Chain Hardware Configuration when in a daisy chain configuration. CSn Mag Mag Even t T DO CLK FE CLK/2D9 D8 D7 D6 D5 D4 D3 D2 D1 D0 OCF COF LIN D9 D8 D7 INC DEC PAR CLK 18 16 D1 23 t t DO active DO valid Angular Position Data Status Bits Angular Position Data Mag Mag Even OCF COF LIN DO D9 D8 D7 D6 D5 D4 D3 D2 D1 D0 D9 D8 D7 INC DEC PAR 1st Device 2nd Device t t DO active DO valid Daisy Chain Mode Data Transfer Angular Position Data Status Bits Angular Position Data 1st Device 2nd Device Daisy Chain Mode Data Transfer * Bourns products have not been designed for and are not intended for use in lifesaving, life-critical or life-sustaining applications nor any other applications where failure or malfunction of the Bourns product may result in personal injury or death. See Legal Disclaimer Notice www.bourns.com/docs/legal/disclaimer.pdf. Specifications are subject to change without notice. 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 www.bourns.com/docs/legal/disclaimer.pdf.