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Technical content
Features
n Non-contacting magnetic technology n Highly resistant to vibration/shock n Highly resistant to fluid/dust ingress n Programmable at factory for zero position n Robust design for industrial applications n Highly repeatable n RoHS compliant* Electrical Characteristics1 (@ 25 °C) VDD Supply Voltage
45 V min, 5 V typ, 55 V max
Output Signal (Single) Digital SSI Independent Linearity ±03 % Hysteresis 02 % max Effective Electrical Angle 360 ° Output Range 0 to 4095 Output Resolution 12 bit Load Resistance Recommended 10K ohms to open Overvoltage Protection +20 V DC Reverse Voltage Protection -10 V DC Environmental Characteristics Operating Temperature -40 °C to +125 °C Moisture Resistance MIL-STD-202, Method 106 Insulation Resistance @ 500 V AC
500 MW min
Vibration 15 G, 10 to 2000 Hz Shock50 G IP Rating IP 50 ESD Rating 2 kV max Soldering Condition Wave Soldering 965 Sn / 30 Ag / 05 Cu with no-clean flux; 260 °C (500 °F) max for 5 s Manual Soldering 965 Sn / 30 Ag / 05 Cu solid wire or no-clean rosin cored wire 370 °C (700 °F) max for 3 s Wash Processes Not recommended Mechanical Characteristics Mechanical Angle Continuous (360 °) Shaft/RPM 120 RPM max Torque Starting & Running
106 N-cm (15 oz-in) max
170-200 N-cm (15-18 lb-in)max Shaft Material Stainless steel Terminals Brass / 100 % matte tin over Ni strike (e3) Bearing Oil impregnated sleeve Rotational Life50 million shaft revolutions
1 At room ambient: +25 °C nominal and 50 % relative
humidity nominal, except as noted *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. WARNING Cancer and Reproductive Harm www.P65Warnings.ca.gov Product Dimensions 1.57 (.062) 0.51 (.020) 22.23 (.875) 45 ° 4 PLCS. CLOCK VCC POWER SAVE R: 7.62 (.300) 11.3 ± 0.38 (.445 ± .015) 6.46 ± 0.38 (.254 ± .015) 6.35 ± 0.07 (.250 ± .003) 3/8-32 UNEF THREAD 6 PLCS. 6 PLCS. DIA. OUTPUT VOLTAGE INCREASES WHEN SHAFT IS ROTATED IN THIS DIRECTION 9.53 ± 0.78 (.375 ± .031) 6.342 +0/-0.07 (.2497 +0/-.0003) DIA. 10.257 +0/-0.05 (.4038 +0/-.0020) DIA. 4.83 ± 0.05 (.190 ± .002) 22.23 ± 0.76 (.875 ± .030) GND DATA CHIP SELECT Asia-Pacific: Tel: +886-2 2562-4117 • Email: asiacus@bourns.com EMEA: Tel: +36 88 885 877 • Email: eurocus@bourns.com The Americas: Tel: +1-951 781-5500 • Email: americus@bourns.com www.bourns.com
DMS22B Non-Contacting Feedback Rotary Sensor with SSI
Applications
n Patient platform positioning feedback n Pneumatic control valve position feedback n Draw wire position sensors n Remote communications antenna positioning n Actuator motor position feedback n Automated manufacturing robotics n Tilt control and tilt positioning feedback DM S 22 B 5 A1 C A F L 3 36 N Model DM = Digital Magnetic Configuration S = Single-Turn Size 22 = 22 mm Mounting Configuration B = Bushing Mount 3/8 - 32 UNEF Thread Supply Voltage 5 = 5 V DC Output Type A1 = SSI Single Signal,12 Bit Resolution Independent Linearity C = 030 % Output A = 0-4095 Shaft Style F = Flatted 7/8 ˝ Shaft FMS, 1/4 ˝ Dia. Terminal Configuration L = Axial Direction 3 = CW (Increasing) Effective Electrical Angle 36 = 360 ° Hard Stop N = Continuous 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. Rotational Life vs. Side Load 0 100 200 Shaft Side Load (grams) Rotational Life (Millions of Shaft Revolutions) 300 400 50050 150 250 350 450 How To Order
DMS22B Non-Contacting F eedback Rotary Sensor with SSI SSI Timing Diagram SSI Timing Characteristics SSI 3-wired SSI 2-wired tDO active tDO activetCSn tDO valid SC MI MO HI-Z HI-Z tCLK_FE tTIMEOUT tDELAY 16-BIT CYCLE 16-BITS ANGULAR POSITION DATA PREVIOUS DATA NEW DATA MSB MSB-1 MSB-2 2 3 n tCLK_FE tWAIT TDO Tristate MSBLSBLSB+1 tDO valid SC MI MO tTIMEOUT 16-BIT CYCLE tREfresh >20 µs 16-BITS ANGULAR POSITION DATA PREVIOUS DATA NEW DATA MSB MSB-1 MSB-2 2 3 n tWAIT MSB MSB-1LSBLSB+1 tDELAY Parameter Min. Typ. Max. Units Notes fclk — — 1000 kHz tCLK FE — — 500 ns minimum time required for encoder to freeze data and prepare shift registers before receiving the first rising edge to prompt the MSB tDO active — 100 — ns tDO valid — 50 — ns tCSn — 500 — ns tDO Tristate — 100 — ns tDELAY — 500 — ns minimum time required for encoder to freeze data and prepare shift registers before receiving the first rising edge to prompt the MSB tREfresh 20 — — µs required waiting time to refresh position data between subsequent position reads tTIMEOUT — — 20 µs every falling edge of the clock tWAIT — — 10 µs max time to hold DO to low Note: SSI Timing Characteristics prevail over Recommended Operating Range unless otherwise specified 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.
This legal disclaimer applies to purchasers and users of Bourns® products manufactured by or on behalf of Bourns, Inc. and its affiliates (collectively, “Bourns”). Unless otherwise expressly indicated in writing, Bourns® products and data sheets relating thereto are subject to change without notice. Users should check for and obtain the latest relevant information and verify that such information is current 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 in a user application may vary from the data sheet characteristics and parameters due to (i) the combination of the Bourns® product with other components in the user’s application, or (ii) the environment of the user application itself. The characteristics and parameters of a Bourns® product also can and do vary in different applications and actual performance may vary over time. Users should always verify the actual performance of the Bourns® product in their specific devices and applications, and make their own independent judgments regarding the amount of additional test margin to design into their device or application to compensate for differences between laboratory and real world conditions. 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