SX-4491 LH3 steering sensor with 5° Torque and single turn Position output The LH3 torque and position sensor is ideally suited for demanding Electric Power Steering systems. ELECTRICAL1 Torque Signal Linearity ±3% Torque Hysteresis 0.5% Torque Signal Microgradient ±30% of theoretical slope over 0.4° interval Torque Signal Sensing Angle ±5° Position Signal Linearity ±1.5% Position Signal Microgradient ±30% of theoretical slope over 2° interval Total Resistance 471 Ω ±30% MECHANICAL Torque Mechanical Travel ±11.4° Turning Torque (rotor to rotor) 0.03 NM Max. Turning Torque (position rotor to housing) 0.06 NM Max. Position Mechanical Travel Continuous Weight grams maximum ENVIRONMENTAL Operating Temperature Range -40°C to +85°C Shock 14 ms half-sine at 300 m/s2 Vibration 10 to 55 Hz with 1 mm P-P constant displacement, 120 hours each of 3 planes Torque Rotational Life 1 million cycles Position Rotational Life 1 million cycles Storage Temperature Range 1 -40°C to +105°C RoHS 2 Pb compliant Specifications subject to change without notice. BI Technologies Corporation 4200 Bonita Place, Fullerton, CA 92835 USA Phone: 714 447 2345 February 2 2015 Website: www.bitechnologies.com SX-4491 page 1 of 4 SX-4491 OUTPUT CHARTS Position Sensor Output 100% P1 % of Input Voltage 90% P2 80% 70% 60% 50% 40% 30% 20% 10% 0% -360 -270 -180 -90 0 90 180 270 360 Steering Angle (Degrees) CW direction -> Typical Torque Outputs 100% 90% 80% Outputs (% of Vt) 70% 60% 50% T1 T2 40% 30% 20% 10% CW direction -> 0% -6 -4 -2 0 2 Relative angle (degrees) BI Technologies Corporation 4200 Bonita Place, Fullerton, CA 92835 USA Phone: 714 447 2345 February 2 2015 Website: www.bitechnologies.com SX-4491 page 2 of 4 4 6 SX-4491 OUTLINE DRAWING CONNECTOR SEE TABLE +.040 -.020 +1,01 21,74 -,50 .856 [ 10.71±.20 [272±5] 1.040 [26,42] .719 .492 [12,50] [ +.040 -.020 +1,01 18,26 -,50 IRRAX TUBING COLOR:YELLOW ] 5.43±.20 [138±5] ] OF SENSOR ROTOR LOCATION TAB .158 [4] 70°±1° 2.250 [57,2] CCW TORQUE ROTOR TO INTERFACE WITH UPPER SHAFT CW 1.890 [48] 45°±5° .87±.10 [22,1±2,5] POSITION ROTOR TO INTERFACE WITH LOWER SHAFT 3.20 [81] SENSOR TO BE INSTALLED (WHEN SENSOR IS PINNED} OVER SHAFTS IN DIRECTION OF ARROW Tolerances ±0.25 mm unless otherwise specified. See drawing # 122-4491-80 for details. BARCODE LABEL PINOUTS Code 128 symbology 4491 A Y DDD T SSSS Model # BI revision letter BI Technologies Corporation 4200 Bonita Place, Fullerton, CA 92835 USA Phone: 714 447 2345 February 2 2015 Website: www.bitechnologies.com SX-4491 page 3 of 4 Last digit of year Tester # Day of year Sequential serial # SX-4491 RECOMMENDED INTERFACE BI Technologies Corporation 4200 Bonita Place, Fullerton, CA 92835 USA Phone: 714 447 2345 February 2 2015 Website: www.bitechnologies.com SX-4491 page 4 of 4