SX-4491 - BI Technologies

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