Sensing and Internet of Things

3

Transportation Attitude Reference Sensor (TARS Series)

Table 3. Electrical Characteristics • TARS-HCASS Catalog Listing

Characteristic

Min.

Nominal

Max.

Unit

Supply voltage

9

14/28

36

V

Supply current

–

–

100

mA

Reverse voltage

–

–

-36

V

Overvoltage

–

–

36

V

Start-up time

500

–

2000

mSec

Short circuit protection

CAN output shorted to power line and ground

Open circuit protection

Single-line interruption and multiple-line interruption

Reset response

Automatic after voltage drop

CAN output characteristics per SAE J1939

CAN Bus data rate

–

250

–

kBaud

Signal update rate

–

–

100

Hz

Table 4. Environmental Specifications

Characteristic

Parameter

Operating temperature

-40 °C to 85 °C [40 °F to 185 °F]

Storage temperature

-40 °C to 105 °C [40 °F to 221 °F]

Housing

PBT thermoplastic

Random vibration

8 hours per axis at 16.91 g RMS

per MIL-STD-202, Method 214, Test Condition I, Letter E

Mechanical shock

50 g 11 mS half-sine pulse, 3 each direction, 18 total, per MIL-STD-202, Method 213

Chemical compatibility

Diesel fuel, hydraulic oil, ethylene glycol, motor oil, brake fluid, urea nitrogen, liquid lime,

NPK fertilizer, ammonium hydroxide, alkaline degreaser, transmission oil, power steering

fluid, and axle oil

Moisture resistance

per MIL-STD-202, Method 106 (10 cycles, 24 hours/cycle)

Thermal shock

250 cycles, -40 °C to 85 °C, 73 min dwell

Salt spray

5 % salt solution, 96 hours

Ingress protection

IP67, IP69K (DIN40050-1993) with mating connector installed

RoHS

Compliant

REACH

Compliant

UV rating

Enclosure material meets outdoor suitability requirements per UL746C F1 rating

Table 5. EMC Specifications

Characteristic

Standard

Test Level, Frequency

Radiated immunity

ISO 11452-2

125 V/m, 400 MHz to 2.5 GHz

Bulk current injection

ISO 11452-4: 2011

125 mA, 1 MHz to 400 MHz

Radiated emission

ISO 13766

30 MHz to 1 GHz

Mutual coupling

ISO 7637-3

Test pulse A, Test pulse B (-80 V, 80 V)

ESD direct contact discharge

ISO 10605

±8 kV

ESD air discharge

ISO 10605

±15 kV