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Last Updated on: March 11, 2023
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Au Truck / Bus Fleet Management System (FMS) Interpreter

Au FMS interpreters are designed dedicated for the European truck and bus telematics market. All devices have the FMS CAN network signal as the input, and output an ASCII sting at the EIA-232 interface. The ASCII data string is human readable and it can be relayed to a GSM/GPRS/satellite modem (with serial input), which eventually send the truck and bus real-time data to a web server and have those message processed and saved in a hosted database. This family of FMS interpreter products support the parameters defined by the latest FMS-Standard and Bus FMS-Standard. The family consists of four different editions. A low cost MCU (micro-controller unit) chip solution (integrated circuits) can also be provided for OEM clients and telematics integrator.

Au STruck / Bus Fleet Management System (FMS) Interpreter

Major Hardware Features:

  • TVS (Transient Voltage Suppressor) protection on CAN bus
  • Compact size:3" L X 1-5/8"W X 3/4"H
  • Enclosure color:Black or PC white
  • Operating Temperature: -40°F to 185°F (-40°C to 85°C)
  • Power supply:+9V~+24V DC, 250mA max
  • 1 COMM LED indicator for communication event indication
  • 1 DB9 male connector for Power, Ground, CAN_H and CAN_L

Major Operating Features:

  • Ease of use: complicate software setup experience or CAN protocol configuration skill is required.
  • In-field firmware updating capability with Au Bootloader technology.
  • Custom design is available upon request.
  • MCU chip solution is available for OEM and third-party integration.

Au Truck and Bus FMS Interpreter supports all 170 FMS parameters, including 47 Common FMS parameters, 8 Truck FMS only parameters, 51 Bus FMS only parameters, and Telltale block ID and status (64 TBIS) .

List of common FMS parameters (47 SPN)

  • Fuel Level 2 (SPN 38)
  • Parking Brake Switch (SPN 70)
  • Wheel Based Speed (SPN 84)
  • Accelerator pedal position (SPN 91)
  • Fuel Level 1 (SPN 96)
  • Engine Coolant temperature (SPN 110)
  • Ambient Air Temperature (SPN 171)
  • Fuel Rate (SPN 183)
  • Instantaneous Fuel Economy (SPN 184)
  • Engine Speed (SPN 190)
  • Vehicle identification number (SPN 237)
  • Engine Total Hours of Operation (SPN 247)
  • Engine Total fuel used (SPN 250)
  • Actual Engine – Percent Torque (SPN 513)
  • Actual Retarder - Percent Torque (SPN 520)
  • Brake Pedal Position (SPN 521)
  • Cruise control states (SPN 527)
  • Cruise control active (SPN 595)
  • Brake Switch (SPN 597)
  • Clutch Switch (SPN 598)
  • Retarder Torque Mode (SPN 900)
  • High Resolution Total vehicle distance (SPN 917)
  • Total Fuel Used (Gaseous) (SPN 1040)
  • Service Brake Air Pressure Circuit # 1 (SPN 1087)
  • Service Brake Air Pressure Circuit # 2 (SPN 1088)
  • Vehicle motion (SPN 1611)
  • Driver 1 working state (SPN 1612)
  • Driver 2 working state (SPN 1613)
  • Vehicle Overspeed (SPN 1614)
  • Driver 1 card (SPN 1615)
  • Driver 2 card (SPN 1616)
  • Driver 1 time related states (SPN 1617)
  • Driver 2 time related states (SPN 1618)
  • Direction indicator (SPN 1619)
  • Tachograph performance (SPN 1620)
  • Handling information (SPN 1621)
  • System event (SPN 1622)
  • Tachograph vehicle speed (SPN 1624)
  • Driver 1 identification (SPN 1625)
  • Driver 2 identification (SPN 1626)
  • Retarder selection non-engine (SPN 1716)
  • After treatment 1 Diesel Exhaust Fluid Tank 1 level (SPN 1761)
  • Diagnostics supported (SPN 2804)
  • Requests supported (SPN 2805)
  • SW-version supported (SPN 2806)
  • High resolution engine total fuel used (SPN 5054)
  • Fuel Type (SPN 5837)
  • Telltale Block ID 0-4 * (SPN N/A)
  • Telltale Status 1-15 * (SPN N/A)
  • TP.CM.BAM + TP.DT (SPN N/A)

List of truck FMS only parameters(8 SPN)

  • Engine Percent Load at Current Speed (SPN 92)
  • Axle weight (SPN 582)
  • Service distance (SPN 914)
  • Axle Location (SPN 928)
  • Tire Location (SPN 928)
  • PTO state (SPN 976)
  • Gross Combination Vehicle Weight (SPN 1760)
  • At least one PTO engaged (SPN 3948)

List of bus FMS only parameters(51 SPN)

  • Current Gear (SPN 523)
  • Selected Gear (SPN 524)
  • Seconds (SPN 959)
  • Minutes (SPN 960)
  • Hours (SPN 961)
  • Day (SPN 962)
  • Month (SPN 963)
  • Year (SPN 964)
  • Bellow Pressure Front Axle Left (SPN 1725)
  • Bellow Pressure Front Axle Right (SPN 1726)
  • Bellow Pressure Rear Axle Left (SPN 1727)
  • Bellow Pressure Rear Axle Right (SPN 1728)
  • Steering Wheel Angle (SPN 1807)
  • Ramp/Wheel chair life (SPN 1820)
  • Position of Doors (SPN 1821)
  • Alternator Status 1 (SPN 3353)
  • Alternator Status 2 (SPN 3354)
  • Alternator Status 3 (SPN 3355)
  • Alternator Status 4 (SPN 3356)
  • Status 2 of doors (SPN 3411)
  • Hybrid Battery Pack Remaining Charge (SPN 5464)
  • Lock Status Door 1 (SPN 3412)
  • Open Status Door 1 (SPN 3413)
  • Enable Status Door 1 (SPN 3414)
  • Lock Status Door 2 (SPN 3415)
  • Open Status Door 2 (SPN 3416)
  • Enable Status Door 2 (SPN 3417)
  • Lock Status Door 3 (SPN 3418)
  • Open Status Door 3 (SPN 3419)
  • Enable Status Door 3 (SPN 3420)
  • Lock Status Door 4 (SPN 3421)
  • Open Status Door 4 (SPN 3422)
  • Enable Status Door 4 (SPN 3423)
  • Lock Status Door 5 (SPN 3424)
  • Open Status Door 5 (SPN 3425)
  • Enable Status Door 5 (SPN 3426)
  • Lock Status Door 6 (SPN 3427)
  • Open Status Door 6 (SPN 3428)
  • Enable Status Door 6 (SPN 3429)
  • Lock Status Door 7 (SPN 3430)
  • Open Status Door 7 (SPN 3431)
  • Enable Status Door 7 (SPN 3432)
  • Lock Status Door 8 (SPN 3433)
  • Open Status Door 8 (SPN 3434)
  • Enable Status Door 8 (SPN 3435)
  • Lock Status Door 9 (SPN 3436)
  • Open Status Door 9 (SPN 3437)
  • Enable Status Door 9 (SPN 3438)
  • Lock Status Door 10 (SPN 3439)
  • Open Status Door 10 (SPN 3440)

List of Telltale block ID and status (64 TBIS)

Block ID
Telltale Status
Telltale Name
0
1
Cooling air conditioning
0
2
High beam, main beam
0
3
Low beam, dipped beam
0
4
Turn signals
0
5
Hazard warning
0
6
Provision for the disabled or handicapped persons
0
7
Parking Brake
0
8
Brake failure / brake system malfunction
0
9
Hatch open
0
10
Fuel level
0
11
Engine coolant temperature
0
12
Battery charging condition
0
13
Engine oil
0
14
Position lights, side lights
0
15
Front fog light
1
1
Rear fog light
1
2
Park Heating
1
3
Engine
1
4
Service, call for maintenance
1
5
Transmission fluid temperature
1
6
Transmission failure / malfunction
1
7
Anti-lock brake system failure
1
8
Worn brake linings
1
9
Windscreen/ windshield washer fluid
1
10
Tire failure / malfunction
1
11
Malfunction / general failure
1
12
Engine oil temperature
1
13
Engine oil level
1
14
Engine coolant level
1
15
Steering fluid level
2
1
Steering failure
2
2
Height Control (Leveling)
2
3
Retarder
2
4
Engine Emission system failure
2
5
ESP indication
2
6
Brake lights
2
7
Articulation
2
8
Stop Request
2
9
Pram request
2
10
Bus stop brake
2
11
Ad blue level
2
12
Raising
2
13
Lowering
2
14
Kneeling
2
15
Engine compartment temperature
3
1
Auxiliary air pressure
3
2
Air filter clogged
3
3
Fuel filter differential pressure
3
4
Seat belt
3
5
EBS
3
6
Lane departure indication
3
7
Advanced emergency braking system
3
8
ACC
3
9
Trailer connected
3
10
ABS Trailer 1,2
3
11
Airbag
3
12
EBS Trailer 1,2
3
13
Tachograph indication
3
14
ESC switched off
3
15
Lane departure warning switched off
4
1
Engine emission filter (Soot Filter)
4
2
Electric motor failures
4
3
AdBlue tampering
4
4
Multiplex System

Au FMS Interpreter and Accessories

Au Truck and Bus FMS Interpreter
Au Truck and Bus FMS Interpreter
Part #: ITP-FMS-004       Price: $119.99 USD
6-wire CAN Cable (pigtail)
6-wire CAN/J1708 Cable for DB9 Male Connector
Part #: CBL-CAN-485-01      Price: $14.99 USD
Au J1939/J1708 Combo Cable with DB9 Female Connector and 9-way green round threaded plug
Au J1939/J1708 Combo Cable with DB9 Female Connector and 9-way green round threaded plug
Part #:CBL-CAN-485-03G       Price: $45 USD
USB to RS232 Converter Cable

USB to RS232 Converter Cable
Part #: CBL-USB-232        Price: $16.99 USD

RS232 Serial Extension Cable
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Part #: CBL-RS232-01        Price: $8.99 USD