FMS+J1708 interface

The CANGO FMS+J1708 interface provides vehicle data in a reliable and standardized way. This enable all FMS(J1939) enabled telematics platforms to implement their fleet management solution not just in trucks but also in VAN's, cars, etc, without platform changes.

What is a FMS+J1708 interface?
A FMS+J1708 interface is an electronics device to read the data from a vehicle data network and translate the data into standard FMS (J1939) data. FMS+J1708 interfaces have functions to:

• Act as a firewall, so the vehicle data network cannot be interfered
• Translate the proprietary vehicle signals into FMS standard
• Filter data, not all data is made available

Readings
The data available via the databus include the fuel consumed, the time of operation and the distance travelled, etc. This data can naturally be used to calculate the fuel consumed, instant and average fuel consumption, instant and average speed and the distance travelled.

Depending on the features of the auxiliary FMS interface, this data can be processed in various other ways and communicated to an office-based follow-up, monitoring or maintenance system.
 
Operation

The vehicle computers (EDC, Retarder, Opticruise, EBS, ABS etc.) all communicate via an on-board CAN bus. As an option, the vehicle's data bus can be provided with

an interface that slots part of the information out through a firewall - one-way only - in a standardised encoded format (J1939) to a standardised interface. The firewall and interface are necessary to safeguard against hazards caused by interference with the vehicle's computer systems. CANGO assures the integrity of the vehicle database regardless of which FMS system is connected.

From the interface, the vehicle data can be processed by third-party equipment. This gives the operator access to a number of different systems and features, making the equipment compatible with other systems on the fleet. Some of these

systems already combine vehicle functions with GSM communication and GPS navigation and positioning.

Key Benefits

• Read-only the vehicle/equipment CANbus data
• Translates proprietary CANbus data to FMS standard

• RS232 characteristics
  Baud rate	Selectable:  1200 to 115200 bps, default 56000 bps
  Protocols	ASCII based protocols
  Hardware control	NONE
  RS232 decoding	Datalength 8, Stopbit None, Parity None
  Checksum support	Selectable: Proprietary

  Translates proprietary CANbus protocol to RS232/ASCII
• Process the data via internal algorithms
• FMS standard support
• Extremely secure
• Robust design and IP67
• 1 bidirectional CANbus port
• 1 CAN port (protected read only)
• 1 RS232 port
• ISO11898 CANbus 10kbit-1Mbit
• Protocol Support for J1939, Protocol Support for CANopen via Layer2 and proprietary protocols
• Full configurable, without programming
• 8-40 volt supply

FMS Interface is composed by:

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