|
|
| Line 1: |
Line 1: |
| SAE J1708 is a standard used for serial communications between ECUs on a heavy duty. The hardware utilized are RS-485 transceivers wired for open collector operation through the use of a pullup and pulldown of the separate data lines.
| | {{Template:FMX640 and J1708 |
| | | |model=FMM640 |
| With FMB640, J1708 functionality is used to read vehicle's Fuel Level and Fuel consumption.
| | |FMB640CFG = }} |
| | |
| Because J1708 is not a CAN BUS protocol, FMB640 CAN1 and CAN2 lines cannot be used to read J1708 information. FMB640 has a special J1708 Port, which utilizes RJ9 4P4C connector.
| |
| | |
| [[image:J1708.png]]
| |
| [[image:J1708_pinout.png]] <br>
| |
| | |
| ==Software Configuration of FMM640 with J1708== | |
| | |
| Firmware version: 00.00.11 or above
| |
| Configurator version: 0.13.35.29297 or above
| |
| | |
| J1708 configuration is done in FMS IO Tab.
| |
| | |
| [[image:J1708_config.gif]]
| |
| | |
| When J1708 is enabled as Fuel Level source, Fuel related data will be taken from J1708 line, FMS Fuel data will be ignored.
| |
| | |
| ==Connection with Vehicle port==
| |
| | |
| J1708 connector is not supported by all vehicles. Only VOLVO, RENAULT and American truck manufacturers implement J1708 connector.
| |
| | |
| [[image:J1708_pinout1.png]]
| |
| | |
| Trucks utilizes Deutsch 9-PIN connector, which is used to connect FMM640 to J1708.
| |
| | |
| [[image:Deutsch_j1708.png]]
| |
| | |
| {|
| |
| | [[File:Alert.png|left|link=|50px]] || <b>NOTE: Most of the Volvo trucks need an J1708 connection to be able to receive fuel level data</b> | |
| |}
| |
| | |
| [[Category:FMM640 Manual]] | | [[Category:FMM640 Manual]] |
