J1708 contactless reader connection
J1708 contactless reader - contactless reader option allows the CAN Bus interface to read vehicle CAN Bus data without any actual metal to metal connection between the interface and the vehicle CAN Bus. It is used in heavy duty vehicles (Renault and Volvo) that supports J1708 communication protocols.
J1708 contactless reader.
a) Physical connection.
S-CAN pinout meaning:
J1708 reader | Where to Connect |
|---|---|
Red | +12/24 V |
Black | GND |
Orange | FMS 500 EIA 485A (Green/black) |
Orange/Black | FMS 500 EIA 485B (Green) |
Schematics of connection:
b) Configuration of Logic template.
For RS485 interface to read J1708 data, need to configure logic template of device in FMSet.
Example of configuration: J1708 line configuration.