1. Device Overview

The IOSiX J1939/J1708 Datalogger supports high-speed data acquisition from vehicle data buses.  The device is fully configurable as to what data is recorded and at what rates.  There is also a streaming mode for live vehicle communication (contact IOSiX for details).  A development API is also available, enabling customers to deploy custom code to the device firmware (contact IOSiX for details).  IOSiX can also supply custom firmware development for customers at reasonable rates. 

2. Hardware Specifications 

Vehicle protocols

  • 1 dual-wire CAN bus
  • 1 J1708/J1587 bus

Radios

  • WiFi 802.11bgn radio
    • SoftAP and infrastructure capability
    • Internal antenna
  • GPS receiver
    • Internal antenna

Sensors

  • 3-axis MEMS accelerometer
  • Temperature sensor
  • Real-time clock with a backup battery
    • GPS units have a rechargeable battery
    • Otherwise, silver oxide primary battery is used
  • Vehicle battery voltage and USB bus voltage

USB

  • mini-B USB port on device
  • CDC class

Storage

  • microSD slot supporting up to 32GB

Power

  • 4V to 30V operating range
  • -30V to 100V input protection
  • 30kV ESD protection on all external pins
  • <100uA sleep current consumption