Specification

Logging

• Storage

  • Extractable industry grade micro SD-card (8-32GB)

  • Standard FAT file system (can be read directly by a PC)

  • Logging to industry standard .MF4 (ASAM MDF4) file format

• Organization

  • Log files grouped by session (power cycle)

  • Log files split based on file configurable size or time

  • Optional cyclic-logging mode (oldest log file is deleted when memory is full)

• Performance

  • Simultaneous logging from 2 x CAN-bus + 2 x LIN-bus

  • Message time stamping with 50 us resolution

  • High message rate1

  • Optional data compression (LZSS)

• Security

  • Globally unique device ID with customizable device name

  • Power safe (device can be disconnected during operation without risk of data corruption)

  • Optional end-2-end data encryption (AES128-GCM)

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Real-time clock (RTC)

• High precision real-time clock retains date and time when device is off

• The real-time clock can be automatically synced from various sources2

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CAN-bus (x2)

• Physical

  • Two physical CAN-bus interfaces

  • Industry standard DB9 (D-sub9) connectors

• Transceiver

  • Compliant with CAN Protocol Version 2.0 Part A, B and ISO 11898-1

  • Compliant with ISO CAN FD and Bosch CAN FD

  • Ideal passive behavior when unpowered (high impedance / no load)

  • Short circuit protection

  • Transient protection

  • TXD dominant timeout (prevents network blocking in the event of a failure)

  • Data rates up to 5Mbps3

• Controller

  • Based on MCAN IP from Bosch

  • Bit-rate: Auto-detect (from list4), manual simple (from list5) or advanced (bit-timing)

  • 128 standard CAN ID + 64 extended CAN ID filters (per interface)

  • Advanced filter configuration: Range, mask, acceptance, rejection

  • Configurable transmit messages, single shot or periodic (up to 128/64 regular/extended)

  • Message down-sampling based on:

    • Count

    • Time

    • Change in data

  • Support for Remote-Transmission-Request (RTR) frames

  • Silent modes: Restricted (acknowledge only) or monitoring (transmission disabled)

  • Supports all CAN based protocols (J1939, CANopen, OBD2, NMEA 2000, …)6

• Application

  • Cross-channel control-message for start/stop of reception/transmission

  • Heartbeat-message to broadcast device time, space left on SD-card and reception/transmission state

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LIN-bus (x2)

• Physical

  • Two physical LIN-bus interfaces

  • Industry standard DB9 (D-sub9) connectors

  • No internal diode and resistor for publishing mode

• Transceiver

  • Protection: ±8kV HBM ESD, ±1.5kV CDM, ±58V bus fault

  • Supports 4V to 24V applications

  • TXD dominant timeout (prevents network blocking in the event of a failure)

  • Data rates up to 20kbps

• Controller

  • Support for both publisher and subscriber modes

  • Automatic7 and custom frame lengths

  • Classic and Extended checksum formats

  • Configurable transmit messages, single shot or periodic

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GNSS

• Concurrent GNSS receiver module supporting: GPS, GLONASS, Galileo and BeiDou

• Inertial Measurement Unit (IMU)

• Support for sensor-fusion, combining GNSS and IMU data for improved navigation performance17

• Automatic alignment estimation17

• Cold-start time-to-first-fix: ~25 s

• Horizontal accuracy (CEP)18: ~1.5 m

• Position error during GNSS loss: 10 %19

• Outputs (see Internal signals)

  • Status (5 Hz)

  • Time (5 Hz)

  • Position (5 Hz)

  • Altitude (5 Hz)

  • Attitude (5 Hz)

  • Distance travelled (1 Hz)

  • Speed (5 Hz)

  • Geofence status (1 Hz)

  • IMU data (5 Hz)20

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Electrical

• Device supply

  • Channel 1 (CH1) voltage supply range: +7.0 V to +32 V DC21

  • Reverse voltage protection22

  • Transient voltage event protection on supply lines23

  • Consumption: 0.8 W24

• Secondary port output supply25

  • Channel 2 (CH2) fixed 5 V output supply (up to 1 A)26

  • Supports power out scheduling to control the output state based on time of day

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Mechanical

• Status indicated using external LEDs

• Robust and compact aluminum enclosure

• Operating temperature: -25 °C to +70 °C

• Hardware version 00.03:

  • Dimensions: 44.2 x 75.0 x 20.0 mm (L x W x H)27

  • Weight: ~ 80 g28

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1

See the performance tests

2

Synchronization sources depend on device variant. See configuration section for more information

3

Supported FD bit-rates: 1M, 2M, 4M

4

Bit-rate list: 5k, 10k, 20k, 33.333k, 47.619k, 50k, 83.333k, 95.238k, 100k, 125k, 250k, 500k, 800k, 1M

5

Bit-rate list: 5k, 10k, 20k, 33.333k, 47.619k, 50k, 83.333k, 95.238k, 100k, 125k, 250k, 500k, 800k, 1M, 2M, 4M

6

The device logs raw data frames

7

Data lengths are defined by bits 4 and 5 of the LIN identifier

17(1,2)

Automotive applications only

18

Circular Error Probability, 50%, 24 hours static, >6 satellites

19

Assumes sensor-fusion enabled. Error as a percentage of distance of traveled

20

IMU data includes 3 x acceleration + 3 x angular-rate

21

The device is supplied trough connector 1 (CH1)

22

Up to 24V

23

The transient voltage protection is designed to clamp low energy voltage events. High energy voltage events may overheat and destroy the input protection

24

Peak consumption during logging and active network connectivity (if supported)

25

Can be used to supply external devices

26

The 5V output can be used to power WiFi hotspots, sensors, small actuators, external LEDs, etc.

27

Excluding any external antennas and flanges

28(1,2,3)

Excluding any external antennas