CSS Electronics - CANedge1: 2x CAN Bus Data Logger (SD + RTC)

The plug & play 2x CAN/LIN logger records timestamped CAN data (Classical/CAN FD) to the extractable 8 GB industrial SD card.

It's easy-to-use: Simply connect the device to your CAN bus to start logging raw CAN data. Next, extract the data and process it using 100% free open source software/API tools - incl. file format conversion, DBC decoding and plot visualization.

Ideal for recording CAN/LIN data over weeks, months or years - e.g. for diagnostics, OEM development or legal/warranty purposes.

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Log data out-the-box. Standalone - no PC required. Power via CAN connector


Extractable 8-32 GB SD. 2xCAN/LIN. CAN FD. Zero data loss. 50 µs RTC resolution. MDF4


Only 8 x 5 x 2 CM. 100G. Aluminium enclosure. 4 LEDs. Configurable 5V power out (CH2)


Advanced filters. Transmit lists. Triggers. Cyclic logging. Silent mode


Industrial SD card. Read data at 80 MB/s. Data encryption for GDPR/CCPA


Convert data to e.g. CSV, ASC, TRC. Free open source GUI/API. DBC convert & plot


Pro specs CAN logger - at half the cost

The CANedge1 combines innovative design, cutting-edge components - and incredibly low costs:

  • 2 x CAN (incl. CAN FD) + 2 x LIN channels
  • Extractable 8-32 GB industrial SD card (= months of data)
  • Popular binary MDF4 log file format
  • Advanced message filtering & transmit functionality
  • Start/stop logging triggers based on CAN ID & databytes
  • Silent mode, bit rate auto-detection, cyclic logging
  • Data compression & encryption (e.g. for GDPR, CCPA)
  • Support for CAN/LIN error frame logging
  • Fast boot time. Safely disconnect during use (power safe)

Open source software/API
- naturally

The CANedge1 uses open formats (MDF4 data, JSON config, S3 server) - and all software/APIs are 100% free and open source.

The software toolbox includes:

  • Editors: Easily modify your device config (online/offline)
  • Converters: Convert data to Vector ASC, PEAK TRC, CSV, ...
  • asammdf GUI: DBC convert, plot and export your data
  • Python API: Automate your data processing & integrations
  • Dashboards: Visualize data in custom browser dashboards







FunctionalityStandalone CAN bus data logger with SD card and 2xCAN/LIN channels (incl. CAN FD)
FirmwareSupports free firmware updates for adding features
ConfigurationConfiguration files based on the popular open source JSON schema concept
SoftwareFree open source editor tool for easy device configuration (offline/online version available)
 Free open source asammdf software & API for editing, DBC converting & plotting MDF4 data
 Free open source C++ MF4 converters - drag & drop log files to convert into e.g. CSV, ASC, PCAP
 Free open source data processing Python API - e.g. for use in setting up browser dashboards
SafetyCE, FCC, IC and RoHS certified (see the manual)
 Tested for voltage transients (emissions/immunity), ISO 7637-2:2011, by TÃœV SÃœD (see the manual)
Warranty1-year warranty
SupportFree, fast & high quality support
Channels2 x CAN/CAN FD channels
StandardISO 11898: Compliant with CAN (up to 1 Mbit/s) and ISO & Bosch CAN FD (up to 5 Mbit/s)
ProtocolsLog raw data from CAN based protocols (J1939/FMS, CANopen, NMEA 2000, OBD2, CAN FD, ...)
IdentifiersCompliant with CAN specifications 2.0A (11-Bit ID) and 2.0B (29-Bit ID)
Bit-Rate Auto-DetectBit rate can be auto-detected or set manually
RetransmissionConfigurable retransmission of frames that have lost arbitration or been disturbed by errors
Transceiver Protection±16 kV HBM ESD, ±15 kV IEC ESD, ±70 V bus fault, short circuit
 Common mode input voltage: ±30 V
 TXD dominant timeout (prevents network blocking in the event of a failure)
Channels2 x LIN channels
Publisher/SubscriberEach LIN channel can be configured as a LIN subscriber/publisher with support for LIN data transmission
Custom lengthSupport for custom frame lengths
StandardCompliant with LIN 2.0 up to 20 Kbit/s (support for Classic & Enhanced checksum format)
Transceiver Protection±8 kV HBM ESD, ±1.5 kV CDM, ±58 V bus fault
 TXD dominant timeout (prevents network blocking in the event of a failure)
SD Card8 GB extractable Class 10 industrial micro SD (SDHC) included (optional 32GB) - read at 80 MB/s  
The device uses a class 10 industrial micro SD card with strong specs:
  • Speed Class 10 U1
  • Write/read at up to 50/80 MB/s
  • Extremely high endurance
  • Extended product life cycle
  • Durable design
  • Enables device power safety
Parallel CAN/LINRecord data from up to 2 x CAN channels + 2 x LIN channels, simultaneously
Real-Time ClockYes - CAN frames are date & timestamped with 50 microsecond resolution
 The RTC can be configured to match local time zones (default: UTC)
Log File FormatLog data in industry standard binary MF4 (easily convert to e.g. CSV, ASC, pandas, MATLAB, ...)
Data CompressionConfigurable embedded log file zipping (~50-80% size reduction)
Silent ModeConfigurable silent mode: Restricted (acknowledge only) or monitoring (zero transmission)
Filters128/64 regular/extended ID filters per channel (range, mask, acceptance, rejection, prescaling)
TransmitTransmit lists of CAN frames per channel (single-shot/periodic) - e.g. for OBD2 requests
Remote Frames (RTR)Support for logging/transmission of remote CAN frames (RTR)
Cyclic LoggingOptional cyclic logging mode (oldest log file is deleted when SD card is full)
Advanced TriggersControl signal lets you start/stop logging based on custom CAN IDs & data thresholds
CAN HeartbeatOptionally transmit heartbeat CAN frame with device status, storage used & RTC time
File SplitConfigurable log file split size (by size: 1-512 MB and/or by time period: 0-86400s)
Power Safe100% power safe data logging - no file corruption when disconnected
Unique Device IDEach device has a globally unique ID ensuring unique log file naming
Data EncryptionLog files can be encrypted at rest on the SD card for security/GDPR/CCPA purposes
Input Supply+7V to +32V DC via the Channel 1 DB9 (e.g. via CAN connector power pin)
Power ConsumptionExtremely low (~1 W) - no risk of battery drainage
ProtectionReverse voltage protection on CAN-bus supply
 Transient voltage event protection on supply lines
Enclosure & WeightCompact aluminium enclosure: 52.5 x 81.4 x 24.5 mm (L x W x H), 100 grams
Connector2 x Standard D-sub 9 (DB9) connectors (optional OBD2/J1939/... adapters)
Pin-OutSee the product manual for the DB9 connector pin-outs
Configurable Power OutChannel 2 can be configured to supply 5V to 1-3 external modules
LEDsLogger status via 4 external LEDs: Power, CH1, CH2, Memory
TemperatureOperating temperature (parts): -25degC to +70degC
IP RatingIP Rating 40

Use Cases

The CANedge1 is a powerful, standalone CAN logger for standalone CAN logging, diagnostics and development.

Note: If you need to remotely collect data via WiFi/3G/4G, check out the CANedge2.

Fleet Monitoring Offline Data Storage SD Card

Vehicle 'black box'

Need to monitor data from your vehicle fleet?

The CANedge1 is ideal for recording data over long periods from fleets - incl. cars (via OBD2) and heavy-duty vehicles (via J1939). With filters, compression & cyclic logging you can log years of data. Ideal for e.g. warranty/legal data storage or optimization.

Rare Issue Diagnostics Machinery Maintenance

Rare issue identification

Need to identify a rare, but critical issue?

If you have e.g. production equipment that periodically exhibts an issue the CANedge1 is a great diagnostics tool. Simply connect it and leave it in. If the issue occurs, you can extract the raw data, DBC convert it and plot it for quick diagnostics.

Vehicle Equipment Optimization Development J1939 CAN

Equipment development & optimization

Need to optimize your CAN based equipment based on long-term data?

The standalone CANedge1 is ideal for recording data from equipment deployed in the field: It's durable, compact and simple to install. You can e.g. pre-configure the device - and ship it to the end-users for installation.




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