Here, the CANedge2 is an ideal solution as it is small, easy to install and low cost.Īs an OEM, you can install this at a client site and connect the CANedge2 to your client's WLAN WiFi router - or alternatively, you can power your own 3G/4G cellular router via the 2nd port of the CANedge2. However, often the challenge will be to collect this data in a non-intrusive manner. useful for capturing field data or setting up predictive maintenance services. What if I can't find a DB9 connector?Ī frequent scenario is that a CANopen device OEM (original equipment manufacturer) wants to log data from nodes installed at a client site. The open source asammdf GUI/API for use with the CANedge, or the CANvas software for the CLX000. Once you have a DBC file with your conversion rules, the log file data can be converted with most CAN bus tools - incl. With outset in the EDS (and potentially suppplementary technical documentation), you can create a DBC file for your application - see our articles on the CAN DBC format and the J1939 DBC file. how the parameter values are "mapped" into each PDO. In the CANopen context, you'll typically have some of the relevant information in the form of an EDS (Electronic Data Sheet) *.INI file for your devices. To do so, you'll need a *.DBC file with the conversion rules (DBC is the standardized conversion rule format for CAN bus data). Once your data is extracted to your PC or server, you'll need to convert it to human-readable form. The raw data can be extracted via the CAN logger SD card or auto-pushed via WiFi to your own server. ), EMCY error messages and SDOs (Service Data Objects) used for configuration changes. NMT state changes (initializations, resets. data like torque, position, temperature, pressure etc. Once the device is connected, it'll power on and auto-detect the bit rate to start logging raw CANopen data to the SD card.Īs explained in our intro to CANopen, the majority of your CANopen data will be PDOs (Process Data Objects) - i.e.
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