CANbus Diagnosis Diagnosis of Hardware Failures Most CAN problems are traced back to incorrect wiring or faulty CAN devices. Potential errors include the following: Missing or incorrectly dimensioned
Diagnosis in the Application The state of the CAN bus can be interrogated via the CAA Device diagnosis interface. This is done by means of the function block CANbus_Diag from the library CANbusDevice
Diagnosis in the User Interface Device tree In online mode, the device tree allows for an exact pinpointing of a pending diagnosis. Error flag (red triangle): Hard error, such as an incorrect/missing
Troubleshooting CANbus Problem Possible Solution The CANbus is red in the device tree directly after the application download. Check the status page and logger page of the CAN bus. You will find more
Libraries: CANbus CANbusDevice CAA CAN Low Level Extern CAA CAN Low Level Imp CANbus Use Case Library :
Runtime Configuration Installing a PCAN USB Adapter Tip The component CmpPCANBasicDrv is based on the PCAN Basic API, which supports the USB dongle and other hardware. See the company homepage of "PEA
CANopen Manager (Master) :
General The CANopen Manager is the CAN bus master and is inserted in the CAN bus configuration below the CAN bus node. CODESYS provides the following CANopen Masters: CANopen Manager (1) CANopen Manag
Configuration Tip See the general description for information about the following tabs of the device editor. Tab: <device name> I/O Mapping Tab: <device name> IEC Objects Tab: <device name> Parameters
Tab: CANopen Manager – General Table 3 . General Node-ID The node number identifies the CANopen Manager as unique (value range: 1...127). Check and Fix Configuration Opens the dialog of the same name.
