Tab: J1939-ECU – P2P RX Signals This dialog is available for local ECUs only. It shows all PGs (parameter groups) that should be received by other ECUs. In this dialog, individual groups can be activa
Dialog: Add Signal Tip In CODESYS version 3.5 SP17 and higher, the J1939 configurator is no longer supplied with a parameter group / signal database. The old database is no longer supported. However,
Dialog: Data Layout Editor Graphical representation of the data layout of a parameter group The position of the data area is displayed graphically in a different color for each signal. Overlapping are
Functions Reconfiguration – J1939 With the "Reconfiguration" function, you can dynamically adapt a J1939 configuration at application runtime which was initially downloaded to the controller. With the
Diagnosis Control devices can independently send diagnostic messages (DM). The most important diagnostic messages are DM1 and DM2. DM1 contains a list of the currently active diagnostic trouble codes
Diagnosis in the Application ECU State The ECU state of a device can be interrogated in the application in three different ways: <name in device tree>.State property ( IoDrvJ1939 library) <name in dev
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 J1939 Problem Possible Solution The CAN bus node is red or has a red exclamation mark. See the general troubleshooting for the CAN bus. The J1939 Manager is red or has a red exclamatio
Libraries: J1939 IoDrvJ1939 :
CODESYS CANbus CODESYS supports the following CAN-based fieldbuses: CANopen J1939 For more general information on fieldbus support in CODESYS , see: fieldbus support CANopen CANopen is a protocol whi