2022 Wanjie M5 ECU Network Interface

2022 Wanjie M5 ECU Network Interface

With the release of the new M7, Wanjie’s visibility has surged recently. I happened to see the circuit diagram of the 2022 Wanjie M5 and organized it to share with everyone. First, we have the basic CAN network, which can be seen from the gateway interface, as shown in the figure below. These include BD … Read more

Understanding CANopen SDO Transmission

Understanding CANopen SDO Transmission

SDO (Service Data Object) is a type of message in the CANopen protocol used for reading and writing data over a CAN network. SDO is used to transmit data that is not time-sensitive, such as configuration information that only needs to be set once during initialization. There are several types of SDO transmissions: SDO Download … Read more