Introduction of remote controller integrated detection system to detect operation process of CAN bus remote controller

This article mainly introduces the remote control integrated detection system to detect the operation process of the CAN bus remote control, and the specific steps to follow the Xiaobian together to find out.

CAN bus test content

CAN bus test content can be divided into single node test and bus system integration test. Before each node is connected to the CAN bus network, a single-node test is required to determine that the node is operating correctly and does not interfere with the normal communication of the bus. The bus system integration test is to connect all nodes to form a complete CAN bus system. The system is tested to verify the integrity and correctness of the system operation, the robustness of the system communication, the robustness of the electrical appliances, and the fault-tolerant self-recovery of the system. Features and so on.

To carry out the CAN bus test process, first of all need to develop a test specification, and then write test cases based on the test specification, build a test environment, and test the implementation, and finally analyze the data obtained from the test to form a test report.

Due to the flexibility of the CAN bus basic protocol, there is currently no unified test specification covering all levels of CAN bus integrity. As the most widely used automotive industry with CAN bus technology, each automobile manufacturer only defines its own CAN bus protocol. , and according to the agreement to develop their own test specifications.

Therefore, to develop CAN bus test specifications, test requirements must be extracted from relevant design requirements and specification documents. These documents may include the CAN protocol, the standards or protocols on which the bus system is designed (for example, ISO11898 or J1939), and system design requirements. , system diagnostic protocols, and other industry communication specifications. According to the extracted test requirements, each demand point is corresponding to the test case group.

Remote control integrated detection system detects CAN bus remote control operation process

Step 1: Connect 220VAC AC power, turn on AC power switch;

Introduction of remote controller integrated detection system to detect operation process of CAN bus remote controller

Step 2: Connect CAN bus remote control receiver power supply and CAN bus connector;

Introduction of remote controller integrated detection system to detect operation process of CAN bus remote controller

Step 3: After the front panel emergency stop switch is released, the system is powered on and the main screen of the display is automatically entered;

Introduction of remote controller integrated detection system to detect operation process of CAN bus remote controller

Step 4: Enter the system password (default password 8318), enter the function selection page, click to select the corresponding function module according to the remote control system type;

Introduction of remote controller integrated detection system to detect operation process of CAN bus remote controller

Step 5: Press the CAN power button under the emergency stop switch to activate the receiver and power up the receiver. The status indicator of the window is on.

Introduction of remote controller integrated detection system to detect operation process of CAN bus remote controller

Introduction of remote controller integrated detection system to detect operation process of CAN bus remote controller

Step 6: Turn on the power button of the remote transmitter and press the start button. The receiver will turn green and the remote control system will enter normal operation.

Introduction of remote controller integrated detection system to detect operation process of CAN bus remote controller

Introduction of remote controller integrated detection system to detect operation process of CAN bus remote controller

Step 7: Operate the remote transmitter in sequence to check whether the rocker, switch, and button status on the display screen of the detection system are consistent with the status of the rocker, switch, and button on the transmitter, as a basis for judging the fault of the remote control system.

Introduction of remote controller integrated detection system to detect operation process of CAN bus remote controller

Introduction of remote controller integrated detection system to detect operation process of CAN bus remote controller

Step 8: After all the joystick, switch and key operations of the transmitter are completed, reset the CAN power start button under the emergency stop switch, the receiver is powered off, remove the receiver power supply and CAN bus connector, and close the transmitter key switch to complete the remote control System detection. Finally turn off the 220VAC AC power switch.

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