How Does a PLC Scan Programs?

How Does a PLC Scan Programs?

To learn PLCs, one must deeply understand the scanning process and execution principles of PLCs to write programs reliably and accurately. In simple terms, PLC programs are scanned and executed in a sequential loop from top to bottom and left to right, which requires three processes to truly output and implement external actions. Step One, … Read more

How Fixed Barcode Scanners Accurately Scan Small and Complex Barcodes on PCBs

How Fixed Barcode Scanners Accurately Scan Small and Complex Barcodes on PCBs

In today’s rapidly evolving electronic technology, printed circuit boards (PCBs) have become core components in various fields such as smart devices, automated production lines, and medical equipment. These fields have extremely high requirements for PCB quality control and production efficiency, and the precise identification of small barcodes on the boards is a key factor in … Read more

Understanding the Working Principle of CAN Bus

Understanding the Working Principle of CAN Bus

Click the above “Easy Learning Electronics” to follow and easily learn electronic knowledge. Easy Learning Electronics Subscription Daily updates on technical articles in the electronics industry and the latest news on microcontrollers, making it easy to learn anytime, anywhere. In a CAN bus, the priority of messages sent by all transceivers ranges from the least … Read more

Design of CAN Bus Dashcam Based on Data Bus

Design of CAN Bus Dashcam Based on Data Bus

CAN bus (Controller Area Network) is a serial multi-master controller area network bus, primarily designed to connect various controllers in a vehicle, enabling communication between the engine controller, transmission controller, ABS controller, body controller, instrument panel, and other controllers. The CAN bus system not only reduces the number of wiring harnesses in the vehicle, making … Read more

Application Hardware Design of SuRuiDe LIN Bus in Lighting Control Systems

Application Hardware Design of SuRuiDe LIN Bus in Lighting Control Systems

LIN is a subnet of the CAN bus system, also known as a “local subsystem.” Data exchange between all systems controlled by the LIN bus in automobiles must be achieved through the CAN bus control unit. As a beneficial supplement to the CAN bus, the LIN bus can complete vehicle functions more economically and effectively. … Read more

Overview of Audi Data Bus (Principles and Comparison)

Overview of Audi Data Bus (Principles and Comparison)

As the demand for features increases and the requirements for driving comfort rise, the number of electronic components used in cars has also increased. This leads to the need for new transmission channels for data transfer between various control units. Function of the Data Bus The automotive data bus enables safe, reliable, and fast data … Read more

Requirements of High-Speed CAN Bus Physical Layer for Wiring Harness

Requirements of High-Speed CAN Bus Physical Layer for Wiring Harness

Follow our public account, click the top right corner of the public account homepage ” ··· “, set a star, and stay updated on the latest news in intelligent automotive electronics and software. Source: Automotive Electronics and Software Author: Dou Mingjia Currently, vehicles have more and more functions, including driving assistance functions such as 360-degree … Read more

Research Overview of In-Vehicle CAN Bus IDS Technology

Research Overview of In-Vehicle CAN Bus IDS Technology

1. Introduction With the advancement of Internet of Things (IoT) technology and the widespread application of Electronic Control Units (ECUs), the automotive industry is undergoing a significant transformation, with intelligence and networking becoming the mainstream trends. Intelligent connected vehicles achieve extensive interconnectivity between the vehicle and the external environment through advanced in-vehicle networks, such as … Read more

Overview of Automotive Bus and On-Board Network Technology

Overview of Automotive Bus and On-Board Network Technology

As the automobile industry develops, the number of electrical devices in vehicles is increasing. For each additional electrical device, two power lines must be added. Simultaneously, each electrical device requires two additional switch wires. The rapid increase in electrical devices in vehicles has led to a corresponding rise in switch wires. This increase in electrical … Read more

Analysis of Missing Termination Resistor Phenomenon in CAN Bus

Analysis of Missing Termination Resistor Phenomenon in CAN Bus

Source:Automotive Chassis Home Requirements for Adding Termination Resistors According to ISO11898-2 regulations on the value of termination resistors, a 120Ω termination resistor must be connected at both ends of the bus, totaling 60Ω on the bus, while intermediate nodes do not require termination resistors, as shown in Figure 1. Figure 1 Termination Resistor Effects of … Read more