In order to achieve information collection and command output over as large a range as possible, we need to distribute the IO through a fieldbus. How can this be achieved? The answer is to connect several IO couplers on the communication bus, which communicate data with controllers such as PLC. The PLC and other controllers … Read more
These communication standards play different roles in industrial automation. Let me use a traffic system analogy to help you understand: Basic Positioning of the Four Standards 1. RS-232: A One-to-One Small Road Features: The earliest serial communication standard (1969) Point-to-point full-duplex communication (simultaneous two-way) Single-ended signal transmission (susceptible to interference) Typical transmission distance ≤ 15 … Read more
In modern industrial control, we often encounter situations where Modbus IO needs to connect to CANopen IO. How can we achieve interoperability between these two different communication protocols? PXB-6021 is a newly launched Modbus to CANopen protocol converter from Zhiyuan Electronics. It features 1 CAN channel, 1 100Mbps Ethernet port, and 1 RS485 port.This product … Read more
Hello everyone, I am Da Yi, and today we are going to talk about the serial communication protocol between microcontrollers (MCU) and PLCs. When it comes to serial communication, many of you might feel confused, but don’t worry, I will clarify everything shortly. What is Serial Communication?Communication is everywhere; for example, the way you and … Read more
I remember when I first joined the industry, I took over a project to upgrade an injection molding machine. The communication between the inverter and the PLC was always intermittent. After several days of troubleshooting, I discovered that the grounding was not done correctly, which caused interference. Today, I will share my experiences and techniques … Read more
ClickFollow“PLC Wireless Communication” for daily amazing discoveries! Is RS-232 a standard communication interface or a protocol?? Is RS-232 a bus?? What is the relationship between fieldbus and networks?? Does each bus have a protocol?? What is the main function of the PLC communication module?? It’s all a mess, please advise, thank you. Whoever can explain … Read more
PXB-6021 is a Modbus to CANopen protocol converter launched by ZLG Zhiyuan Electronics, featuring 1 CAN channel, 1 100M Ethernet, and 1 RS485. This product supports Modbus RTU and Modbus TCP, enabling data conversion from Modbus master to CANopen slave. The PXB-6021 supports up to 12 groups of TPDO and 12 groups of RPDO, and … Read more
The PLC is a controller used in industry. When selecting this device, we primarily consider whether its performance meets our needs and whether the price is appropriate. Which is more important, price or performance? Clearly, performance is paramount; if the machine cannot meet the requirements, what does the price matter? Alternatively, if the performance is … Read more
CANopen is a common industrial automation communication protocol, widely used in the industrial sector for applications such as robot control, lifting equipment transmission, and motion control devices, with extensive usage in the motor control field. Typical master station products include industrial computers, PLCs, and motion controllers, while typical slave station products include motor drivers, distributed … Read more
Introduction IIoT (Industrial Internet of Things) refers to the integration of various sensing and monitoring devices, controllers, mobile communications, intelligent analysis, and other technologies into all stages of industrial production. This significantly enhances manufacturing efficiency, improves product quality, reduces product costs and resource consumption, ultimately elevating traditional industries to a new stage of intelligence. The … Read more