200 SMART TCP Communication Last time, I introduced the TCP_CONNECT instruction of 200 SMART. This time, I will continue with the TCP_SEND and TCP_RECV instructions. The TCP_SEND and TCP_RECV instructions are relatively simple, so I will introduce them together. EN: Enable. For the receive instruction, it is recommended to trigger with a constant 1. Req: … Read more
Recently, the price of Siemens PLCs has risen significantly, causing quite a stir in the industrial control community. Not only have prices increased, but there are also shortages, forcing many to change their plans. It is said that the chip replacement has been completed recently, and supply should be restored soon, with prices expected to … Read more
Search on WeChatTechnical Training Since the first PLC was successfully applied in the automotive production line of GM, PLCs have been widely used due to their convenience, reliability, and low cost. However, PLCs are essentially black boxes; it is not possible to observe the control process in real-time and intuitively, which presents a significant gap … Read more
Search on WeChatTechnical Training Recently, a colleague asked me if there are any materials on the S7-200 PLC. Although most people are currently using the S7-200 SMART, I’m here to help you out, so let’s learn about the S7-200 today! 1. In what environment can Siemens Step7 Micro/WIN V4.0 operate normally? The installation and operating … Read more
With the development of computer technology, new electrical control systems based on technologies such as Programmable Logic Controllers (PLC), frequency converters, servo drive systems, and computer communication and configuration software have gradually replaced traditional relay control systems and are widely used in various industries. Among them, Siemens and Mitsubishi’s PLCs, frequency converters, touch screens, and … Read more
Click on the “Technical Training” above, and select “Top Public Account“ 160,000+ industrial control professionals follow this WeChat platform: technical sharing, learning exchanges, industrial control videos Recently, some fans inquired about Siemens encoders, so today I will share content about the S7-1200 PLC. Let’s take a look! 1. Connecting Siemens S7-1200 to Incremental Encoders The … Read more
Search WeChatTechnical Training Differences Between RS232 and RS485 Interfaces 1. Physical Structure of the Interface 1. RS232 Interface: One of the computer communication interfaces, RS-232 typically appears in the form of 9 pins (DB-9) or 25 pins (DB-25). Usually, personal computers have two sets of RS-232 interfaces, referred to as COM1 and COM2. 2. RS485: … Read more
Click↑↑Technical Training, follow and pinto subscribe for free long-term 180,000+Industrial control personnel follow the WeChat platform: technical sharing, learning exchange, industrial control videos Nowadays, more and more PLCs are equipped with Ethernet communication ports, for example: the S7-200 SMART PLC comes standard with an Ethernet communication interface. Today, let’s talk about the Ethernet communication content … Read more
1. Ladder Diagram (LAD) Ladder Diagram language is derived from the commonly used relay and contactor logical control, simplifying the evolution of symbols. It is intuitive, practical, and easily accepted by electrical technicians, making it the most widely used programming language for PLCs today. In a PLC program diagram, the left and right buses are … Read more
Search on WeChatTechnical Training01Control Requirements Weilun Touch Screen Communication with Mitsubishi FX3U BD Board 02Hardware Devices Weilun Touch Screen Mitsubishi FX3U PLC FX3U-BD Board 03Software GX Works2 Utility Manager 04Wiring 1. Pin Arrangement Diagram Weilun COM2 Pin 485 BD Board 7RX- SDB 6RX+ SDA 9TX- RDB 8TX+ RDA 5GND GND 2. Weilun Communication Terminal Definitions … Read more