For many years, Programmable Logic Controllers (PLC) have made a leap from wiring logic to storage logic; their functionality has progressed from weak to strong, achieving advancements from logic control to digital control; their application fields have expanded from small to large, transitioning from simple control of individual devices to competent motion control, process control, … Read more
The Expert Speaks The Internet of Things and the concept of connecting everything is quite trendy, isn’t it? Upon seeing Alibaba Cloud’s IoT platform, I thought about directly connecting the PLC to the Alibaba Cloud IoT platform. After several days of testing, I finally succeeded. ▲ Siemens’ MQTT client library ▲ Publishing messages ▲ Platform … Read more
Search on WeChat Technical Training There are various communication methods between Siemens WINCC and Siemens PLC. Below are two commonly used communication methods. 1. Using a standard network card to communicate with the PLC via TCP/IP. The prerequisite for connecting WINCC with the PLC system through Ethernet is that the PLC system is configured with … Read more
Introduction: In actual work environments, PLCs may communicate and exchange data. Typically, communication requires devices to be on the same network segment. However, what if our devices are not on the same segment? This article introduces how two PLCs can perform TCP/IP communication to exchange data when they are not on the same network segment. … Read more
Search on WeChat Technical Training 1. Hardware PLC 1. S7-1200 PLC 1211C model CM1241 communication module; 2. Panasonic temperature controller KT4-1; 3. Qixi inverter HD700 series; 4. MCGS TPC 7062K touch screen. 2. Communication Purpose PLC The S7-1200 PLC sets data for the temperature controller and inverter via the touch screen, including temperature setpoint (SV); … Read more
Click on the “Technical Training” above and select “Top Official Account“ Over 160,000 industrial control professionals follow this WeChat platform: technical sharing, learning exchange, industrial control videos Detailed structure diagram of Siemens S7-200 SMART PLC 1. Siemens S7-200 SMART as Modbus Slave 1. Check the Micro/WIN SMART Modbus RTU Slave instruction library (Figure 1), which … Read more
NEWS TODAY I have previously worked with microcontrollers and various inverter models including Mitsubishi D700, Siemens G120, Omron 3G3JZ, Panasonic VF200, Delta VFD-M, Xinjie VB3, Yonghong FID-B10, Shindengen IS7, Inovance MD500, Yaskawa Goodrive10, Schneider ATV12, Haiwei E, Holip HGD303, Taian F510, HEC F2A, Rockwell PowerFlex-4, Fuji FRENIC-VP, Boke CV20, Yaskawa A1000, Weichuang Artrich-AR60T, etc., using … Read more
For More Exciting Content, Click to Follow “Daodao Education” I have previously worked with microcontrollers and the following 20 types of PLCs for Modbus RTU serial communication. Now, I would like to share the mapping table of these 20 PLC input, output, and register components to their corresponding Modbus addresses. Mitsubishi FX3G-40MR/ES-A, Siemens S7-200 CPU226 … Read more
Search on WeChat Technical Training MODBUS Communication Between S7-1200 and V20 For MODBUS communication between S7-1200 and V20, the S7-1200 PLC needs to add a CM1241 RS485 communication module. 01 Communication Connection The V20 inverter is connected to the PLC via RS485 cable, using the standard MODBUS communication protocol. Through MODBUS communication, the PLC sends … Read more
Click the ” Jicheng Training ” above, select “Pin Public Account“ 150,000+ industrial control professionals are following this WeChat platform: technical sharing, learning exchange, industrial control videos (1) Modbus Communication Modbus communication of S7-200: S7-200 only supports the Modbus RTU protocol and does not support the Modbus ASCII protocol; Modbus is a master/slave communication mode … Read more