In a previous project, I was involved in the communication between the Yaskawa inverter and the S7-300. However, the available materials at night were all about control words and status words to control the inverter’s start and stop, as well as read some basic parameters. What I needed was to modify the inverter’s parameter values … Read more
Hello everyone, good evening~ Today, I will introduce how many communication methods are available for Siemens PLC. Siemens PLC is a brand that many people frequently use, so today I will share the various ways to achieve communication with Siemens PLC in upper computer development. Here, we can explain from three aspects: serial communication, Ethernet … Read more
Click on the blue textFollow me! ☀The leading brand in automation remote education, the official WeChat platform of Jicheng Training Network! Follow Jicheng, and technical improvement is no problem! Source: Jicheng Training Network (Teacher Liang Zhibin) 1.3.1 PPI Network The PPI protocol is a communication protocol specifically developed for the S7-200. The communication ports (Port0/Port1) … Read more
DF PROFI II is a high-performance PROFIBUS DP/DPV1 interface card that can be used as a DP master or DP slave, capable of being rapidly and flexibly applied in various automation industries. It supports a wide range of applications across different fields. In addition to standard PROFIBUS DP/DPV1 services, it also provides a watchdog function, … Read more
Development of PROFIBUS DP data bus cable WANG Hai-ling1, ZHANG Hong-yan2 (1. Anhui Xinke Cable Group Co., Ltd., Wuwei 238300, China; 2. Anhui Zongheng HI-TECH Cables Co., Ltd., Hefei 230051, China) [Abstract]: With the continuous deepening and development of the domestic industrialization process, the demand for industrial automation networks is increasingly extensive. Especially since the … Read more
This article mainly illustrates the specific application of the PROFIBUS-DP fieldbus in production sites through examples, detailing the hardware configuration, software programming, and relevant parameter settings for communication between Siemens PLC and frequency conversion devices via PROFIBUS-DP. In industrial applications, especially in the steel metallurgy industry, it is most common to control frequency conversion devices … Read more
【Introduction】 A PROFIBUS DP slave with only one PROFIBUS DP interface can be connected to a redundant CPU via PROFINET or PROFIBUS. Below, we introduce two methods to achieve this using IE/PB LINK HA and Y LINK. (1) Recommended PROFINET Connection IE/PB LINK HA is a gateway between Industrial Ethernet and PROFIBUS DP. It enables … Read more
Siemens Communication 1. Generally speaking, the communication network of an enterprise can be divided into three levels: enterprise level, workshop level, and site level. Enterprise Level: Top-level management of the enterprise; IT technology applications are very extensive, such as the INTERNET. Workshop Level: Solving communication between different process segments that need to coordinate work within … Read more
Search on WeChat Technical Training Today, let’s talk about the DP/DP Coupler~ If you are familiar with Siemens PLC, especially the 300/400 PLC, you should know or have used this component! Even in this era where industrial Ethernet is so widespread, this component is still used in many factories! So what is it used for? … Read more
Abstract In recent years, with the advancement of intelligent factory construction in the cement industry, many experts and scholars have dedicated themselves to the research of electric control systems for vertical mills to meet the needs of intelligent factory construction. Among them, the research on electric control systems for vertical mills based on bus control … Read more