Introduction In actual work sites, PLCs are often used to control inverters. There are several ways for PLC to control inverters, such as terminal control, analog control, and communication control. Among these, communication control has certain advantages over the first two methods, such as the ability to read multiple data from the inverter with just … Read more
Abstract: As customers have higher requirements for the environment of filling equipment, a large number of purification fans (FFU) have been applied to filling equipment. Economic cost, simple and quick installation, operation, and maintenance have become the key factors in the control scheme. To address this issue, we propose using Siemens PLC with MODBUS TCP … Read more
Having previously worked with microcontrollers and the following 20 types of PLCs for Modbus RTU serial communication, I am now sharing the correspondence table of these 20 PLC input, output, and register components with their Modbus address numbers. Mitsubishi X components support Modbus function code 02; Y components support Modbus function codes 01, 05, and … Read more
Search on WeChat Technical Training Introduction This article will detail the steps for connecting the Siemens S7-200 SMART PLC with the Smart Line touch screen via Modbus RTU communication. 1. Hardware Connection 1. Smart Line Touch Screen 485 Port Pin Definition As shown in Figure 1: Figure 1 2. 200 SMART PLC 485 Port Pin … Read more
Hello everyone, good evening! How have you all been recently? Has the pandemic affected you in any way? Today is still a technical article: Siemens PLC Communication – Modbus RTU Communication – New Features of S7-1200 Modbus (RTU) Instructions V4. Modbus RTU Communication: S7-200 smart Modbus RTU master station communication (√) S7-200 smart Modbus RTU … Read more
Click on the top “Technical Training“, and select “Pin Public Account” 130,000+ industrial control professionals follow this WeChat platform: Technical sharing, learning exchange, industrial control videos To make the display on our touch screen more intuitive, we usually need to implement some animation functions on the touch screen. There are two common types of animation … Read more
Click the image below to enter the industrial control industry platform The control of the PLC itself is completed by changing the state of control registers D, input ports X, soft relay states M, and time relay states T. Therefore, as long as you can modify the states of these variables, you can control the … Read more
Using Siemens touch screen software (WINCC flexible SMART) and Siemens S7-200SMART series PLC to achieve online simulation functionality with the simulation software of WINCC flexible SMART and S7-200SMART series PLC. The main steps to achieve this functionality are as follows: 1. Establish a communication driver connection with the S7-200SMART series PLC in the connection item … Read more
Today, I will share with you a practical case involving a water level control project using PLC, inverter, and touch screen. Let’s take a look at the whole process, which you can save for future reference! ● Project Description ● EM235 Module ● Project Implementation ● Touch Screen Monitoring 1. Project Description 1. Control Requirements … Read more
Over 90,000 friends have followed this industrial control WeChat platform:Technical sharing,Learning exchange,Industrial control videos “Free Online Trial” This course provides a detailed explanation of the hardware functions and system composition of Siemens panels, as well as the various software functions. Upon completion, you will be able to independently design, select, configure, and integrate HMI systems. … Read more