1. PLC Control Motor Start and Stop Circuit 2. Wiring Relationships of PLC Inputs and Outputs 3. Working Principle of Frequency Converters 4. Switching Circuit Between Frequency Converter and Power Frequency 5. Control Circuit for Switching Between Frequency Converter and Power Frequency Mode 6. How to Connect PLC with Frequency Converter 7. Wiring Diagram for … Read more
Content Overview The frequency converter is an electrical device. For safe operation, ensure that the frequency converter is powered off, and wait for more than 5 minutes after disconnection. Additionally, the input power lines R, S, T and output lines U, V, W must be removed before proceeding! ▲ Frequency Converter Main Circuit Diagram Module … Read more
Abstract:This article introduces an energy-saving transformation system for frequency converters based on Siemens touch screens and PLC closed-loop control. The use of touch screens and PLCs in closed-loop controlled frequency energy-saving systems allows operators to directly set target values (such as pressure and temperature) on the touch screen. The PLC compares these with actual values … Read more
Do not think about whether you can succeed, since you have chosen the distance, just focus on the journey through wind and rain; do not think about whether cold winds and rain will come from behind, since the goal is the horizon, all that is left for the world is your silhouette! Keep it up! … Read more
In the wave of industrial development, electrical control systems have always been the core force driving the improvement of production efficiency. From traditional button control to today’s PLC+HMI intelligent control, each technological iteration brings a qualitative leap. Today, let us step into the world of electrical transformation,exploring the secrets of upgrading button control to PLC+HMI … Read more
I have previously worked with microcontrollers and various models of frequency converters including Mitsubishi D700, Siemens G120, Omron 3G3JZ, Panasonic VF200, Delta VFD-M, Xinjie VB3, Yonghong FID-B10, Chande IS7, Inovance MD500, Invt Goodrive10, Schneider ATV12, Haiwei E, Holley HGD303, Taian F510, Hexin F2A, Rockwell PowerFlex-4, Fuji FRENIC-VP, Boke CV20, Yaskawa A1000, and Weichuang Artrich-AR60T. Most … Read more
Control Requirements Three switches are used to operate the PLC to control the frequency converter driving the electric motor for delayed forward and reverse operation. One switch is used for forward control, one switch is used for stop control, and one switch is used for reverse control. When the forward switch is closed, the motor … Read more
Click on the top “Technical Training” to select “Pinned Public Account” Over 110,000 industrial control professionals follow this WeChat platform: Technical sharing, learning exchange, industrial control videos Recently, many students have been asking about the MODBUS communication of the S7-200 series PLC, so today I will write an article to discuss how to use the … Read more