Troubleshooting Inverter Circuit Boards Generally speaking, the printed circuit boards on an inverter mainly include the drive board, main control board, and display board. The factors affecting the lifespan of the inverter’s printed circuit boards include the lifespan characteristics of the smoothing capacitors in the power supply section and the buffer capacitors in the IPM … Read more
Must-Read Books for Learning PLC (E-book Download Link) The inverter circuit board mainly includes the power board, control board, driver board, and panel. 1. Resistor Resistors are represented by the letter R on the circuit board, with units including: ohms (Ω), kilohms (KΩ), megohms (MΩ). Resistor symbols include: 1. Fixed resistors, adjustable resistors, special resistors … Read more
I remember when I first joined the industry, I took over a project to upgrade an injection molding machine. The communication between the inverter and the PLC was always intermittent. After several days of troubleshooting, I discovered that the grounding was not done correctly, which caused interference. Today, I will share my experiences and techniques … Read more
Search on WeChat Technical Training The PLC and the inverter have a relationship of inclusion and being included. Both can execute specific commands to control electric motors. The PLC is a hardware device for program input execution, while the inverter is one of them. However, the scope of the PLC is broader than that of … Read more
The relationship between PLC and inverter is one of inclusion, where both can execute specific commands to control electric motors. The PLC is a programmable hardware for executing programs, while the inverter is one of the devices it can control. However, the PLC’s scope is broader than that of the inverter, enabling it to control … Read more
Click the above ” Technical Training ” and select “Pin the Official Account“ 160,000+ industrial control professionals follow this WeChat platform: technical sharing, learning exchange, industrial control videos Methods for Mitsubishi PLC to Control Mitsubishi Inverters: Using the PLC’s digital output to control the inverter (i.e., directly connecting the PLC’s digital output to the inverter’s … Read more
Search on WeChat Technical Training Preparation Required hardware: Mitsubishi FX3G PLC, RS485 communication module (FX3G-485BD), one Inovance inverter, touch screen (MT6071IP). Required knowledge: PLC communication protocol, command sending, inverter communication parameter settings. Wiring The wiring is quite simple. Insert the FX3G-485-BD module into the PLC, short SDB and RDB, short SDA and RDA. Connect the … Read more
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
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
Search on WeChat Technical Training I have previously worked with microcontrollers and various models of inverters such as Mitsubishi D700, Siemens G120, Omron 3G3JZ, Panasonic VF200, Delta VFD-M, Xinjie VB3, Yonghong FID-B10, Chint IS7, Inovance MD500, Yaskawa Goodrive10, Schneider ATV12, Haiwei E, Holley HGD303, Taian F510, Hexin F2A, Rockwell PowerFlex-4, Fuji FRENIC-VP, Boke CV20, Yaskawa … Read more