Troubleshooting and working principle of the magnetic safety sensor, model, and wiring 1. Fault 2. Based on the alarm prompt, it may be a signal issue. Check the device I/O and find that after the door lock is closed, the corresponding signal 324S1 of the magnetic safety sensor is not 1, and the green indicator … Read more
1. Wiring according to the diagram is the highest principle and should not be overlooked.First, before wiring, it is essential to carefully read the drawings and fully understand the designer’s intentions, rather than relying on personal so-called rich experience. If any unclear or contradictory points are found, the designer should be contacted immediately for confirmation … Read more
01 Introduction This PWM 360 motor is controlled by PWM signals. Compared to ordinary DC motors, it can control the rotation speed without additional drivers, has high torque, and features stall protection, but its rotation speed is not as fast. 02 Principle The introduction and usage of PWM principles can be referenced in my previous … Read more
It is common for technicians to encounter the issue: why can’t my touch screen communicate with the PLC? For example, here are two common problems: 1. The Weintek touch screen cannot communicate with the Siemens PLC, and it keeps indicating that the PLC is unresponsive. What settings should be adjusted? Solution Approach: Ensure that the … Read more
PLC automation control is widely used in electrical automation and intelligent control, which is well known among personnel in the electrical industry. In addition to requiring the input of predefined programs, PLC automation control also requires wiring for input and output ports of the PLC itself. Only when the program instructions of the PLC are … Read more
Writing information to the LCD screen. Making the LCD display your own information not only brings satisfaction but is also very useful. Required Components – Arduino circuit board – breadboard – jumper wires – 1602 LCD screen (compatible with Hitachi HD44780) – 50k ohm potentiometer Required Arduino Libraries • LiquidCrystal Working Principle We will use … Read more
There are two types of power supplies for PLC systems: external power supply and internal power supply.The external power supply is used to drive PLC output devices (loads) and provide input signals, also known as user power supply. The external power supply for the same PLC may have multiple specifications. The capacity and performance of … Read more
01 Introduction This kit is specifically designed for LEGO motor products, supporting: LEGO M motors, LEGO L motors, LEGO XL motors, and Monster motors. It not only supports direct power supply from the LEGO battery box but can also control the motor’s rotation and stop using two IO ports of a microcontroller with high and … Read more
Before reading this article, you can click on the blue text above“Power Forum”, and after “following”, you can star or pin the public account so that you can receive the highest quality articles and the latest materials in a timely manner. 01 Pay Attention to Power Supply Installation There are two types of power supplies … Read more
10. Reed Switch Sensor Preparation Six different colored DuPont wires (male to female) Reed switch sensor module Bi-color LED module (Note: For the list of Raspberry Pi and related accessories, please refer to previous articles on the public account.) Experiment Content Use the reed switch sensor module as an input device for the Raspberry Pi. … Read more