Knowledge

We all know that the motor's three-phase stator winding through the current generates a rotating magnetic field, according to the principle of magnetic induction, the motor's shell will produc

PLC beginners, learning to program, first of all, to understand what the process of PLC program execution. PLC program execution is divided into three phases: input sampling phase, program execution p

1. PLC and host computer (or touch screen) monitoring system, in the screen many times need to have "manual", "automatic" and other control modes (generally more than one can only

Frequency converter selection to determine the following points. 1) the purpose of using frequency conversion; constant pressure control or constant current control, etc.. 2) the type of load of the f

Inverter setting parameters are numerous, each parameter has a certain selection range, the use of individual parameters are often encountered due to improper setting, resulting in the inverter can no

PLC three large quantities:switch quantity, analog quantity, pulse quantity. As long as you figure out the relationship between the three, you will be able to skillfully master the PLC Calculation of

Hello, we have talked about NPN sensors and PNP sensors many times before, what is the difference between these two sensors? PNP sensors, also known as "source input", the current is flowing from the

Introduction: What is position control, position control is a more common control method in the field of industrial control, usually used in the position of mechanical equipment movement control, such

Introduction: Industrial robots are usually mechanical devices used for manufacturing applications in a factory environment, and its emergence has reduced the labor intensity of workers and improved t

Introduction: What is position control, position control is a more common control method in the field of industrial control, usually used in the position movement control of mechanical equipment, such

Various inverter manuals have a lot of time-related concepts and terms, now their definitions are as follows Acceleration time: motor starting frequency from 0Hz to 50Hz acceleration time is called ac

First of all, the modbus protocol, mainly divided into three kinds: 1. For the serial port: Modbus RTU, Modbus ASCHl, commonly used serial port RS232/RS422/RS485 2. For the network interface: Modbus T