Technical Articles

Shenyang Vhandy Technology Co., Ltd. has published these technical articles:

(Process Controllers)
From this Article:
Why do servo manufacturers choose absolute encoders? We know that the encoder is one of the most important structures of the servo system, and it is also the first element that distinguishes it from...
(Process Controllers)
From this Article:
CANopen can be defined in basic terms as the communication language used when transferring data on the CAN bus. The definition of data information by the sender and the receiver needs to follow a...
(Bus Systems)
From this Article:
It is worth noting that with the introduction of CAN FD, CANopen FD, as the next generation CANopen standard, may play an increasingly important role. Compared with the CAN bus and the J1939 protocol,...
(Process Controllers)
From this Article:
Servo motor is a big concept. If any motion motor is equipped with an encoder structure and can realize motion feedback correction, we can call it a servo motor. Generally speaking, the larger the...
(Networking Equipment)
From this Article:
The CANopen distributed IO is an IO coupler integrated with a CANbus interface. It can be connected to a PLC that supports CANopen communication through the CANopen bus and act as a slave tool for the...
(Process Controllers)
From this Article:
The automatic control system for wastewater treatment can efficiently realize the treatment of industrial wastewater, without the need for too many workers to monitor on site, and avoids the safety...
(Computer Peripherals)
From this Article:
PLC interface and its functions (1) Input interface: Accepts the signal of the controlled device and drives the internal circuit to turn on or off through the coupler device and the input circuit. (2)...
(Bus Systems)
From this Article:
When we are carrying out the construction of cross-sea bridges, we definitely need the unified dispatching and use of all kinds of construction machinery, so how do they connect? Of course it is a...
(Bus Systems)
From this Article:
CANopen is a control bus with one master and multiple slaves, and PLC can play the role of master controller in it. Compared with other field buses, the most prominent feature of CANopen is low...
(Process Controllers)
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We are a country rich in coal and low in oil. Coal has always been in an absolute leading position in the composition of energy utilization. Even after many years of energy conservation and emission...
(Process Controllers)
From this Article:
Printing machines are very common in our lives. There are all types of machines in workplaces, canteens, and advertising companies. Different printing machines can print different products, and the...
(Process Controllers)
From this Article:
The electroplating process is the process of plating a thin layer of other metals or alloys on the surface of some metals by using the principle of electrolysis, which can add some new characteristics...
(Process Controllers)
From this Article:
Gantry cranes are mainly used for loading and unloading operations of outdoor cargo yards, material yards, and bulk cargo.To manufacture large ships, giant gantry cranes are essential. In addition,...
(Bus Systems)
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CAN fiber optic module is also called CAN to fiber optic repeater, which generally realizes the purpose of remote CAN relay of several kilometers or even tens of kilometers. Currently, there are three...
(Data Acquisition)
From this Article:
The Bus IO coupler is a typical slave tool. It can only be used with the master device, usually a controller such as a PLC. We know that if PLC wants to achieve automatic control, it must first...
(Process Controllers)
From this Article:
Integrated stepping servo belongs to the category of stepping servo. It is an industrial control execution structure commonly used in the field of automated production. Its operation can drive the...
(Signal Converting)
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We know that there are several buses in a car to connect various devices, such as CAN bus, LIN bus, MOST bus and so on. The above types of buses have different characteristics, different speeds, and...
(Process Controllers)
From this Article:
The scientific name of PLC is programmable logic controller, which is an essential machine for realizing industrial automation production. Next, let's talk about what environmental factors should be...
(Process Controllers)
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The length of the sausage sold in the cooked food restaurant is different, and it is often sold according to how much money per catty is. However, the "ham sausage" used by instant noodles is...
(Process Controllers)
From this Article:
Until the PLC was created in 1968, industrial processes were handled by a series of hardwired relay banks, timers, and counters. These banks required a large amount of space and were time consuming to...
(Process Controllers)
From this Article:
According to the different types of servo integrated motors, they can be divided into two categories: high-voltage servo and low-voltage servo. Low-voltage servo is often a servo type with a motor...
(Process Controllers)
From this Article:
When we choose PLC as the controller for the construction of industrial automation production line, we have to go through steps to make our process accurate. Therefore, the early process and...
(Signal Converting)
From this Article:
Engineers who has been in CAN bus field all know although CAN bus has ultra high baud rate, stable and fast speed transmission and a number of collected node devices, it still could not replace the...
(Data Acquisition Products)
From this Article:
Do you know the difference between high-speed CAN and low-speed, fault-tolerant CAN? Recently, Engineer Li from a company in Guangzhou contacted us and said that he found our USBCAN analyzer could not...
(Process Controllers)
From this Article:
The more communication ports on the PLC, the better? This is indeed the case, the more the number and types of communication ports integrated in the device, the more flexible applications it can have....
(Signal Converting)
From this Article:
Unlike other CAN converters, there are many types of CAN fiber optic module devices, why? Because it has too many subdivision methods that can mainly be divided into four categories. At the same time,...
(Process Controllers)
From this Article:
Motors are also called electric motors and motors, which are very common in our daily life. So, what are the common types of motors? To put it simply: From the top level, motors are divided into DC...
(Process Controllers)
From this Article:
PLC is a programmable logic controller. At present, it is mainly divided into two categories: integral PLC and extended PLC. Whether it is integral or extended, there are actually only a few...
(Process Controllers)
From this Article:
Servo motors are also called slave systems, which means very obedient machines. Compared with other motors, the biggest advantage of servo motors is precise control. So why is the servo control so...
(Process Controllers)
From this Article:
Closed-loop servo is actually a servo motor, because it has an encoder structure that can feed back the motion state of the motor to form a closed-loop control. Compared with other open-loop control...
(Bus Systems)
From this Article:
Communication is the communication between two or more parties, and a communication protocol is a communication method that two or more parties need to abide by. For example, it is now stipulated that...
(Process Controllers)
From this Article:
The scientific name of PLC is programmable logic controller, which is mostly used in the field of industrial control. You can compare it to the human brain. In the automatic production process, PLC...
(Networking Equipment)
From this Article:
PLC manufacturers should also have this awareness, and don't keep betting on one place, which is too risky. You have to continuously launch new products and new types of equipment, and cook hot and...
(Process Controllers)
From this Article:
PLC is also called Programmable Logic Controller, the full English name is Programmable Logic Controller, and sometimes referred to as PC. Of course, this PC is only used in the field of industrial...
(Bus Systems)
From this Article:
Of course, if you are used to using OpenPCS software, you can also choose to flash the corresponding kernel. Why bother to support Codesys? Because it has the following advantages:...
(Process Controllers)
From this Article:
PLC is an important industrial control automation equipment, which often plays the role of master station controller. At present, major international industrial control companies are sparing no effort...
(Signal Converting)
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Why does the CAN-to-Ethernet converter use an ARM chip instead of an X86 chip? There are two main reasons. First of all, the ARM architecture chip is used to process the data of the CAN network...
(Process Controllers)
From this Article:
Recently, China Industrial Control Network released the "China PLC Market Analysis Report 2023", which conducted a comprehensive survey and analysis of the development status, market size, competitive...
(Process Controllers)
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The main difference between DCS (Distributed Control System) and SCADA (Supervisory Control and Data Acquisition) systems is the scale at which they are used and the level of control they provide....
(Process Controllers)
From this Article:
There are many reasons for PLC system errors. The following are some common problems and preventive measures....
(Process Controllers)
From this Article:
Raspberry Pi is a low-cost, credit-card-sized computer that can be used for a variety of purposes. Here are some examples of what you can do with Raspberry Pi:...
(Process Controllers)
From this Article:
Have you ever wondered what is the frequency of the CPU used by the PLC?...
(Process Controllers)
From this Article:
Programmable Logic Controllers (PLCs) are integral to industrial automation and industrial process control. They manage various actuators, analog, and digital sensors, and communicate complex...
(Process Controllers)
From this Article:
A Programmable Logic Controller (PLC) is a computer designed to operate reliably under harsh industrial environments such as extreme temperatures, wet, dry, and/or dusty conditions. PLCs are used to...
(Process Controllers)
From this Article:
Baud rate is the rate at which the number of signal elements or changes to the signal occurs per second when it passes through a transmission medium. The higher a baud rate is, the faster the data is...
(Bus Systems)
From this Article:
Modbus Protocol is a messaging structure developed by Modicon in 1979. It is used to establish client-server communication between intelligent devices. Modbus has become a standard communication...
(Bus Systems)
From this Article:
In position control mode, the control system achieves precise positioning by controlling the position of the servo motor. An encoder or other position sensor is usually used to feed back the actual...
(Industrial Computing)
From this Article:
Do you know the concept of a programmable gateway, which refers to a gateway device that can flexibly modify the program?...
(Process Controllers)
From this Article:
Voltage output IO can be used to control actuators, such as relays, solenoid valves, motor drivers, etc....
(Process Controllers)
From this Article:
Stepper servos and stepper motors are both the same device, but they work and are controlled differently. A stepper motor is a common motor. Its working principle is to make the motor rotor rotate...
(Process Controllers)
From this Article:
Compared with the ordinary motor, the servo motor has an encoder structure, which will move synchronously with the motor rotor, continuously collect the torque, speed and position information of the...
(Networking Equipment)
From this Article:
Can a CAN bus IO module act as a controller? The answer is of course no! Because it does not have the master station control function....
(Networking Equipment)
From this Article:
CAN optical transceiver is a CAN gateway converter integrated with CANBUS interface and optical fiber interface, which can transmit CAN data remotely through optical signals and realize...
(Bus Systems)
From this Article:
The main difference between single-mode fiber and multimode fiber lies in transmission distance, bandwidth and dispersion....
(Networking Equipment)
From this Article:
(1) Number of input and output points: According to the number of input and output points supported by PLC, it can be divided into small PLC, medium PLC and large PLC. Generally speaking, small PLCs...
(Bus Systems)
From this Article:
Of course, the use of PLC control for combined machine tools has become a major trend in modern manufacturing....
(Bus Systems)
From this Article:
EtherCAT and PROFINET are both real-time Ethernet-based fieldbuses that are used in industrial automation applications. Both protocols have 100Mbps baud rate, and use Ethernet as the base layer in the...
(Process Controllers)
From this Article:
Among them, the power supply is responsible for providing power support to the equipment, and the more common specification is 9-30VDC. The input IO port is responsible for collecting digital or...
(Industrial Computing)
From this Article:
PLCs of different models and specifications have different processing capabilities. High-end PLCs are usually equipped with more powerful processors and larger memory capacity, capable of handling...
(Process Controllers)
From this Article:
First of all, we have to mention two professional terms, rotor and stator. The rotor is the part that rotates and is usually attached to the drive structure, while the stator is the non-moving part...
(Process Controllers)
From this Article:
Ice manufacturing plants play a crucial role in meeting the demand for ice in various industries, including food and beverage, healthcare, and entertainment. To optimize ice production and streamline...
(Process Controllers)
From this Article:
The servo motor has an encoder structure, which can realize the industrial control execution structure of motion feedback. It is generally connected to the PLC through the bus to realize precise...
(Networking Equipment)
From this Article:
The high-level protocols of the CAN bus mainly include the following...
(Bus Systems)
From this Article:
CAN to fiber optic repeater, also called fiber optic CAN bridge, is a tool for transmitting data by means of optical signals instead of CANBUS electrical signals. The setting method of the fiber optic...
(Networking Equipment)
From this Article:
To improve the anti-interference ability of the CAN bus optical transceiver, the following measures can be taken:...
(Networking Equipment)
From this Article:
When the PLC power supply is insufficient, the following methods can be adopted to solve the problem: (1) Check the power line: First, check whether the power line of the PLC is connected normally,...
(Process Controllers)
From this Article:
The so-called strong electricity refers to the electricity that is mainly used for energy transmission, such as electric fans will turn when they are supported by electricity, lights will turn on when...
(Networking Equipment)
From this Article:
IO is an important part of PLC. The collection of PLC information and the output of instructions must be applied to various input and output IOs....
(Process Controllers)
From this Article:
The application of Leaky Bucket PLC is a common method for achieving flow control and regulation in various domains such as computer networks, production pipelines, water treatment, power systems, and...
(Bus Systems)
From this Article:
Industrial Ethernet is a field bus developed based on Ethernet system that is more suitable for use in industrial production environments....
(Process Controllers)
From this Article:
(1) RUN indicator light: Indicates that the PLC is running. If the RUN indicator is off, it means that the PLC has not started normally or has a fault. (2) ERR indicator light: Indicates that an error...
(Networking Equipment)
From this Article:
The GCAN Ethernet CAN gateway is a data converter integrating one Ethernet interface and two CANBUS interfaces, which can be connected to a computer and CANBUS communication equipment to realize...
(Process Controllers)
From this Article:
The motion accuracy of stepping servo motors is related to the following factors: (1) Step angle: The step angle of the stepper motor determines the amount of rotation for each step. Usually, the step...
(Process Controllers)
From this Article:
PLC can be used to monitor and manage the power output and load demand of the solar system. By connecting sensors and measuring devices, PLC can monitor the power generation of solar panels, battery...
(Process Controllers)
From this Article:
In the staple machine control project, PLC (programmable logic controller) can play the following main purposes: (1) PLC can be used to control various movements of the staple machine, such as paper...
(Networking Equipment)
From this Article:
(1) PLC can realize the comprehensive automatic control of the automatic loading system. Through programming settings, automatic loading, unloading, positioning, transportation and other operations...
(Process Controllers)
From this Article:
Safety: Natural gas dosing equipment involves gas transportation and processing, and safety is the primary consideration. Ensure that the PLC system has the necessary safety protection functions, such...
(Process Controllers)
From this Article:
Programmable Logic Controllers (PLCs) are widely used devices in automation control systems, becoming the core components for controlling and monitoring various processes in the industrial sector....
(Process Controllers)
From this Article:
In the realm of modern automation, Programmable Logic Controllers (PLCs) are crucial tools. They find extensive application in industrial automation, robotics, and various other fields, serving to...
(Motors)
From this Article:
We know that there are generally four working modes of the servo system....
(Data Acquisition Products)
From this Article:
S-type thermocouple IO generally refers to the type of IO interface on the PLC for temperature analog signal acquisition, and can also refer to the temperature acquisition IO expansion module that the...
(Process Controllers)
From this Article:
As an engineer, I was dispatched to a factory to solve an urgent problem: the loss of data in their PLC (Programmable Logic Controller). This posed a serious issue for the factory's normal operations...
(Networking Equipment)
From this Article:
1. Industrial automation control system: RS485 CANopen gateway can connect different industrial automation control equipment to realize data exchange and control. 2. Smart home system: RS485 CANopen...
(Bus Systems)
From this Article:
Single-turn and multi-turn encoders are devices used to measure the rotational position of servo motors, and the difference between them is mainly in the measurement range and accuracy. Single-turn...
(Process Controllers)
From this Article:
Once upon a time, in the bustling town of Industrialville, there existed a factory known as Reliable Manufacturing Co. The factory was renowned for its high-quality products and efficient production...
(Bus Systems)
From this Article:
Before we use the Ethernet CAN gateway, we need to configure various parameters, including the connection mode setting of the device. There are two common Ethernet CAN gateway connection modes, namely...
(Process Controllers)
From this Article:
One sunny morning, the production line came to a grinding halt, leaving everyone perplexed. The factory floor was filled with a cacophony of anxious voices as workers scrambled to identify the source...
(Networking Equipment)
From this Article:
Have you ever encountered a situation where a seemingly small error in pin definition halted your GCAN PLC project? As a PLC engineer, I understand the frustration that comes with such issues. In this...
(Industrial Computing)
From this Article:
Ethernet CAN devices are generally integrated with one Ethernet port and two CAN ports, which can realize the intercommunication between computers and CANBUS communication devices. Before using the...
(Process Controllers)
From this Article:
From a macro perspective, a complete stepper motor includes the motor body, motor driver and connecting cables....
(Signal Converting)
From this Article:
Analog IO refers to the input and output interfaces used to measure and control analog signals. Common analog IOs include the following: The first type: Analog input (AI): Analog input refers to...
(Process Controllers)
From this Article:
When we purchase PLC and other equipment, we often see the item of IP level, such as IP20, IP65 and so on. The full name of IP level is IP protection level, which is the dustproof and moisture proof...
(Bus Systems)
From this Article:
When we buy a stepper motor, we often see how many phases does this stepper motor have, what does this phase mean here?...
(Bus Systems)
From this Article:
What is a Bus? The Bus is a public communication line, any device can connect to it. For example, now there are three devices A, B and C connected to the bus, if A wants to communicate with B, that...
(Process Controllers)
From this Article:
Engineers who often use PLC are familiar with digital and analog IO, so what is digital? According to Wikipedia, digital quantities are a kind of physical quantities, and their changes are...
(Networking Equipment)
From this Article:
(1) Machine tool processing: The integrated servo motor can be applied to various CNC machine tools, such as milling machines, lathes, drilling machines, etc., to achieve high-precision, high-speed...
(Networking Equipment)
From this Article:
Grabbing robots need to grasp and place objects with high precision and high speed, so high-performance servo motors are required to achieve precise motion control. Compared with other types of...