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Industrial PC vs PLC: What is the difference?
2024-07-30 10:11:42
Table of Contents
- 1. Background and introduction of PLC (controllable programming logic):
- 2. What are the advantages of PLC?
- 3. What is an industrial PC and what are the industry applications of industrial PC?
- 4. What is the difference between industrial PC and PLC?
- 5. Where can I buy an industrial PC?
1. Background and introduction of PLC (controllable programming logic):
In the 20s of the 20th century, people connected various relays, timers, and contactors to form a control system with a certain logical relationship to control various production machinery, which is the traditional relay control system that industrial control people are familiar with, and its advantages are simple structure, easy to master, cheap, control requirements within a certain range, and the use area is very extensive, occupying a dominant position in the field of industrial control.
PLC is the most commonly used control equipment today, which can complete almost all tasks in the field of industrial control, and now PLC also has a strong processing capacity for analog quantities;
2. What are the advantages of PLC?
1. High reliability, with a certain anti-interference force:
In the industrial control industry, reliability is a must for all things, in the design and manufacturing process of PLC using large-scale integrated circuit design and strict quality control, PLC now has excellent anti-interference force, can run for a long time without failure, PLC can run more than 20,000h according to the relevant data show that it can run more than 20,000h without error.
2. One-stop service, perfect functions and wide coverage:
Although there are many types of PLC, but the characteristics of serialization and modularization of products, and software packaging bundles, users can flexibly compose various scales and different requirements of the control system, in addition to the basic logic processing ability, most of the modern PLC has perfect data computing capabilities, can be applied to most of the control fields.
3. The cost of learning programming language is low:
PLC generally adopts the easy-to-understand and masterable trapezoidal graphic language and the simple editing instruction program for industrial control, which has a large acceptance ability for industrial controllers, and the graphic symbols and expressions of the ladder diagram language are similar to the relay circuit diagram. People who don't understand computer principles or programming languages open the door.
4. The maintenance cost is reduced and the maintenance is more convenient:
PLC is used to store logic instead of wiring logic, which greatly reduces the external connection of control equipment, and has the ability of self-diagnosis, when PLC fails, it can check its own fault at any time, and promote it to technicians, so as to facilitate positioning and rapid repair.
5. Small size, light weight, low energy consumption:
Taking ultra-small PLC as an example, the smallest PLC is less than 100mm, the lightest weight is 150g, has extremely low power consumption, and can be loaded into the inside of the machine in a small size, which is the first choice for mechatronics industry applications.
3. What is an industrial PC and what are the industry applications of industrial PC?
The industrial PC is transformed from the original personal PC, which is more carefully divided into system mechanism modules, and is more suitable for application in industrial process control; Industrial PC inherits the rich software resources of personal PC, wide compatibility, convenient development and application, on the other hand, it adopts the advantages of STD bus industrial control in the structure and realizes modular design.
Industrial PCs including industrial panel PC ODM, semi ruggedised notebooks, industrial portable computers, 1u computers, and rugged tablet Windows 11 can cover 90% of industry applications, involving various fields, including but not limited to industrial automation production, security monitoring, medical and health, Internet of Things applications, financial industry, rail transit, new energy fields, high-end equipment manufacturing, information technology support, etc.
4. Industrial PC vs PLC: What is the difference?
Operation
The above-mentioned PLC will provide a set of software and hardware services, and the real-time operating system is also included in it, which can continuously monitor the input of connected devices and execute according to the decision commands of the operator's execution program, in addition, the operating system of PLC is specially designed for controlling related tasks, so PLC does not need to guard against viruses or malicious attack software;
An industrial PC can perform the same tasks as a PLC, but the operating system is capable of running applications that the PLC cannot execute. This function IPC is not only used for control, but also for industrial PCs to consolidate loads and reduce the footprint of hardware.
However, IPC's operating systems are Windows and Linux, which are more vulnerable to cyber attacks and need to be prevented or blocked with antivirus software and firewalls to mitigate the risk
Programming:
Another difference between an industrial PC and a PLC is the way the program is developed and executed, with a PLC executing the program by scanning and an industrial PC that usually requires driver software.
Industrial PCs run on today's Windows and Linux operating systems using C/C++/NET/Java/Python programming. All industrial PCs are more popular with developers, and they can also be more interactive with machines with the help of general-purpose programming languages such as C++ than ladder logic diagrams that require a certain amount of experience.
High-quality IPC
Compared to the quality of the two, both PLC and industrial PC can operate in extreme environments, but the internal structure of industrial PC is different from that of ordinary desktop computers, so industrial PCs are very rugged, and IPC has the following attributes:
1. The performance is comparable to that of ordinary PCs
2. Wide temperature design (-20-60°C)
3. It has high stability
4. Expandable multiple modules (including but not limited to GPU, AI acceleration card, COM card, RAID card, etc.)
5. More I/O interfaces than ordinary PC
5. Where can I buy an industrial PC?
Hangzhou XinDongtian Technology Co., Ltd. was founded in June 2008, is a design, production, sales, service as one of the professional industrial PC manufacturers, the company has been established for 16 years, SINSMART has always adhered to excellence, customer first service, to maintain each product perfect and exquisite. At present, the company has a mature product line, including but not limited to standard industrial computers, rugged embedded pc, etc.
At present, SINSMART is selling the following industrial computers, welcome to enter the official website to buy and purchase: https://www.sinsmarts.com/
SIN-610X-BQ670MA、SIN-610X-IZ270MA、 SIN-610X-WR680MA
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