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What is the essential difference between PLC and SCM?
1. PLC is a relatively mature control system composed of single chip microcomputer, and it is the product of a mature and stable single chip microcomputer application system that has been debugged. It has strong universality. 2. Microcontroller can constitute a variety of application systems, wit...Read more -
Summary of 13 learning experiences on PLC programming
PLC programming is an electronic system for digital operation. It uses programmable memory to store the instructions for executing logic operation, sequence control, timing, counting and arithmetic operation, and control various types of machinery or production processes through digital and analo...Read more -
Easy to master PLC control system design
Design principle of PLC control system (1) Practicability Practicality is the basic principle of control system design. While studying the controlled object, engineers should also understand the use environment of the control system, so that the designed control system can meet all the requiremen...Read more -
Steps for correct power off and power on of DCS
DCS power off correctly When the DCS needs to be powered off for maintenance due to overhaul or other reasons, we often directly power off the DCS, but sometimes this non-standard operation will bring serious consequences, such as configuration loss, PID parameter loss, etc. Therefore, it is nece...Read more -
How to distinguish large, medium and small PLC?
There are many kinds of PLC products, and their specifications and performance are also different. The classification of PLC is generally based on the difference of its structure, function and I/O points. 1. Classification by I/O points (1) Small computer. The total number of input and output poi...Read more -
PLC controller’s main anti-interference measures
For the PLC controller power supply, should use non-power line power supply, directly from the low-voltage distribution room on the main bus using a special line power supply. Choose isolation transformer, and transformer capacity should be larger than the actual needs of about 1.2 to 1.5 times, ...Read more -
PLC automatic control system common problems analysis
In the actual commissioning process, sometimes there is such a situation, a software system from the theoretical extrapolation can fully meet the process requirements of machinery and equipment, and in the operation process in any case can not be put into normal operation, in the process of syste...Read more -
Output loop design considerations in PLC control systems
1.Output mode selection (1) relay output: the advantage is that different common points can be brought between different AC and DC loads, and the voltage can also be different, with load current up to 2A / point; but the relay output mode is not suitable for high-frequency action of the load, whi...Read more -
Introduction to the main performance indicators of PLC
1.Storage capacity Storage capacity refers to the capacity of the user program memory. The capacity of the user program memory is large enough to prepare complex programs. Generally speaking, the user memory capacity of small PLC is several thousand words, while the user memory capacity of large ...Read more -
Common sense of PLC maintenance
1、 Maintenance procedures, regular equipment testing and adjustment regulations (1) Check the connection of the wiring terminals in the PLC cabinet semiannually or quarterly, and if any looseness is found, re firmly connect it in time; (2) Re measure the working voltage of the power supply in th...Read more -
IS220PDIIH1B IS230SNIDH1A IS200SDIIH1ADB arrival of goods
The difficulty of core making has always been a hot topic in the past two or three years. Domestic enterprises are also speeding up to make up for the shortcomings of chip design. However, in the high-performance CPU market, there is not much successful experience in China. As ye Tianchun, direct...Read more -
every minute counts! Schneider Electric rushed to the construction of Xiaotangshan Hospital
Recently, novel coronavirus novel coronavirus pneumonia was launched in Hubei and Beijing. The hospital in 2003 was launched in Beijing and Xiaotangshan. In January 27th, the Guangxi Zhuang Autonomous Region novel coronavirus hospital was designated as a new hospital for the treatment of pneumoni...Read more -
Artificial intelligence refers to a discipline that simulates human intelligence through machines
Industry 4.0 Industrial Internet of Things Intelligent manufacturing Industrial big data Made in China 2025 Industrial robot Machine vision Wisdom Factory Digitization Artificial I...Read more -
Our company organized a team building and carried out an exercise and improvement on our thinking, ability and physical strength.
Our company organized a team building and carried out an exercise and improvement on our thinking, ability and physical strength. Through these two days of group building learning, I am very grateful to the families of the tyrants, and also to the group’s deep understand...Read more