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2.3WINCC Configuration WINCC configuration first creates variables. Since it does not need to be connected to the PLC, only internal variables need to be created. The other is the configuration scr...[Details]
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Low power mode Sleep, enter low power mode by executing a sleep instruction. If enabled, MDT will be cleared to 0, but still keep running. TO (STUATUS 4 ) bit is set to 1, PD bit (STUATUS 3 ) is cl...[Details]
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Working principle and solution
Current situation:
With the rapid development of national economic construction, port business is becoming increasingly active. Whether it is an inla...[Details]
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Benefiting from the strong demand in new energy vehicles, photovoltaics and other fields, the supply of aluminum electrolytic capacitors has been tight since the second half of last year. As early as...[Details]
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1. Types of power supply systems: 1. Classification by output characteristics: Generally speaking, the task of the power supply in the electrical system is to provide electrical energy for various ...[Details]
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According to a recent paper published in the journal Nature Electronics, engineers from the Massachusetts Institute of Technology and the California Institute of Technology have demonstrated a swallo...[Details]
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Introduction to microcontroller interrupts The 52 microcontroller has a total of 6 interrupt sources. Their symbols, names and conditions for each generation are as follows: INT0 - External interrup...[Details]
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The comparator is a device that looks simple but is extremely painful. If you are a student who has just learned analog electronics technology, when you use it for the first time, you will not only b...[Details]
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On November 17, the CALB strategic conference with the theme of "Shared Greatness and Shared Beauty" was held in Changzhou. Guests from the government, shareholders, customers, supply chain partner...[Details]
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Thermostatic expansion valve adjustment prerequisite
1. Before adjusting the thermal expansion valve, it must be confirmed that the refrigeration abnormality is caused by the thermal expansion...[Details]
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On August 3, Goodix Technology (SH: 603160), a provider of chip design and software development overall application solutions, announced that it has completed the acquisition of the industry's top sy...[Details]
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The businesses that power grid enterprises can carry out include two categories: regulated businesses and market-oriented businesses. There are obvious differences in the laws and regulations, busi...[Details]
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1. Introduction
Electricity monitoring and management refers to: using modern electronic technology, communication technology, computer and network technology in combination with power equipment to...[Details]
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After decades of development of laser technology, laser weapons have gone from theory to practice. The emergence of a large number of laser weapons has brought increasingly severe threats. The detec...[Details]
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The parallel P3 port of the MCS-51 series microcontroller is a multi-function port. Its first function is a quasi-bidirectional port, which can be used as a general I/O port. Its characteristics ...[Details]
RF/Wirelessly
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