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Power supply wiring: S7-1200PLC power terminal L+ connects to the switch power supply +V, terminal M connects to the switch power supply -V. PLC's 3L+ connects to +V, 3M connects to -V.
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Smart speakers have become a must-have for many households, but choosing one requires caution about potential security vulnerabilities. Now, researchers have shown that hackers can control smart spea...[Details]
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Rockwell Automation Shian: Intelligent manufacturing is not the superposition of software and hardware technologies
(Shanghai, China, December 17, 2021) On December 10, the 2021 Worl...[Details]
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1. Process 1 and 2 are initialization processes. Each read must be initialized, otherwise 18b20 is in standby state and cannot be read successfully. Process 1: Pull down the signal line for 480-7...[Details]
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Introduction
This project explains how to use a digital voltmeter with a PIC microcontroller. A HD44780 based character LCD is used to display the voltage being measured. The PIC microcontroll...[Details]
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On March 28, data released by Shanghai Steel Union showed that the prices of some lithium battery materials fell on that day, with battery-grade lithium carbonate falling by 4,000 yuan/ton, with an av...[Details]
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1.Does the DG series have a power output function? No, it can achieve 10W power output when equipped with PA1011. 2. Why does the output not change when the output impedance switches between high...[Details]
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A small current generating circuit that can obtain UA-level current
Function of the circuit
A constant current source is a circuit that can provide a constant current when the load resistance ...[Details]
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Preface
UPS power supply is a key device used in the industrial field to protect the load from power failure. There are two types of power failure protection for different load applications. O...[Details]
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6410's interrupt system:
In the interrupt processing of embedded software, in addition to interrupt initialization, the main work is to write ISR.
In the CPU of embedded SOC, there are some...[Details]
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The technical framework of intelligent transportation mainly includes four parts: traffic collection, information transmission, information processing and information release. Traffic collection ...[Details]
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Abstract: Zero-transition PWM DC/DC converter is a DC/DC converter structure with low device stress and high efficiency, and is widely used. This paper introduces several novel zero-transition PWM ...[Details]
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Data acquisition is an extremely diverse and comprehensive measurement of temperature, pressure, humidity, strain, and a variety of other physical phenomena. In addition, these measurements may need t...[Details]
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Infineon Technologies AG said on Thursday it will invest 2 billion euros (about 2.27 billion U.S. dollars) to increase its manufacturing capacity in wide-bandgap semiconductors and build a third modu...[Details]
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Soft starters and frequency converters are two different electrical devices that have different characteristics and performance when starting motors. This article will introduce the starting torque...[Details]
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