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找到约 414 项符合 STEP 的查询结果

技术资料 WinAC控制器在过程控制中的应用

介绍了WinAC SLOT 412 的软、硬件组成,以WinAC SLOT 412 为控制器构成了过程控制系统,详细描述了系统的结构。利用STEP7 软件完成了硬件组态和过程控制程序的编写。人机监控功
https://www.eeworm.com/dl/927712.html
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单片机编程 AT89C2051驱动步进电机的电路和源码

AT89C2051驱动步进电机的电路和源码:AT89C2051驱动步进电机的电路和源码 程序:stepper.c stepper.hex/* * STEPPER.C * sweeping stepper's rotor cw and cww 400 steps * Copyright (c) 1999 by W.Sirichote */#i nclude c:\mc5151io.h /* include i/o header file */ #i nclude c:\mc5151reg.hregister unsigned char j, ...
https://www.eeworm.com/dl/502/30858.html
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电源技术 DN436微型全桥压电马达驱动器

  Piezoelectric motors are used in digital cameras for autofocus,zooming and optical image stabilization. Theyare relatively small, lightweight and effi cient, but theyalso require a complicated driving scheme. Traditionally,this challenge has been met with the use ofseparatecircuits, inclu ...
https://www.eeworm.com/dl/505/24328.html
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模拟电子 利用数字电位器调整并校准升压型DC-DC转换器

The purpose of this application note is to show an example of how a digital potentiometer can be used in thefeedback loop of a step-up DC-DC converter to provide calibration and/or adjustment of the output voltage.The example circuit uses a MAX5025 step-up DC-DC converter (capable of generating up ...
https://www.eeworm.com/dl/571/21189.html
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系统设计方案 本论文提出的“基于PLC的工业以太网控制的实现”

本论文提出的“基于PLC的工业以太网控制的实现”,是通过研究工业以太网与西门子S7-300系列PLC,最终实现交通灯信号控制。安装有STEP7软件的上位机通过以太网与CPU315-2DP的以太网部件连接,在CPU315之间实现硬件组态。并在计算机中利用STEP7软件编写程序。利用计时器、比较指令等方法模拟交通灯控制,并将此模拟程序下载到 ...
https://www.eeworm.com/dl/678/133270.html
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文章/文档 首先从起始点开始看它的八个方向中有几个方向可以走

首先从起始点开始看它的八个方向中有几个方向可以走,假如有5个方向可走,再看这5个位置下一步分别有几步可走,把这个值赋给一个数组s[],再对数组进行从小到大排序,然后从5步中s[]值最小的走,依次递归,每次从s[]值最小的走,如果步骤号step等于棋盘规格m*n,则说明全部走完了;如果遇到无路可走的情况,step--,退回到 ...
https://www.eeworm.com/dl/652/324453.html
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技术资料 西门子自整定控制的C语言

该文件为西门子上的PID控制,已经成功移植,西门子PID程序(FB58)的C代码带自整定功能(当你读懂后你就能体会伟大的西门子过程控制的精妙以及STEP7命名的由来)
https://www.eeworm.com/dl/835212.html
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电源技术 电感开关稳压器提高输入电压

Abstract: Uses the MAX641 switching controller and an external discrete charge pump to step up the input voltage. This circuitcan service low loads and is efficient when the output is two, three, four times the input voltage. Adding the MAX627 MOSdriver can further increase the output current capa ...
https://www.eeworm.com/dl/505/24146.html
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开关电源 XRP7714 数字PWM降压控制器产品简介手册

XRP7714是一款四输出脉宽调制(PWM)分级降压(step down)DC-DC控制器,并具有内置LDO提供待机电源。该器件在单个IC上为电池供电的产品提供了整套的电源管理方案,并且通过内含的I2C串行接口进行整体的编程配置
https://www.eeworm.com/dl/520/36573.html
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matlab例程 Beginning with an introduction to 802.11b in general, 802.11 Security gives you a broad basis in the

Beginning with an introduction to 802.11b in general, 802.11 Security gives you a broad basis in theory and practice of wireless security, dispelling some of the myths along the way. In doing so, they provide you with the technical grounding required to think about how the rest of the book applies t ...
https://www.eeworm.com/dl/665/163743.html
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