LRMATE200IC

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描述

LRMATE200IC

万用表是电路板维修人员、工业设备维修人员、维修电工、家用电器维修人员等检查判断故障的主要仪表之一,可以这样说:“不管是各行各行业凡是具有电气电路的设备或机器,维修时都离不开万用表!”小编为了让更多朋友会使用万用表,特别编写出万用表的使用方法之指针万用表的使用法,供从事设备维修、设备维护、维修电工等职业的朋友们分享。
万用表的真实名称为三用表,因为它可以进行测量电压、电流、电阻三个方面的电气参数,所以生产厂家称其为三用表,又由于万用表在许多电气维修场合都能使用,人们也习惯称之为万用表,表明其应用广泛。本文以应用较为广泛的500型指针式万用表为例详细说明其使用方法。万用表的使用方法之电阻的测量方法
在维修电气线路时,当我们判断出某一部分电路存在故障时,想要准确判断是由导线断路还是元件损坏所致时,使用500型指针万用表的电阻档就可以帮维修人员判断出具体的故障元件。测量电阻的具体方法如下:
测量电阻前先对万用表进行校正。请参看图1,方法是先把万用表的1号旋钮旋到Ω欧姆档位置,见图中旋钮的标注,再旋动3号旋钮选择合适的测量量程,然后将万用表的两个表笔短接,旋动图中所示的2号旋钮,使万用表的指针调到零的位置,对500型指针万用表进行调零后就可以进入电阻的测量工作了
测量时要先将测量的部位断开电源,将两个表笔分别接到所测元件的两端,注意在端测量时不要两只手同时捏住元件的两端,最好用鳄鱼夹夹住元件的两个引脚进行测量。

产品承诺:
保 证 全新原装进口,
保 证 安全准时发货,
保 证售后服务质量,
优势价格,大量现货。

主营DCS系统配件
机器人系统配件
大型伺服系统配件
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专业销售进口DCS  PLC系统备件模块

PLC模块,可编程控制器,CPU模块,IO模块,AI模块,通讯模块。AB/施耐德/ABB/GE/本特利/西屋/英维斯/霍尼韦尔/黑马/FU克斯波罗

15天包退换 一年质保 大量现货  国内实力库存商家


选择深圳长欣,选择放心,售后无忧大量现货,当天顺丰发货!
主营:本特利,英维思,伍德沃德,福克斯波罗、西屋、瑞恩、施耐德莫迪康、ABB、AB、西门子、摩托罗拉、GE发那科、安川、博世力士乐,ACSO,力士乐等各大品牌的DCS系统配件,机器人系统配件,大型伺服系统备件。

先介绍几点经验。
1、先通读一遍“系统手册”(不管能不能看懂,先了解个大概,以便学习编程时查找);
2、由位控逻辑入手,逐渐增加定时、计数等条件,把或、与、非关系理顺;
3、进而练习整数运算、实数运算、类型转换;
4、量程转换、PID调节回路的建立及P、I、D参数的理解(最好是有个物理回路验证,比如变频器+电机+测速传感器);
5、循环、顺序、跳转等程序控制(尽量避免跳转,非跳不可时也是跳的越近越好);
6、中断、通讯、位置控制....

本人以ABB工业机器人配件DSQC系列和Motorola MVME系列,GE 卡件 模块 驱动器系列为主攻。各位电工朋友可根据自己的条件选择适合自己的PLC品牌,由于PLC的基本框架大同小异,学会一种至于其它的学习起来也就简单了。