1394C-SJT10-A

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描述

1394C-SJT10-A

因为控制的方式不同,以前大家分为过程控制和顺序控制或者离散控制两类,其中过程控制来源于早期的过程仪表控制,后逐步发展为DCS,而顺序控制来源于早期的继电器组,最后发展出了PLC,但随着微电子、软件、硬件和通信技术的发展,目前很多DCS和PLC都采用同样的或者类似技术平台,双方之间区别越来越小,大多数新一代的控制系统都不再区分DCS或者PLC,不过新一代控制器是否叫PLC还是DCS或者FCS、PAC、NCS,这并没有得到广大厂商的认同。特别是网络和现场总线的发展,使DCS越来越没有单独存在的价值,很多的国际大公司都把新一代的控制系统合并了DCS、PLC、IPC、FCS功能。
为了简化各种概念,我们根据项目的大小、项目的重复度把PLC的应用分为工程和OEM两部分,其中工程主要指造纸、石化、冶金、水泥、大型港机等项目特征明显的自动化系统,而OEM主要指各种使用PLC的装备,如电梯、挤出机、包装机、回流焊、点胶机、特种车辆等,”这两大块构成了PLC的最主要的市场。

产品承诺:
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保 证 安全准时发货,
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主营DCS系统配件
机器人系统配件
大型伺服系统配件
品牌:ABB   ,AB  ,GE,FOXBORO,本特利,英维思,伍德沃德,西屋,瑞恩,施耐德,西门子,摩托罗拉,安川。力士乐。ACSO,横河等进口品牌。 专业销售进口DCS  PLC系统备件模块
Triconex Siemens Yaskawa ABB GE Ovation AB Foxboro Motorola Schneider XYCOM KUKA
  专业销售进口DCS  PLC系统备件模块 15天包退换 一年质保 大量现货  国内实力库存商家

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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。