Spirent Abacus 100

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选择深圳长欣,选择放心,售后无忧
大量现货,当天顺丰发货!
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描述

Spirent Abacus 100

PLC控制的软件设计
PLC控制软件的设计大致可以分为以下几个模块:上电初始化、检测、自动磨削、报警及报替处理。选用永宏的FBS系列PLC,其内部包含基本逻辑指令、步进顺控指令和功能指令,配合扩展模块的特殊指令,编程灵活、修改方便且运行稳定。首先进行初始化,初始化包括拖板、刀盘进给丝杠和伺服的归零,一上电伺服控制刀盘的轴快速移动到零点位置,相应的伺服读数为零,拖板也根据需要回到零点位置,若刀盘主轴进给超过最大给定行程时,系统发出超程报警,同时刀盘主轴自动返回零位。比较麻烦的是不知道要切削几次才可以达到磨削的期望值,为了提高效率,用户可以将常用的磨削周期存储起来以备后用,而不必重新设计磨削周期。
DA模块:版辊旋转,刀盘旋转,拖板移动分别用3台电动机拖动,变频器根据输入的版辊直径,版辊长度通过调用公式来调节电动机转速,保证磨削出一定锥度的表面。三个速度和版辊直径,长度之间存在着一定的机械关系,而这种折算关系存储在PLC中并在磨削前自动调用出来,拖板的横向移动距离用接近开关检测,电机每转一周检测5个开关(丝杠前进10mm),计5次数,一次计数就移动2mm,停止时已记下一定的距离,当拖板退回去的时候可以根据折算好的计数值自动停止移动。无论刀盘转速还是版辊转速、拖板移动速度发生波动,都会影响磨削出来的表面精度,因此,当其中一个速度发生波动时,另外两个的转速必须迅速跟踪。

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
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
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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。