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3500 42M

我做DCS维护已经有些年了,这些年新上的DCS的工作站几乎清一色的全部采用了DELL的机器。记得九几年的时候,DCS的上位机全部采用工控机,工作稳定,直到现在还在工作。现在不管那个厂商,不管是进口的还是国产的全部换用DELL的机器。DELL是做商用机,民用机和服务器的,虽然做工不错,而且都经过测试,但个人认为不能和工控机相比。现在DCS采用的机器基本上都是商用机,它的设计十分紧凑,机箱内的空间十分狭窄。其次DELL的机器在机器的进风口都没有过滤设置(而且有的连机箱风扇都没有,由此看出不是为工业应用所设计),如果现场粉尘大,对电脑的危害十分严重,工控机都有机箱风箱,而且都有过滤网。第三,DELL机器的配置设计都以够用为标准,几乎没有扩展性。如我公司现用的DELL机器,电源仅为145W,而且没有多余的电源插头,也没有扩展如硬盘,光驱的空间,就连联接IDE设备的IDE数据线都是只能接一个设备,且刚好够长(由此可见DELL的精打细算,和工控机的不惜成本形成鲜明对比)!如果想外接一个硬盘进行数据备份只有下掉光驱或使用USB移动硬盘。DCS工作站一般安装NT  2000 XP操作系统,而这些系统都不支持MS-DOS(不可能会给你装双系统),用GHOST进行硬盘整个备份要用光盘引导系统,又要外挂硬盘存镜像文件,这种情况下(没有电源插头,而且电源功率太少)只好把工作站硬盘拆到别的机器上做备份,十分麻烦。第四,DELL的机器因为不是为工业设计,清一色的没有ISA插槽,PCI插槽一般只有二到三个。DCS设计一般采用双冗余网络,主板带个网卡,另一个网卡占用一个PCI插槽,可用的只有一到二个。如果有的DCS的专用键盘要用扩展卡的话,可用的PCI就几乎没有了。第五,DELL的电脑机箱全部采用无螺丝设计,无关人员很容易打开机器造成隐患。而且电脑机箱的强度更是不能和工控机的机箱相比。DELL的机箱没有软驱和光驱的前挡板,电源和重启键也没有保护,容易误操作,工控机都可以锁起来。第六,DELL的电脑价格也不便宜,一般都在一万至二万多,不会比工控机便宜。第七,无一例外地使用19寸或21寸的大屏幕显示器。一般都使用CRT显示器,而操作人员使用时长时间观察同一个画面,显示器很快就会被电子枪打出痕迹。液晶显示器不会有这个问题,而且DELL的CRT显示器一般为SONY代工的价格比17寸液晶显示器要贵

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Agilestar – AA1403006-E5 – For Nortel – New in Box

Agilestar – FTLX1841E2-AS – For Finisar – New in Box

Agilestar – XFP-10GZR-OC192​LR – For Cisco – NIB

Agilestar – 10G-XNPK-ZR – For Foundry Networks – NIB

Agilestar – ONS-SC-Z3-1470 – For Cisco – New In Box

Agilestar – ONS-SC-Z3-1490 – For Cisco – New In Box

Agilestar – ONS-SC-Z3-1510 – For Cisco – New In Box

Agilestar – ONS-SC-Z3-1530 – For Cisco – New In Box

Agilestar – ONS-SC-Z3-1550 – For Cisco – New In Box

Agilestar – ONS-SC-Z3-1570 – For Cisco – New In Box

Agilestar – ONS-SC-Z3-1590 – For Cisco – New In Box

Agilestar – ONS-SC-Z3-1610 – For Cisco – New In Box

Agilestar – SF2G-LX4-5C-47-​AS – For FibroLAN – New in B

Agilestar – SF2G-LX4-5C-49-​AS – For FibroLAN – New in B

Agilestar – SF2G-LX4-5C-51-​AS – For FibroLAN – New in B

Agilestar – SF2G-LX4-5C-53-​AS – For FibroLAN – New in B

Agilestar – SF2G-LX4-5C-55-​AS – For FibroLAN – New in B

Agilestar – SF2G-LX4-5C-57-​AS – For FibroLAN – New in B

Agilestar – SF2G-LX4-5C-59-​AS – For FibroLAN – New in B

Agilestar – SF2G-LX4-5C-61-​AS – For FibroLAN – New in B

Agilestar – 3HE00047AA – For Alcatel-Lucent – NIB

Agilestar – FTRX-1811-3 – For Finisar – New In Box

Agilestar – ONS-SE-2G-1470 – For Cisco – New In Box

Agilestar – ONS-SE-2G-1490 – For Cisco – New In Box

Agilestar – ONS-SE-2G-1510 – For Cisco – New In Box

Agilestar – ONS-SE-2G-1530 – For Cisco – New In Box

Agilestar – ONS-SE-2G-1550 – For Cisco – New In Box

Agilestar – ONS-SE-2G-1570 – For Cisco – New In Box

Agilestar – ONS-SE-2G-1590 – For Cisco – New In Box

Agilestar – ONS-SE-2G-1610 – For Cisco – New In Box

Agilestar – DWDM-XENPAK-36.​61 -For Cisco – New in Box

Agilestar – DWDM-X2-30.33 – For Cisco -10GBASE-DWDM

Agilestar – DWDM-X2-31.12 – For Cisco -10GBASE-DWDM

Agilestar – DWDM-X2-31.90 – For Cisco – 10GBASE-DWDM

Agilestar – DWDM-X2-32.68 – For Cisco – 10GBASE-DWDM

Agilestar – DWDM-X2-34.25 – For Cisco – 10GBASE-DWDM

Agilestar – DWDM-X2-35.04 – For Cisco – 10GBASE-DWDM

Agilestar – DWDM-X2-35.82 – For Cisco – 10GBASE-DWDM

Agilestar – DWDM-X2-36.61 – For Cisco – 10GBASE-DWDM

Agilestar – DWDM-X2-38.19 – For Cisco – 10GBASE-DWDM

Agilestar – DWDM-X2-38.98 – For Cisco – 10GBASE-DWDM

Agilestar – DWDM-X2-39.77 – For Cisco – 10GBASE-DWDM

Agilestar – DWDM-X2-40.56 – For Cisco – 10GBASE-DWDM

Agilestar – DWDM-X2-42.14 – For Cisco – 10GBASE-DWDM

Agilestar – DWDM-X2-42.94 – For Cisco – 10GBASE-DWDM

Agilestar – DWDM-X2-43.73 – For Cisco -10GBASE-DWDM

Agilestar – DWDM-X2-44.53 – For Cisco – 10GBASE-DWDM

Agilestar – DWDM-X2-46.12 – For Cisco – 10GBASE-DWDM

Agilestar – DWDM-X2-46.92 – For Cisco – 10GBASE-DWDM

Agilestar – DWDM-X2-47.72 – For Cisco – 10GBASE-DWDM

Agilestar – DWDM-X2-48.51- For Cisco – 10GBASE-DWDM

Agilestar – DWDM-X2-50.12 – For Cisco – 10GBASE-DWDM

Agilestar – DWDM-X2-50.92 – For Cisco – 10GBASE-DWDM

Agilestar – DWDM-X2-51.72 – For Cisco – 10GBASE-DWDM

Agilestar – DWDM-X2-52.52 – For Cisco – 10GBASE-DWDM

Agilestar – DWDM-X2-54.13 – For Cisco – 10GBASE-DWDM

Agilestar – DWDM-X2-54.94 – For Cisco – 10GBASE-DWDM

Agilestar – DWDM-X2-55.75 – For Cisco – 10GBASE-DWDM

Agilestar – DWDM-X2-56.55 – For Cisco – 10GBASE-DWDM

Agilestar – DWDM-X2-58.17 – For Cisco – 10GBASE-DWDM

Agilestar – DWDM-X2-58.98 – For Cisco – 10GBASE-DWDM

Agilestar – DWDM-X2-59.79 – For Cisco – 10GBASE-DWDM

Agilestar – DWDM-X2-60.61 – For Cisco – 10GBASE-DWDM

Agilestar – DWDM-XENPAK-30.​33 – For Cisco – New in Box

Agilestar – DWDM-XENPAK-31.​12 – For Cisco – New in Box

Agilestar – DWDM-XENPAK-31.​90 – For Cisco – New in Box

Agilestar – DWDM-XENPAK-32.​68 – For Cisco – New in Box

Agilestar – DWDM-XENPAK-34.​25 – For Cisco – New in Box

Agilestar – DWDM-XENPAK-35.​04 – For Cisco – New in Box

Agilestar – DWDM-XENPAK-35.​82 – For Cisco – New in Box

Agilestar – DWDM-XENPAK-38.​19 – For Cisco – New in Box

Agilestar – DWDM-XENPAK-38.​98 – For Cisco – New in Box

Agilestar – DWDM-XENPAK-39.​77 – For Cisco – New in Box

Agilestar – DWDM-XENPAK-40.​56 – For Cisco – New in Box

Agilestar – DWDM-XENPAK-42.​14 – For Cisco – New in Box

Agilestar – DWDM-XENPAK-42.​94 – For Cisco – New in Box

Agilestar – DWDM-XENPAK-43.​73 – For Cisco – New in Box

Agilestar – DWDM-XENPAK-44.​53 – For Cisco – New in Box

Agilestar – DWDM-XENPAK-46.​12 – For Cisco – New in Box

Agilestar – DWDM-XENPAK-46.​92 – For Cisco – New in Box

Agilestar – DWDM-XENPAK-47.​72 – For Cisco – New in Box

Agilestar – DWDM-XENPAK-48.​51 – For Cisco – New in Box

Agilestar – DWDM-XENPAK-50.​12 – For Cisco – New in Box

Agilestar – DWDM-XENPAK-50.​92 – For Cisco – New in Box

Agilestar – DWDM-XENPAK-51.​72 – For Cisco – New in Box

Agilestar – DWDM-XENPAK-52.​52 – For Cisco – New in Box

Agilestar – DWDM-XENPAK-54.​13 – For Cisco – New in Box

Agilestar – DWDM-XENPAK-54.​94 – For Cisco – New in Box

Agilestar – DWDM-XENPAK-55.​75 – For Cisco – New in Box

Agilestar – DWDM-XENPAK-56.​55 – For Cisco – New in Box

Agilestar – DWDM-XENPAK-58.​17 – For Cisco – New in Box

Agilestar – DWDM-XENPAK-58.​98 – For Cisco – New in Box

Agilestar – DWDM-XENPAK-59.​79 – For Cisco – New in Box

Agilestar – DWDM-XENPAK-60.​61 – For Cisco – New in Box

Agilestar – 10GBASE-ZR-XFP – Enterasys Networks – NIB

Agilestar – EX-XFP-10GE-ZR – Juniper – New in Box

Agilestar – E1MG-BXD-60KM-A​S – For Foundry – New in Box

Agilestar – E1MG-BXU-60KM-A​S – For Foundry – New in Box

Agilestar – XENPAK-1XGE-ZR – Juniper – New in Box

Agilestar – SU69CD-AS – For Marconi – XFP 10GBASE-ZR SM

Agilestar – PAN-XFP-ZR – For Palo Alto – New in Box

Agilestar – XFP-10GZR-OC192​LR2 – For Cisco – NIB

Agilestar – FTLX1811M3 – For Finisar – New In Box

Agilestar – XFP-10G-ZR80 – For Alcatel-Lucent – NIB

Agilestar – X2-10GB-ZR – For Cisco – New in Box

Agilestar – DWDM-XFP-30.33 – For Cisco – New in Box

Agilestar – DWDM-XFP-32.68 – For Cisco – New in Box

Agilestar – DWDM-XFP-35.04 – For Cisco – New in Box

Agilestar – DWDM-XFP-36.61 – For Cisco – New in Box

Agilestar – DWDM-XFP-38.19 – For Cisco – New in Box

Agilestar – DWDM-XFP-40.56 – For Cisco – New in Box

Agilestar – DWDM-XFP-42.14 – For Cisco – New in Box

Agilestar – DWDM-XFP-43.73 – For Cisco – New in Box

Agilestar – DWDM-XFP-46.12 – For Cisco – New in Box

Agilestar – DWDM-XFP-47.72 – For Cisco – New in Box

Agilestar – DWDM-XFP-50.92 – For Cisco – New in Box

Agilestar – DWDM-XFP-50.12 – For Cisco – New in Box

Agilestar – DWDM-XFP-48.51 -For Cisco – New in Box

Agilestar – DWDM-XFP-46.92 – For Cisco – New in Box

Agilestar – DWDM-XFP-44.53 – For Cisco – New in Box

Agilestar – DWDM-XFP-42.94 – For Cisco – New in Box

Agilestar – DWDM-XFP-39.77 – For Cisco – New in Box

Agilestar – DWDM-XFP-38.98 – For Cisco – New in Box

Agilestar – DWDM-XFP-35.82 -For Cisco – New in Box

Agilestar – DWDM-XFP-34.25 – For Cisco – New in Box

Agilestar – DWDM-XFP-31.90- For Cisco – New in Box

Agilestar – DWDM-XFP-31.12 – For Cisco – New in Box

Agilestar – XFP-10G-Z-OC192​-LR2 – Juniper – New in Box

Agilestar – DWDM-XFP-51.72 – For Cisco – New in Box

Agilestar – DWDM-XFP-52.52 – For Cisco – New in Box

Agilestar – DWDM-XFP-54.13 – For Cisco – New in Box

Agilestar – DWDM-XFP-54.94 – For Cisco – New in Box

Agilestar – DWDM-XFP-55.75 – For Cisco – New in Box

Agilestar – DWDM-XFP-56.55 – For Cisco – New in Box

Agilestar – DWDM-XFP-58.98 – For Cisco – New in Box

Agilestar – XENPAK-10GB-ZR – For Cisco – New in Box

Agilestar – XFP-10G-Z-OC192​-LR2 – ForJuniper Networks

Agilestar – DWDM-XFP-31.12-​AS – For Cisco – New in Box

Agilestar – DWDM-XFP-31.90-​AS – For Cisco – New in Box

Agilestar – DWDM-XFP-34.25-​AS – For Cisco – New in Box

Agilestar – DWDM-XFP-35.82-​AS – For Cisco – New in Box

Agilestar – DWDM-XFP-38.98-​AS – For Cisco – New in Box

Agilestar – DWDM-XFP-39.77-​AS – For Cisco – New in Box

Agilestar – DWDM-XFP-42.94-​AS – For Cisco – New in Box

Agilestar – DWDM-XFP-48.51-​AS – For Cisco – New in Box

Agilestar – DWDM-XFP-50.12-​AS – For Cisco – New in Box

Agilestar – DWDM-XFP-60.61- For Cisco – New in Box

Agilestar – DWDM-XFP-59.79 – For Cisco – New in Box

Agilestar – DWDM-XFP-58.17 – For Cisco – New in Box

Agilestar – DWDM-XFP-56.55 40km- For Cisco – New in Box

Agilestar – DWDM-XFP-50.92 40km- For Cisco – New in Box

Agilestar – DWDM-XFP-38.19 40km- For Cisco – New in Box


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。