1-3.PLC安装及维护

Date:2020/1/30File:Install_Maintain.1SIMATICS7SiemensAG2000.Allrightsreserved.InformationandTrainingCenterKnowledgeforAutomationPLC的硬件安装和维护Date:2020/1/30File:Install_Maintain.2SIMATICS7SiemensAG2000.Allrightsreserved.InformationandTrainingCenterKnowledgeforAutomation目标学习了本章之后，你将......熟悉SIMATICS7-300/400™组态的基本部件...了解这些基本部件的功能...了解S7-300™/400的安装和拆卸...能够使用S7电子手册...能够安装数字输入和输出模板...能够接线数字输入和输出模板...能够更换后备电池Date:2020/1/30File:Install_Maintain.3SIMATICS7SiemensAG2000.Allrightsreserved.InformationandTrainingCenterKnowledgeforAutomationS7-300的组件部件功能导轨...是S7-300的机架电源（PS）...将电网电压(120/230V)变换为S7-300所需的24VDC工作电压中央处理单元（CPU）...执行用户程序附件：存储器模块，后备电池接口模块（IM）...连接两个机架的总线信号模块（SM）（数字量/模拟量）...把不同的过程信号与S7-300相匹配附件：总线连接器，前连接器功能模块（FM）...完成定位、闭环控制等功能通讯处理器（CP）...连接可编程控制器附件：电缆、软件、接口模块Date:2020/1/30File:Install_Maintain.4SIMATICS7SiemensAG2000.Allrightsreserved.InformationandTrainingCenterKnowledgeforAutomationS7-300的安装位置Date:2020/1/30File:Install_Maintain.5SIMATICS7SiemensAG2000.Allrightsreserved.InformationandTrainingCenterKnowledgeforAutomationS7-300的扩展能力槽号1234567891011CPUIMSFM本机PSPSIMRIMRPSIMRPSDate:2020/1/30File:Install_Maintain.6SIMATICS7SiemensAG2000.Allrightsreserved.InformationandTrainingCenterKnowledgeforAutomation安装规范对于水平安装，CPU和电源必须安装在左面。对于垂直安装，CPU和电源必须安装在底部必须保证下面的最小间距：机架左右为20mm单层组态安装时，上下为40mm两层组态安装时，上下至少为80mm接口模块安装在CPU的右面一个机架上最多插八个I/O模块（信号模块、功能模块、通讯处理器）多层组态只适用于CPU314/315/316/318保证机架与安装部分的连接电阻很小（例如通过垫圈来连接）Date:2020/1/30File:Install_Maintain.7SIMATICS7SiemensAG2000.Allrightsreserved.InformationandTrainingCenterKnowledgeforAutomation安装安装帮助文件检查表硬件手册部件清单1.................2..................3...................Date:2020/1/30File:Install_Maintain.8SIMATICS7SiemensAG2000.Allrightsreserved.InformationandTrainingCenterKnowledgeforAutomation•所有部件是否齐备?（见部件清单）•安装导轨！•安装电源!•把总线连接器连到CPU，并安装模块!•把总线连接器连到I/O模块，并安装模块!•连接前连接器，并插入标签条和槽号！•给模块配线（电源，CPU和I/O模块）安装检查表Date:2020/1/30File:Install_Maintain.9SIMATICS7SiemensAG2000.Allrightsreserved.InformationandTrainingCenterKnowledgeforAutomation安装导轨（1）482mm530mm830mm57.2mm466mm500mm800mm•用M6螺丝把导轨固定到安装部位！连接保护地•把保护地连到导轨上（通过保护地螺丝！）注：导线的最小截面积为10mm2。Date:2020/1/30File:Install_Maintain.10SIMATICS7SiemensAG2000.Allrightsreserved.InformationandTrainingCenterKnowledgeforAutomation安装导轨（2）导轨总线连接器固定螺丝Date:2020/1/30File:Install_Maintain.11SIMATICS7SiemensAG2000.Allrightsreserved.InformationandTrainingCenterKnowledgeforAutomation电气安装检查表1.有模拟信号或总线信号吗？2.是否有60V的接线？3.输出触点构成的回路中是否有感性负载？4.是否有室外的接线?Date:2020/1/30File:Install_Maintain.12SIMATICS7SiemensAG2000.Allrightsreserved.InformationandTrainingCenterKnowledgeforAutomation电源和CPU的接线打开电源模块和CPU模块面板上的前盖松开电源模块上接线端子的夹紧螺钉将进线电缆连接到端子上，并注意绝缘上紧接线端子的夹紧螺钉用连接器将电源模块与CPU模块连接起来并上紧螺钉关上前盖检查进线电压的选择开关把槽号插入前盖！Date:2020/1/30File:Install_Maintain.13SIMATICS7SiemensAG2000.Allrightsreserved.InformationandTrainingCenterKnowledgeforAutomation前连接器的接线打开信号模块的前盖将前连接器放在接线位置将前连接器中夹紧装置松开剥去电缆的绝缘层(6mm长度)将电缆连接到端子上用夹紧装置将电缆夹紧将前连接器放在运行位置关上前盖填写端子标签并将其压入前盖中在前连接器盖上粘贴槽口号码Date:2020/1/30File:Install_Maintain.14SIMATICS7SiemensAG2000.Allrightsreserved.InformationandTrainingCenterKnowledgeforAutomation准备启动把钥匙插入CPU！插入后备电池！如果用户程序不是存放在存储器模块中（该模块中的程序不靠电源保持）如果出现断电时必须保持大量的数据如果需要插入存储器模块！不需要后备电池就可以保持用户程序和数据具有较大的“装载存储器”Date:2020/1/30File:Install_Maintain.15SIMATICS7SiemensAG2000.Allrightsreserved.InformationandTrainingCenterKnowledgeforAutomation更换S7-300的后备电池Date:2020/1/30File:Install_Maintain.16SIMATICS7SiemensAG2000.Allrightsreserved.InformationandTrainingCenterKnowledgeforAutomation更换S7-300的信号模板把CPU切换到Stop状态切断负载供电电源打开前盖松开前连接器并取下松开模板上的紧固螺丝摘下模块在新模块上，取下编码器的上半部分把新模板插入，并固定在导轨上将接好线的前连接器插入模板并把它放到正常工作位置关上前盖重新接通负载电源执行一次CPU的完全再启动Date:2020/1/30File:Install_Maintain.17SIMATICS7SiemensAG2000.Allrightsreserved.InformationandTrainingCenterKnowledgeforAutomation更换S7-300数字量输出模板的保险管把CPU切换到Stop状态切断负载电源取下前连接器松开模板上的紧固螺丝把模板取下拧下模板的保险管座更换保险管重新拧紧保险管座安装模板插入前连接器重新接上负载电源Date:2020/1/30File:Install_Maintain.18SIMATICS7SiemensAG2000.Allrightsreserved.InformationandTrainingCenterKnowledgeforAutomation练习:利用手册来配置S7-300Date:2020/1/30File:Install_Maintain.19SIMATICS7SiemensAG2000.Allrightsreserved.InformationandTrainingCenterKnowledgeforAutomation信号模板接线Term.No.:1234567891011121314151617181920S1S4H4L-L+传送带模型模板32通道-(I3.1)(I3.4)(Q7.1)L-L+L+L+L-为输入/输出模板供电（见手册或模板前盖上的标示）Date:2020/1/30File:Install_Maintain.20SIMATICS7SiemensAG2000.Allrightsreserved.InformationandTrainingCenterKnowledgeforAutomationS7-400可编程控制器的安装/维护Date:2020/1/30File:Install_Maintain.21SIMATICS7SiemensAG2000.Allrightsreserved.InformationandTrainingCenterKnowledgeforAutomationS7-400的组件部件功能机架用于固定模块并实现模块间的电气连接电源（PS）将进线电压转换为模块所需的直流5V和24V工作电压中央处理单元（CPU）执行用户程序附件：存储器卡接口模板（IM）用于连接其它机架。附件：连接电缆、终端器信号模板（SM）（数字量/模拟量）把不同的过程信号与S7-400适配附件：前连接器功能模板（FM）完成定位、闭环控制等功能。通讯处理器（CP）用于连接其它可编程控制器附件：电缆、软件、接口模板Date:2020/1/30File:Install_Maintain.22SIMATICS7SiemensAG2000.Allrightsreserved.InformationandTrainingCenterKnowledgeforAutomation机架及其扩展连接机架型号中央机架扩展机架可用UR1/UR2（通用机架）YesYesP总线K总线CR2/CR3（中央机架）NoYesP总线，第1段K总线P总线，第2段P总线ER1/ER2（扩展机架）NoYesDate:2020/1/30File:Install_Maintain.23