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1、姓名专业班级XXXXX论文名称变频器实习及PLC变频器通信项目设计指导教师目录Thegeneralstaff(1employeesinadditiontovicepresident,director,manager,deputymanagerandspecialpositionsoutsidethecontractperiod)toresign,togive10daysnotice,theprojectmanagerordepartmentmanager,administrativepersonneldepart
2、mentorrelevantresponsiblepersonfortherelevantvisaafterdepartureprocedures;inadditiontogeneralstaffpersonneloutsidethecontractperiodofturnovermustsubmittheresignationreport,amonthaheadofschedule,theadministrativepersonneldepartment,generalmanagerofvisabeforese
3、parationprocedures;probationemployeesshallpayinadvance5resignationreport,theprojectmanagerordepartmentmanagerandadministrativepersonneldepartmentvisabeforedeparture;positiveafterspecialreasonsdidnotsignacontractwithreferencetogeneralemployeesThroughthestaff9:
4、49:56第29页共29页8/14/2021毕业设计论文指导老师：l第一章前言31-1工业控制网络的发展31-2.工业以太网技术的特点5第二章实习期间主要做的事62-1在电子组学习焊接及主要操作流程62-1-1焊接的基础知识62-1-1-1焊锡62-1-1-2锡焊必须具备的条件72-1-2新烙铁使用前的准备：72-1-3电烙铁使用时要特别注意安全72-1-4锡焊五步操作法72-1-5焊接质量的检查82-1-6贴片元件的手工焊接技巧82-2在装配组学习变频器的装配及主要操作流程82-2-1准备工作82-3-2组装过
5、程分步框图92-3在调试组学习变频器的调试及主要操作流程92-3-1调试前的准备：92-3-2变频器的接线和配线的检查：102-3-4老化后的调试10第三章PLC和变频器通信项目设计113-1系统结构图113-1-1汇川PLC硬件特点113-2项目要求实现的功能123-3I/O分配133-4通讯成功具备的关键点143-4-1硬件上143-4-2软件上143-4-3变频器的使用和设置15Thegeneralstaff(1employeesinadditiontovicepresident,director,mana
6、ger,deputymanagerandspecialpositionsoutsidethecontractperiod)toresign,togive10daysnotice,theprojectmanagerordepartmentmanager,administrativepersonneldepartmentorrelevantresponsiblepersonfortherelevantvisaafterdepartureprocedures;inadditiontogeneralstaffperson
7、neloutsidethecontractperiodofturnovermustsubmittheresignationreport,amonthaheadofschedule,theadministrativepersonneldepartment,generalmanagerofvisabeforeseparationprocedures;probationemployeesshallpayinadvance5resignationreport,theprojectmanagerordepartmentma
8、nagerandadministrativepersonneldepartmentvisabeforedeparture;positiveafterspecialreasonsdidnotsignacontractwithreferencetogeneralemployeesThroughthestaff9:49:56第29页共29页8/14/2021毕业设计论文指导老师
