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SIMETIC S7-300 可编程控制器安装调试方案Scheme of installation and testing for SIMETIC S7-300 seriesProgram Logic Control1、 编制说明:InstructionS7-300是SIEMENS公司生产的适合于小规模性能要求的模块化小型PLC系统。它具有模块化,无排风扇结构,易于实现分布、用户便利等特点。当任务规模扩大时,可随时用附加模块对PLC系统进行扩展。 S7-300 series is produced for SIEMENS company, it is fit for minitype modularize PLC system with little model capability requirement . It have modularize 、 no fan configuration , easy to achieve distributing and expedite user etc characteristics . When model of assignments are going to enlarge ,PLC system is going to enlarge with subjoin module at any time .为了高速优质完成安装、调校工作,确保装置能长期、安全、稳定运行,特编制PLC系统调试方案In order to higher efficiency 、finnly completed testing works ,Ensuring equipment can longer time、 safety 、stabilization . Speicial compiling this scheme of testing for PLC system . 2、 编制依据:Gist2.1工程合同Engineering bargain.2.2施工图及相关设计文件。Working draws and correlative designing files.2.3产品说明书。Manufacture instruction .2.4工业自动化仪表施工及验收规范Industry automatization instrument project and construction acceptance criterion 3、 系统结构:configuration of system .一台S7-300可编程控制器由以下部分组成:S7-300 PLC is making of following parts:1) 电源(PS)Power Supply.2) 中央处理器(CPU)Center Processing Unit.3) 信号模板(SM)Signal Moulding board.4) 功能模板(FM)Function Moulding board.5) 通讯处理器(CP)Communication Processor. SIEMENS 公司提供一些组件用于安装和运行一台S7-300可编程控制器。以下为其主要组件和功能: SIEMENS company have provide some group wares for installing and running and a S7-300 PLC control system ,following mainly group wares and functions :1) 导轨:安装固定S7-300的模板。Guide rail : installing moulding boards of S7-3002) 电源(PS):将动力系统电压(120/230VAC)转换成24VDC用于S7-300和直流24V负载电路的负载电源。Power Supply : voltages of power system (120/230 VAC ) will be transited for 24VDC .3) 央处理器(CPU):执行用户程序并为S7-300背板总线提供5V电源,还可以通过MPI多点接口与其它中央处理器或编程器通讯。Central Processing Unit : acting user program and affording 5V voltages for S7-300 backboaed trunk line ,also you can across points nozzies connection of MPI and else CPU and PC communication .4) 信号模板(SM):使不同的过程信号和S7-300内部信号电平相协调。它包括:Signal Moulding board : assorting with different process signal and voltages level of inner signal for S7-300 .following includes:l 数字量输入模板l Digit input moulding boardl 数字量输出模板l Digit output moulding boardl 模拟量输入模板l Simulation input moulding boardl 模拟量输出模板l Simulation output moulding boardl 模拟量输入/输出模板l Simulation input /output moulding board 5) 功能模板(FM):用于时间要求苛刻、存储器要求较大的过程信号处理任务。通讯处理器(CP):解脱中央处理器的通讯任务。Function moulding board : with processing assignment of process signal which these will call for pressing times and biggish memorizer . Communication Processor : disentangling communication assignment for CPU6) 无源端子盒:用于信号模板的接线。Nothing power extrenity Box : with connecting cable of signal moulding board7) 接口模板(IM):内部连接一台S7-300的各个排,用于扩充I/O。Nozzie connection moulding board : inter connecting each line of a S7-300 ,with extending I/O .8) 带有LAN连接器的SINECL2电缆:内部连接中央处理器CPU和编程器或个人计算机。Strapping LAN Linker for SINECL2 cable : inter connecting CPU and PC or appliance computer .9) 编程器电缆:将一台中央处理器与一台编程器相连接。PC Cable : connecting a CPU and a PC .10) SINECL2总线端子:将一台S7-300与另一台S7-300或编程器、计算机连接。SINECL2 trunk line extremity : connecting a S7-300 and a other one or a PC、 appliance computer .11) RS485中继器:将一台S7-300与另一台S7-300或编程器、个人计算机连接。RS485 Repeaters : connecting a S7-300 and a other one or PC、 appliance computer .12) 具有STEP7软件包的编程器或个人计算机。With STEP 7 software bag PC or Appliance Computer :4、 安装Installing4.1.1水平安装:必须把中央处理单元和电源固定在安装导轨的最左端,这种安装方式允许的环境温度为0-600C。Horizontal installing : You must be fixed the center manage cell and power supply on the best left-end of guide rail . The permit condition temperatures of this installing mode are 060.4.1.2垂直安装:必须把中央处理单元和电源固定在安装导轨的底部,以改善通过系统的气流,使电气元件保持冷却,允许的环境温度为0-400C。Vertical installing : You must be fixed the center manage cell and power supply on the bottom of guide rail .Permit condition temperatures 040 .4.1.3安装尺寸:PLC系统在安装时主要考虑以下几个方面:Size of installing: When installing the PLC system , you will be mostly think following aspects :1) 保证PLC模板必须的散热空间。Assuring spaces of the PLC moulding board that give off heat needs.2) 留有足够的空间来插上和取下这些模板。 Putting apart enough spacing , in order to plug into and leave off these moulding board .3)为电缆敷设留有足够的空间 Putting apart enough spaces for cables laying .4.1.4电缆敷设Cables laying :户内电缆敷设应根据产品说明书的要求保证不同电缆组之间的间距,以达到必要的电磁一致性。Inside-doors cables laying shall call for manufacture instruction requiring , assuring different cable groups ,in order to reach necessary consistency for electromagnetism . 户外电缆敷设除了户内电缆敷设同样的要求外,还应考虑以下几个方面:Out -of-doors cables laying expect requiring alike inside-doors cables laying , also shall thinke following aspects :1) 在金属的电缆支持物上敷设电缆(电缆支架、桥架等)Laying cables on metallic cable holder (cable supports 、bridge tray and so on .).2) 在电缆支持物的结合之间要做金属连接线。
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