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MITSUBISHI可编程控制器Q00JCPUQ00CPUQ01CPUQ系列精简模式CPU用户手册硬件设计维护保养篇A-1A-1安全守则使用前请务必阅读在使用本产品之前,请仔细阅读本手册和本手册中提及的其他相关手册,对安全问题予以充分重视,进行正确的操作在本安全守则中安全注意事项按等级分为危险注意两类表示错误操作可能引起灾难性后果死亡或重伤表示错误操作可能使操作人员身体受到中等伤害或轻伤还可能使设备损坏另外记载有注意的事项根据情况不同也可能导致严重的后果所以两级守则都是重要的内容一定都要遵守为了在必要时能阅读到本手册请妥善保管务必送交到最终用户手中设计上的注意事项危险为了防止发生外部电源的异常和PLC装置本体的故障保证系统整体安全运行需在PLC装置的外部设计安全电路以避免由于误输出和误动作而引发的事故1在PLC装置的外部构筑电路包括紧急停止电路保护电路正转/反转等相反动作的互锁电路为防止机械损坏而限定上限/下限位置的互锁电路等 2PLC装置如检查出以下的异常状态a的场合则停止运算全部输出OFFb的场合则停止运算根据参数设置保持或OFF全部输出a电源模块的过电流保护装置和过电压保护装置工作时bPLC装置CPU中依靠自我诊断功能检查出WDT故障等时另外在PLC装置CPU中不能检查出的输入输出控制部分等发生异常时全部输出ON此时为使设备安全工作需在PLC装置的外部构筑故障保护电路设计相应机构关于故障保护电路的例子请参照本手册的安装和设置3输出模块的继电器晶体管等发生故障时会可能导致输出信号一直保持ON不变或一直保持OFF不变对于会引发重大事故的输出信号需要设计外部监视电路注意危险A-2A-2设计中的注意事项危险在输出模块中由于负载电流超过额定电流或负载短路等原因引起的过电流长时间持续流通时有冒烟起火的危险需在外部设计熔断器等安全电路电路要设计成打开PLC装置本体的电源后才能打开外部供给电源如先打开外部供给电源会有因为错误操作导致事故的危险关于数据连接通讯异常时的各局的工作状态请参照各数据连接的手册会有因为错误输出错误操作而引起事故的危险CPU模块上连接外围设备智能功能模块上连接计算机等,在对运行中的PLC装置进行控制数据变更时,为了保证系统整体时常安全工作,需在程序编制上构筑互锁电路另外在对运行中的PLC装置进行其他控制程序变更运行状态变更状态控制时请熟读本手册确认十分安全后才操作特别是从外部设备对远端的PLC装置进行以上控制时有时会因为数据通讯异常而造成不能立即对PLC装置的故障做出反应的情况在顺控程序上采用互锁电路并在外部设备和PLC装置CPU之间采用发生数据通讯异常时的系统处理方法注意控制线和通讯电缆不要和主电路和动力线等束在一起或相邻排线按标准间隔在100mm以上噪声会导致误动作用输出模块控制指示灯负载灯丝电磁阀等时因为在输出由OFF变为ON瞬间会有大电流达平常的10倍流过需采取更换模块使得额定电流留有余量等措施A-3A-3安装时的注意事项注意请在本手册中记载的一般标准的环境下使用PLC装置如果在一般标准范围以外的环境使用的话会导致触电火灾错误操作产品损坏或者老化按下模块下部的安装压杆使模块的固定突起牢靠插入基板的固定孔模块没有正确安装的话会导致错误动作故障和模块脱落如果在振动频繁的环境下使用请用螺钉固定模块螺钉的固定请在规定扭矩范围下进行螺钉固定过松会导致脱落短路错误操作螺钉固定过紧造成螺钉和模块损坏也会导致脱落短路错误操作将扩展电缆牢靠安装在基板的模块连接器上安装好后加以确认如有接触不良会导致错误输入输出模块的安装拆卸一定要在外部电源全部切断以后才能进行如果没有全相切断可能导致产品损坏请不要直接接触模块的导电部分否则,会导致模块的错误操作和故障接线时的注意事项危险接线等作业一定要在外部电源全部切断后才能进行如果没有全相切断会有触电或产品损坏的危险接线结束后要通电运行时一定要安装上产品附属的端子盖没有安装端子盖的话会有触电的危险A-4A-4接线时的注意事项注意FG端子和LG端子,一定要用PLC装置专用的D类第三种接地以上的接地方式接地否则会有触电错误操作的危险对模块进行接线时请先确认产品的额定电压和端子排列如电源和额定电压不符或接线错误可能导致火灾故障外部接线用的连接器请用生产厂商指定的工具进行正确的压接或锡焊如果接线不良可能导致短路火灾错误操作端子螺钉的紧固请在规定扭矩范围下进行端子螺钉的紧固过松可能导致短路火灾错误操作端子螺钉的紧固过紧会造成螺钉或模块破损导致脱落短路错误操作注意不要让切屑线头等异物混入模块内否则可能导致火灾短路错误操作对模块接线时为了防止线头等异物进入模块内部在模块上部贴有防止进入的标签在接线时请不要揭下本标签系统运行时由于散热的需要一定要揭下本标签运行保养时的注意事项危险通电时请不要触摸端子否则可能导致触电正确连接电池不得进行充电拆卸加热投入火中短路焊接等操作如果电池接线错误会引起发热破裂冒火导致短路和火灾进行清扫或拧紧端子螺钉模块安装螺钉之前一定要先切断外部电源的所有相如果不全部切断会有触电的危险端子螺钉拧得过松可能导致短路错误操作螺钉的拧得过紧会造成螺钉或模块破损导致脱落短路错误操作A-5A-5运行保养时的注意事项注意进行运行中的CPU和外围设备连接的在线操作特别是程序变更强制输出运行状态变更请先熟读手册确认十分安全后才能进行否则可能因为操作失败而导致设备破损或引起事故不要对各模块进行拆卸改装否则可能导致故障误动作短路火灾使用移动电话PHS等无线通讯设备时请离开PLC装置25cm以上否则可能导致误动作模块的安装拆卸一定要在外部电源全相切断后才能进行如果没有全相切断可能导致模块的故障或误动作废弃时的注意事项注意产品废弃时请按工业废品处理A-6A-6修订记录安装说明书编号记载在本说明书的封底的左下角印刷日期安装说明书编号改版内容2002年7月SHNA-080333C-A初版印刷本书不保证工业知识产权及其它权利的实施和实施权对因为使用本书记载内容而引起的工业知识产权上的各种问题本公司不负任何责任2001三菱电机株式会社A-7A-7前言感谢您购买三菱通用PLC装置MELSEC-Q系列使用前请阅读本手册在充分了解Q系列PLC装置的功能和性能的基础上进行正确使用目录安全守则··························································································································································A-1修订记录··························································································································································A-6目录··································································································································································A-7关于手册·························································································································································A-15本手册的使用方法··········································································································································A-16本手册中使用的总称和简称····························································································································A-171概要1-11-41.1特点··························································································································································1-32系统构成2-12-72.1系统构成·················································································································································2-12.1.1Q00JCPU·········································································································································2-12.1.2Q00/Q01CPU··································································································································2-32.1.3GXDeveloper的构成·······················································································································2-52.2使用时的注意事项···································································································································2-62.3功能版本的确认方法·······························································································································2-73标准规格3-13-24CPU模块的硬件规格4-14-104.1性能规格·················································································································································4-14.2各部分的名称··········································································································································4-44.2.1Q00JCPU·························································