[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fkHrBZU9334znGJln-4gZFv8JsIHkirhlP5fLfPr2GMI":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":12,"question":19,"related":20,"source":30,"type":31},[],"2024-06-25 09:41:36",135983709,[8,9,10,11],"利于维护,功能扩充方便","拆卸容易,占地小","检修方便,易更换","易于编程,占地方小",{"count":13,"courseId":14,"courseImg":15,"courseName":16,"workId":17,"workName":18},39,"6eed01688c2ec6262d43ce2d0b100c97","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fd111af4a1ce7ede42371bdaf97d7140b.png","可编程光伏控制技术","work_33492737","可编程控制系统集成及应用职业技能等级证书(初级)-理论题库7","PLC模块化结构的特点是()",[21,32,41,44,53,63,72,81,90,99],{"answer":22,"createTime":5,"id":23,"options":24,"question":29,"source":30,"type":31},[],135983707,[25,26,27,28],"使用者等级","数值显示","数值输入","按钮开关","PLC可以向扩展模块提供24V直流","v1",0,{"answer":33,"createTime":5,"id":34,"options":35,"question":40,"source":30,"type":31},[],135983708,[36,37,38,39],"0.15","0.2","0.1","0.05","一般而言,PLC的I\u002F0点数要冗余多少",{"answer":42,"createTime":5,"id":6,"options":43,"question":19,"source":30,"type":31},[],[8,9,10,11],{"answer":45,"createTime":5,"id":46,"options":47,"question":52,"source":30,"type":31},[],135983710,[48,49,50,51],"中央处理单元","I\u002F0扩展接口","用户程序","输入输出接口","下列不属于PLC硬件系统组成的是()",{"answer":54,"createTime":55,"id":56,"options":57,"question":62,"source":30,"type":31},[],"2024-03-28 14:21:17",135983711,[58,59,60,61],"联动","互锁","保持","自锁","PLC程序中,手动程序和自动程序需要()",{"answer":64,"createTime":55,"id":65,"options":66,"question":71,"source":30,"type":31},[],135983712,[67,68,69,70],"用户指令解释程序","供系统调用的标准程序模块","管理程序","开关量逻辑控制程序","PLC的系统程序不包括()",{"answer":73,"createTime":5,"id":74,"options":75,"question":80,"source":30,"type":31},[],135983713,[76,77,78,79],"PLC专用通信模块","RS-232或RS-422接口","双绞线.同轴电缆.光缆双绞线.同轴电缆.光缆","普通电线","下列不属于PLC通信联网时用到的设备是()",{"answer":82,"createTime":5,"id":83,"options":84,"question":89,"source":30,"type":31},[],135983714,[85,86,87,88],"运行时序分配管理","存储空间分配管理","程序执行","系统自检","以下哪条不是系统管理程序的主要功能",{"answer":91,"createTime":5,"id":92,"options":93,"question":98,"source":30,"type":31},[],135983715,[94,95,96,97],"95","93","94","92","二进制数1011101等于十进制数的()",{"answer":100,"createTime":5,"id":101,"options":102,"question":107,"source":30,"type":31},[],135983716,[103,104,105,106],"AC220V","DC5V","DC24V","DC12V","步进电机的控制脉冲的电压一般是多少"]