[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fkUtktq8BBQGyp50pKbgNrGbJaz-QKdZasL4mCjoDw5c":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":12,"question":18,"related":19,"source":27,"type":63},[],"2023-05-08 00:42:09",85531368,[8,9,10,11],"Programmable Logic Controller","Personal Computer","Programmable Controller","Programmable Computer",{"courseId":13,"courseImg":14,"courseName":15,"workId":16,"workName":17},"1000000954","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F87b43fc4b6e22b416686c9c5cd74d4ae.jpg","PLC控制技术","30663705","第一章单元测试","可编程序逻辑控制器,简称PLC,可编程控制器也简称PLC,那么可编程控制器英文全称是( )",[20,29,34,39,44,49,54,64,73,76],{"answer":21,"createTime":5,"id":22,"options":23,"question":26,"source":27,"type":28},[],85531353,[24,25],"对","错","S7-200 SMART PLC的以太网通信端口可以下载程序.( )","v2",3,{"answer":30,"createTime":5,"id":31,"options":32,"question":33,"source":27,"type":28},[],85531355,[24,25],"S7-200 SMART PLC的RS485通信端口可以下载程序.( )",{"answer":35,"createTime":5,"id":36,"options":37,"question":38,"source":27,"type":28},[],85531357,[24,25],"在PLC的一个扫描周期内,输入状态是不会发生改变的.( )",{"answer":40,"createTime":5,"id":41,"options":42,"question":43,"source":27,"type":28},[],85531359,[24,25],"PLC的CPU 根据用户程序存放的顺序读取、解释和执行程序.( )",{"answer":45,"createTime":5,"id":46,"options":47,"question":48,"source":27,"type":28},[],85531361,[24,25],"梯形图是使用得最多的PLC编程语言.( )",{"answer":50,"createTime":5,"id":51,"options":52,"question":53,"source":27,"type":28},[],85531362,[24,25],"模块式结构的PLC一般大中型的PLC采用.( )",{"answer":55,"createTime":5,"id":56,"options":57,"question":62,"source":27,"type":63},[],85531364,[58,59,60,61],"三菱","立石","通用电气","西门子","S7-200SMART PLC是( )公司的产品",0,{"answer":65,"createTime":5,"id":66,"options":67,"question":72,"source":27,"type":63},[],85531366,[68,69,70,71],"4KB以下","8KB以下","4MB以下","16MB以下","小型PLC的内存容量在( )",{"answer":74,"createTime":5,"id":6,"options":75,"question":18,"source":27,"type":63},[],[8,9,10,11],{"answer":77,"createTime":5,"id":78,"options":79,"question":84,"source":27,"type":63},[],85531371,[80,81,82,83],"1968年","1969年","1971年","1953年","世界上第一台PLC诞生于( )"]