[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fYTYaLAKyQZPR5JovCmMjm9cb7f30KzbBnCBdBoZRicE":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":12,"question":19,"related":20,"source":31,"type":32},[],"2024-09-18 12:45:25",159598645,[8,9,10,11],"等待工作方式","中断工作方式","扫描工作方式","循环扫描工作方式",{"count":13,"courseId":14,"courseImg":15,"courseName":16,"workId":17,"workName":18},20,"2754885bbb10d42517b90f8857493a3a","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fda6b566ea775216a3d685f212b9c4aa0.png","PLC控制技术（精品慕课）","6948a882594e47b6b4e13a0a07ba7ef4","期中测试","PLC的工作方式是( )",[21,33,43,52,61,64,73,82,91,97],{"answer":22,"createTime":23,"id":24,"options":25,"question":30,"source":31,"type":32},[],"2024-09-18 12:45:23",159598631,[26,27,28,29],"256点以内","256 ~ 1024 点之间","1024 ~ 2048 点之间","256 ~ 2048 点之间","中型PLC的I\u002FO总点数在","v1",0,{"answer":34,"createTime":35,"id":36,"options":37,"question":42,"source":31,"type":32},[],"2024-09-18 12:45:24",159598636,[38,39,40,41],"最小限度地满足被控设备或生产过程的控制要求","在满足控制要求的前提下,要求简单、经济","保证控制系统的经济利益","不应留有进一步扩展的余地","PLC应用系统设计的原则有:( )",{"answer":44,"createTime":35,"id":45,"options":46,"question":51,"source":31,"type":32},[],159598640,[47,48,49,50],"100毫秒","150毫秒","200 毫秒","1S","通常PLC的一个扫描周期为几个至几十毫秒,最长不超过( )",{"answer":53,"createTime":35,"id":54,"options":55,"question":60,"source":31,"type":32},[],159598643,[56,57,58,59],"小型整体式","小型模块式","中\u002F小型高档整体式","中\u002F小型模块式","按组成结构形式、容量和功能分,S7-1200属于( )",{"answer":62,"createTime":5,"id":6,"options":63,"question":19,"source":31,"type":32},[],[8,9,10,11],{"answer":65,"createTime":5,"id":66,"options":67,"question":72,"source":31,"type":32},[],159598648,[68,69,70,71],"电源模块(PS)","接口模块(IM)","程序模块(PM)","信号模块(SM)","下列不属于SIMATIC S7-1200系列PLC的硬件主要组成部分的是( )",{"answer":74,"createTime":5,"id":75,"options":76,"question":81,"source":31,"type":32},[],159598650,[77,78,79,80],"6","7","8","9","S7-1200中除了电源模块、CPU模块和接口模块外,一个机架上最多只能再安装( )个信号模块或功能模块",{"answer":83,"createTime":5,"id":84,"options":85,"question":90,"source":31,"type":32},[],159598653,[86,87,88,89],"MPI","PROFINET","PROFIBUS","MODBUS","S7-1200系统不能接入哪种现场总线?( )",{"answer":92,"createTime":5,"id":93,"options":94,"question":96,"source":31,"type":32},[],159598656,[71,95,68,69],"导轨(RACK)","S7-1200中扩展机架之间通过( ) 相连接",{"answer":98,"createTime":5,"id":99,"options":100,"question":105,"source":31,"type":32},[],159598660,[101,102,103,104],"型号","订货号","版本","CPU支持的IO点数","在&quot;添加新设备&quot;对话框中可以看到所有型号的CPU,下面哪些信息是不能够在此对话框中显示出来的( )"]