[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fYclFbj_KL39etA46I7yS7h4kaPJQ1STpE81GRcfc9Us":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":12,"question":19,"related":20,"source":30,"type":31},[],"2023-12-20 18:22:26",118403474,[8,9,10,11],"Rockwell","Siemens","General Electric","Fuji",{"count":13,"courseId":14,"courseImg":15,"courseName":16,"workId":17,"workName":18},17,"f731a5bc06ecc9fde898df0dbdb4190c","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fe31dce2fed0cf4444f959fb8f1ff0549.jpg","Industrial Control Application Technology","b6912ac7d82a46ac86fa72ea8fd44b24","","S7-1500系列产品是哪个厂家的()",[21,32,35,40,49,58,67,73,78,83],{"answer":22,"createTime":5,"id":23,"options":24,"question":29,"source":30,"type":31},[],118403471,[25,26,27,28],"PLC","Relay","Contactor","Fuse box","Self-locking control circuitintermediate, after the button is released, the motor does not work properly","v1",0,{"answer":33,"createTime":5,"id":6,"options":34,"question":19,"source":30,"type":31},[],[8,9,10,11],{"answer":36,"createTime":5,"id":37,"options":38,"question":39,"source":30,"type":31},[],118403479,[8,9,10,11],"Which of the following are the brand companies of PLC ()",{"answer":41,"createTime":5,"id":42,"options":43,"question":48,"source":30,"type":31},[],118403481,[44,45,46,47],"Minor","intermediate small","intermediate type","large-scale","目前我国市场中,哪种类型的PLC占比较高()",{"answer":50,"createTime":5,"id":51,"options":52,"question":57,"source":30,"type":31},[],118403486,[53,54,55,56],"DB","L Storage area","I storage area","Q storage area","The CPU 1214C model is DC\u002FDC\u002FDC, and its intermediate first DC represents ()",{"answer":59,"createTime":5,"id":60,"options":61,"question":66,"source":30,"type":31},[],118403488,[62,63,64,65,53],"I","Q","M","L","According to whether the 1M terminal is connected to the positive or negative electrode of the power supply, the wiring at the input end is divided into two types, namely () and () connection",{"answer":68,"createTime":69,"id":70,"options":71,"question":72,"source":30,"type":31},[],"2023-12-20 18:22:27",118403492,[62,63,64,65,53],"The output end 3L+ is connected to the positive electrode of the power supply, 3M is connected to the negative electrode of the power supply, and the output port is connected to the power supply ()",{"answer":74,"createTime":69,"id":75,"options":76,"question":77,"source":30,"type":31},[],118403494,[62,63,64,65,53],"The common negative connection method of the 1M terminal is connected to the negative electrode of the power supply power supply at the input terminal, and the positive electrode of the power supply at the input end. This wiring method is suitable for sensors whose input is () leakage input type",{"answer":79,"createTime":69,"id":80,"options":81,"question":82,"source":30,"type":31},[],118403498,[62,63,64,65,53],"1M end co-negative interface, the load is at the positive pole of the power supply",{"answer":84,"createTime":69,"id":85,"options":86,"question":91,"source":30,"type":31},[],118403500,[87,88,89,90],"Login option","All login options corresponding to the operation","The selection panel for the selected action","The display area for the currently open item","The symbol of the temporary storage area is ()"]