[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fxDdDSQuMF58U5NAaxDIIblGUHHL4IOc-O-zB7N8j9DE":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":12,"question":19,"related":20,"source":31,"type":32},[],"2025-11-21 16:43:43",234097788,[8,9,10,11],"能够驱动大功率负载","能够实现光电隔离和电平转换","起着自动调节、安全保护、转换电路等作用","传递中间信号或增加触点数量及容量",{"count":13,"courseId":14,"courseImg":15,"courseName":16,"workId":17,"workName":18},18,"6ff62bf2880a7c52e0e324d092cc1088","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F5aa1e010016a00d72d96151e16aafd59.png","工程训练C","work_47621528","13 工业控制章节作业","中间继电器是 ( )的继电器,实质上是一种电压继电器",[21,33,42,51,60,63,72,80,85,90],{"answer":22,"createTime":23,"id":24,"options":25,"question":30,"source":31,"type":32},[],"2025-11-14 21:19:11",234097784,[26,27,28,29],"绝对式","光电式","增量式","磁电式","只能分辨位移大小,不能分辨位移方向和起始位置,掉电后发生移动或受干扰丢失计数脉冲都会导致位置判断错误的编码器是 ()编码器","v1",0,{"answer":34,"createTime":5,"id":35,"options":36,"question":41,"source":31,"type":32},[],234097785,[37,38,39,40],"标准信号","模拟信号","温度值","数字信号","温度变送器是把温度信息转换成非标准电信号或其他形式信号,再通过变送电路把非标准电信号或其他形式信号变换成()输出的仪表",{"answer":43,"createTime":23,"id":44,"options":45,"question":50,"source":31,"type":32},[],234097786,[46,47,48,49],"导热块","固态继电器","温度变送器","电加热器","温度实验单元由固态继电器、电加热器、温度变送器和导热块组成,以西门子 CPU 224XP 作为控制器控制固态继电器为电加热器供电实现加热,这个实验单元中检测装置是()",{"answer":52,"createTime":23,"id":53,"options":54,"question":59,"source":31,"type":32},[],234097787,[55,56,57,58],"测量范围大","测量精度高","测量范围小","测量精度低","与数字电压表相比,模拟电压表( ) 、读数偏差大,一般只用作概略指示",{"answer":61,"createTime":5,"id":6,"options":62,"question":19,"source":31,"type":32},[],[8,9,10,11],{"answer":64,"createTime":23,"id":65,"options":66,"question":71,"source":31,"type":32},[],234097789,[67,68,69,70],"时间量","模拟量","开关量","数字量","PLC 是在传统继电器控制系统基础上发展起来的,软件、硬件结合的数字式 控制装置,侧重对()进行可编程逻辑控制",{"answer":73,"createTime":23,"id":74,"options":75,"question":78,"source":31,"type":79},[],234097790,[76,77],"正确","错误","闭环控制时旋转调速轮的手轮,&quot;实际转速&quot;I\u002FO 域显示的转速和变频器的输出频率都不会发生变化",3,{"answer":81,"createTime":23,"id":82,"options":83,"question":84,"source":31,"type":79},[],234097791,[76,77],"变频调速闭环控制实验,旋转编码器测量到的转速值只用于转速显示,并不反馈给控制器",{"answer":86,"createTime":23,"id":87,"options":88,"question":89,"source":31,"type":79},[],234097792,[76,77],"PLC 输出的控制逻辑不用连接到接触器、固态继电器等外部器件,就能够直接驱动电机、水泵、电加热器等装置",{"answer":91,"createTime":23,"id":92,"options":93,"question":94,"source":31,"type":79},[],234097793,[76,77],"步进驱动器通过控制脉冲个数实现位移量和停止位置控制,通过控制脉冲频率实现步进电机的速度和加速度控制,通过改变不同绕组给出驱动脉冲的先后顺序可以实现步进电机的换向"]