【单选题】【消耗次数:1】
STL指令将步进触点接到左母线。
正确
错误
参考答案:
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相关题目
【判断题】 STL指令使副母线返回到原来左母线的位置。
①  正确
②  错误
【判断题】 步进梯形指令包括STL和RET两条指令。
①  正确
②  错误
【判断题】 线圈不能直接与左母线相连,必须从触点开始,以线圈或指令盒结束。
①  正确
②  错误
【判断题】 状态寄存器(S)是用来记录系统运行中的状态,与步进顺控指令STL配合应用 。
①  正确
②  错误
【判断题】 状态继电器的S0~S999,只有在使用SET指令以后才具有步进控制功能,提供步进触点。
①  正确
②  错误
【单选题】 STL指令的操作元件为____。
①  定时器T
②  计数器C
③  辅助继电器M
④  状态元件S
【单选题】 FX系列PLC除20条基本指令外,还有两条功能很强的步进顺控指令,简称步进指令。
①  正确
②  错误
【判断题】 梯形图程序触点的并联网络多连在左侧母线。
①  正确
②  错误
【判断题】 STL指令可以应用于中断程序及子程序中。
①  正确
②  错误
【判断题】 步进梯形指令仅对状态器S有效。
①  正确
②  错误
随机题目
【单选题】 Scientists are hoping for ain the search for a cure for cancer.
①  breakthrough
②  breakdown
③  breakup
④  breakout
【单选题】 Ia toast to the friendship between the peoples of the two countries.
①  compose
②  impose
③  propose
④  oppose
【单选题】 When we returned, the party wasand the dance floor was crowded.
①  in full swing
②  in full view
③  in full cry
④  in full bloom
【单选题】 Mr. Kent is one of those happy people whopleasure from helping others.
①  deceive
②  deprive
③  devise
④  derive
【单选题】 The Analectscontains passages thatand arouse readers’ minds.
①  inspire
②  expire
③  aspire
④  conspire
【单选题】 How they transport players from hotels to grounds is now the biggest point.
①  at large
②  atfault
③  at ease
④  at issue
【单选题】 Imitation is the highest form of flattery. So when a person follows or matches your body language, it signals they areyou.
①  in accountwith
②  in comparisonwith
③  in conflictwith
④  in sync with
【单选题】 Some drugs cause blurred vision and changes in color, or increased tears.
①  reception
②  perception
③  conception
④  deception
【单选题】 If you continually criticize children, you can seriouslytheir confidence.
①  underline
②  underestimate
③  underlie
④  undermine
【单选题】 She realized that her youth and inexperience were being.
①  explored
②  exploited
③  explode
④  exported