【单选题】【消耗次数:1】
FX2系列辅助继电器代号是____。
X
Y
S
M
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相关题目
【单选题】 FX2系列输入继电器代号是____。
①  X
②  Y
③  S
④  M
【单选题】 FX2系列输出继电器代号是____。
①  X
②  Y
③  S
④  M
【单选题】 FX2系列状态元件代号是____。
①  X
②  Y
③  S
④  M
【单选题】 FX2系列定时器元件代号是____。
①  Y
②  T
③  S
④  M
【单选题】 FX2N系列PLC编程元件有输入输出继电器(X与Y)、辅助继电器(M)、状态继电器(S)、定时器(T)、计数器(C)、数据寄存器(D)等六大类。
①  正确
②  错误
【判断题】 LD指令和LDI指令的操作元件可以是输入继电器X、输出继电器Y、辅助继电器M、状态继电器S、定时器T、和计数器C、中的任何一个。
①  正确
②  错误
【单选题】 1秒特殊辅助时钟脉冲继电器代号是____。
①  M8011
②  M801 2
③  M8013
④  M8014
【单选题】 辅助继电器(M)采用()编号。
①  二进制
②  十进制
【判断题】 FX系列PLC的输入继电器采用8进制编号。
①  正确
②  错误
【单选题】 FX2N的输出继电器最多可达(????)点?。
①  128
②  64
③  256
④  512
随机题目
【单选题】 Heres a letter for you, Jim!? - Oh, [填空] is from my friend.
①  he
②  it
③  she
④  it's
【单选题】 The building is twice [填空] big as that one.
①  as
②  so
③  for
④  at
【单选题】 John is not [填空] young as you.
①  so
②  more
③  much
④  much more
【单选题】 I often watch [填空] TV in [填空] evening.
①  a,the
②  an,the
③  /,the
④  /,a
【单选题】 May [填空] speak to Jack?
①  I
②  me
③  us
④  we
【单选题】 When we speak to people, we should be ______.
①  as polite as possible
②  as polite as possibly
③  as politely as possible
④  as politely as possibly
【单选题】 He arrived [填空] Guiyang [填空] night.
①  in; in
②  to; at
③  in; at
④  at; in
【单选题】 His father began to work ______ he was seven years old.
①  as old as
②  as early as
③  as soon as
④  as much as
【单选题】 There is an apple [填空] the tree.
①  in
②  on
③  at
④  for
【单选题】 Sunday is the?[填空] day of a week.
①  one
②  first
③  second
④  a