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三菱单项选择题五概要

1、 FX系列PLC的FX2N-4AD-PT模块,当使用指令FROM K0 K5 D100 K2 其中的K5表示()

A、BFM番号 B. 模块编号 C. CH1的温度平均值 D. CH2的温度平均值

2、目前一般变频器空调调频带宽为()HZ

A. 0――50

B. 30—110

C. 10—150

D. 0—200

3、系列PLC ,指令RS D200 D0 D500 D1中,其中的D500为()

A . 发送数据地址 B. 接收数据地址 C. 发送点数 D. 接收点数

4、F940GOT图示操作终端与PC机进行的通信是()方式。

5、FX系列PLC,指令RS D200 D0 D500 D1中,其中的D1为()

A . 发送数据地址 B. 接收数据地址 C. 发送点数 D. 接收点数

A. RS232

B. RS422

C. RS485

D. 都可以

6、FX系列PLC处理速度最快的是()。

A. FXOS

B. FXON

C. FX2C

D. FX2N

7、当计数器C10的当前值为200且X0为ON时,Y10驱动的触点比较指令是()

B.

8

A. T

B. Y

C. X

D. C

9、CMP(P)K100 D0 M10 指令执行后的结果是()

A、M10 ON

B、M11 ON

C、M12 ON

D、M13 ON113

10、ALT(66)是()指令

A. 交替输出

B. 交替输入

C. 高速计数复位

D. 速度检测

11、PLC运行后在算术运算中运算结果为零时()接通。

A. M8020

B. M8021

C. M8022

D. M8023

12、世界上第一台可编程控制器是()年研制出来的。

A. 1968

B. 1969

C.1978

D.1979

13、FX 系列应用指令中一个数与两个数区间的比较的助记符是()。

A. CMP

B.ZCP

C. HSCS

D. HSZ

14、在RS485通信时,0站变频器正转的总和校验码(无等待时间)为()。

A. H33,H39

B. H34,H39

C. H34,H42

D. H34,H37

15、当()ON 时,PLC 强制STOP 停止。

A. M8033

B. M8034

C. M8037

D. M8036

16、三菱FR-A500系列变频器[RESET]键表示()。

A. 帮助键

B. 复位键

C. 写入键

D. 读出键

17、FMOV K0 D0 K10 指令执行后的结果是( )

A 、D0---D9 ON

B 、D0---D9均为0

C 、D0---D9均为1

D 、D0---D9不变

18、电力电子器件正向压降为2V 时,其电流密度(A/CM 2)最高者为()。

A. MCT

B. IGBT

C. SCR

D. BJT

19、通过电话线远程访问FX 系列PLC 时,将PLC 的特殊数据寄存器D8120(通迅格式)的数值设定为()。

A. H9F

B. H99

C. H0

D. H10

20、三菱FR-A500系列变频器[STOP]键表示()。

A. 帮助键

B. 停止键

C. 写入键

D. 读出键

21、当有3个F940GOT 单元连接时,为保证通信正常,GOT 的电源上顺序为()。

A. 同时上电

B. 1→2→3

C. . 3→2→1

D. 1和2同时,再3

22、当计数器C10的当前值小于200且X0为ON 时,Y 10驱动的触点比较指令是()。

A.

B.

C.

D.

23、SMOV (13)是()指令。

A. 子程序调用

B. 数据处理

C. 条件传送

D. 移位传送

24、FX 系列PLC,在顺控编程中根本不能使用的指令是()。

A. 触点指令

B. 线圈指令

C. 连接指令

D. MC/MCR

25、FX系列PLC,指令RS D200 D0 D500 D1 中,其中的D0为()。

A . 发送数据地址 B. 接收数据地址 C. 发送点数 D. 接收点数

26、FX2N-4AD-PT特殊模块,可以读取华氏度,读分辨率是()。

A. 0.15华氏度-0.26华氏度

B. 0.25华氏度-0.36华氏度

C. 0.36华氏度-0.45华氏度

D. 0.36华氏度-0.54华氏度

27、当条件满足时只执行一次(即脉冲执行)将D10的内容传送到D12中的应用指令表达式是()。

A. MOV D10 D12

B. DMOV D10 D12

C. PMOV D10 D12

D. DMOVP D10 D12

28、一般通用的变频器接到电动机端子的连接线柱为()。

A. A B C

B. R S T

C. U V W

D. L1 L2 L3

29、IGBT驱动电压的范围应是()V。

A. 10—20

B. 10—25

C. 15—25

D. 15—20

30、FX2N-4AD-PT模拟特殊模块的华氏度数字输出为()。

A. 0-6000

B. -1320-11120

C. -1480-6000

D. –1480-11120

31、三菱A540系列变频器可以同时安装()块内置选择,相同的选择和通信选件只能安装1块。

A. 1

B. 2

C. 3

D. 4

32、FX系列PLC,指令PLSY K1000 D0 Y0中,其中的K1000为()。

A. 最高频率

B. 最低频率

C. 指定频率

D. 输出脉冲数

33、交-交变频器装置其输出频率为()HZ。

A. 0~25

B. 0~50

C. 0~60

D. 0~任意

34、PLC运行后在算术运算中运算结果有进位时()接通。

A. M8020

B. M8021

C. M8022

D. M8023

35、矢量控制的主要目的是提高调速系统的()。

A. 调速比

B. 静差率

C. 动态性能

D. 稳态性能

36、当()ON时,即使状态转移条件有效,状态也不能转移。

A. M8033

B. M8034

C. M8040

D. M8041

37、FX系列应用指令的目标操作数一般用字符()表示

A. S

B. D

C.m

D.n

38、如果用调频调速将风机的风量调为50%时,此时可节约电能()。

A. 50%

B. 40%

C. 75%

D. 87.5%

39、PLC其输出对输入的响应最快的是()。

A. 1MS/

B. 0.75MS/

C. 0.5MS/

D. 0.25MS/

40、PLC运行状态初始脉冲接点为ON辅助继电器()。

A. M8000

B. M8001

C. M8002

D. M8003

41、4字节是()位

A. 4

B. 8

C. 16

D. 32

42、关断时间最快的电力半导体开关元件是()。

A. 快速晶闸管

B. 可关断晶闸管

C. 电力晶体管

D. 电力场效应晶体管

43

当前值大于K100小于或等于K120

时()。

A.M3=ON

B. M4=ON

C. M5=ON

D. M6=ON

44、FX系列输出继电器代号是()。

A. T

B. Y

C. S

D. M

45、IGBT的UGE应该在()之间。

A. 5~10V

B. 10~15V

C. 15~20V

D. 20~25V

46、FX2N PLC应用指令有()。

A. 35种50条

B. 38种55条

C. 95种228条

D. 128种298条

47、REF(50)是()指令

A、刷新

B、滤波时间调整

C、报警器复位

D、报警器置位

48、INC(P)是()指令。

A. 加一

B. 减一

C.多点输入

D. 移位输出

49、富士R系列IPM智能电力模块中的开关元件是()。

A. BJT

B. MCT

C.MOSFET

D. IGBT

50、FX系列PLC通信格式可以通过特殊数据寄存器()来设定。

A. D8120

B. D8121

C. D8122

D. D8123

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