题目内容

S7-200PLC中循环移位指令是()。

A. RCL与RCR
B. ROL与ROR
C. SHL与SHR
D. MOV_BIR与MOV_BIW

查看答案
更多问题

S7-200PLC中,字节循环移位指令的最大移位数为16位。

A. 对
B. 错

S7-200PLC中,移位寄存器指令每当EN端由1变0时,寄存器按要求移位一次。

A. 对
B. 错

S7-200PLC中,双字循环移位指令的N指移位位数。

A. 对
B. 错

1 Danes pay taxes of up to _____.2 _____ of all Danes are members of a club.3 _____ volunteer to help other people.4 Most Danes work _____ hours each week.5 They usually have _____ weeks of vacation.Almost 30 % bike to work.[音频]

答案查题题库