题目内容

S120连接两台同步电机,一台连接endat2.1编码器,一台连接sin/cos编码器,硬件组态好,通过编写相应的程序,可以在平面上画各种图形。

A. 对
B. 错

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S120在进行初次调试时,需要在startdrive中S120的驱动轴中进行设备调试,也需要在PLC中的工艺对象进行设备调试

A. 对
B. 错

Mode = 1相对式直接回原点与Mode = 0相同,以该模式触发MC_Home指令后轴并不运行,只是更新轴的当前位置值。更新的方式与Mode = 0不同,而是在轴原来坐标值的基础上加上“Position”数值后得到的坐标值作为轴当前位置的新值。

A. 对
B. 错

G120的编程是启动16#047F,停止16#047E,反转16#0C7F

A. 对
B. 错

Now listen to something morechallenging and fill in the blanks.The words inbrackets will give you some hints.[音频]After being entertained in l) _________ home, you should always give your thanks to 2)________. The fact that you have brought them 3)______doesn't mean that you no longer need to express your gratitude. That is to say, one can never "buy" thanks 4)________.A telephone call or an email might be the most convenient way to 5)________. But your host and hostess would appreciate it 6)_______if you write a thank-you letter. You'd better take a piece of your best writing paper and write 7) ________instead of typing. This will help to give your letter a personal touch. Besides 8) ______how much you have enjoyed yourself, you should also say some good words properly about 9)_______personal beauty, cooking, the house or the children. To the host, you may mention the friends he has introduced to you,or 10)______ you have talked about together.

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