【单选题】【消耗次数：1】
为了满足工业自动化生产更加复杂的控制需要，PLC还配有很多I/O扩展模块接口。
①
正确
②
错误
参考答案：
复制
纠错
相关题目
【简答题】
I/O接口的功能。
随机题目
【单选题】
<img src=https://huaweicloudobs.ahjxjy.cn/FA1CF1667104B087FBDF9230F79CCBB4.png title=Unnamed QQ Screenshot20170106221430.png alt=Unnamed QQ Screenshot20170106221430.png/>
①
<img src=https://huaweicloudobs.ahjxjy.cn/0DAFD377749891DF1775713DC25C520E.png title=Unnamed QQ Screenshot20170106221442.png alt=Unnamed QQ Screenshot20170106221442.png/>
②
<img src=https://huaweicloudobs.ahjxjy.cn/BBE7B8CB85A645EA04108FA7568B046A.png title=Unnamed QQ Screenshot20170106221451.png alt=Unnamed QQ Screenshot20170106221451.png/>
③
<img src=https://huaweicloudobs.ahjxjy.cn/55D9534D5B228F800BECCD93F5F2FC0F.png title=Unnamed QQ Screenshot20170106221500.png alt=Unnamed QQ Screenshot20170106221500.png/>
④
<img src=https://huaweicloudobs.ahjxjy.cn/03851A84566B815F77F99C094564CFB2.png title=Unnamed QQ Screenshot20170106221513.png alt=Unnamed QQ Screenshot20170106221513.png/>
【单选题】
<img class=jc-formula data-tex=\begin{ pmatrix } 1 -2 \\ -2 4 \end{ pmatrix } src=https://huaweicloudobs.ahjxjy.cn/71812DE6802D9FABD43F12DF9278DA5D.png style=vertical-align: middle;/><img class=jc-formula data-tex=\begin{ pmatrix } 2 6 \\ 1 3 \end{ pmatrix } src=https://huaweicloudobs.ahjxjy.cn/276BE9C9C4E2B45DB7A52FD554F53597.png style=vertical-align: middle;/>=
①
<img class=jc-formula data-tex=\begin{ pmatrix } 1 0 \\ 0 1 \end{ pmatrix } src=https://huaweicloudobs.ahjxjy.cn/BF2D6F23EBBDEF3D6E2D6B4CF89B08FD.png style=vertical-align: middle;/>
②
<img class=jc-formula data-tex=\begin{ pmatrix } 0 0 \\ 0 0 \end{ pmatrix } src=https://huaweicloudobs.ahjxjy.cn/CE1ECC964B92735FCAEE509E835FBD6D.png style=vertical-align: middle;/>
③
<img class=jc-formula data-tex=\begin{ pmatrix } -1 1 \\ 0 0 \end{ pmatrix } src=https://huaweicloudobs.ahjxjy.cn/084C469FB6F0DEEC86A2AEE5D33934CC.png style=vertical-align: middle;/>
④
<img class=jc-formula data-tex=\begin{ pmatrix } 0 1 \\ 1 0 \end{ pmatrix } src=https://huaweicloudobs.ahjxjy.cn/99401CE41DA23E95B215E0A388AE7095.png style=vertical-align: middle;/>
【单选题】
<img src=https://huaweicloudobs.ahjxjy.cn/92A72A75490A6E38933B9D45E392DA7C.png title=Unnamed QQ Screenshot20170106131017.png alt=Unnamed QQ Screenshot20170106131017.png/>
①
<img src=https://huaweicloudobs.ahjxjy.cn/8A0C63E83310CCB6E2F311C257772D41.png title=Unnamed QQ Screenshot20170106131035.png alt=Unnamed QQ Screenshot20170106131035.png/>
②
<img src=https://huaweicloudobs.ahjxjy.cn/B0E920FC8E07B0134A944AC4A4ACA965.png title=Unnamed QQ Screenshot20170106131045.png alt=Unnamed QQ Screenshot20170106131045.png/>
③
<img src=https://huaweicloudobs.ahjxjy.cn/CE316122085BD9301290A1EB01316053.png title=Unnamed QQ Screenshot20170106131053.png alt=Unnamed QQ Screenshot20170106131053.png/>
④
<img src=https://huaweicloudobs.ahjxjy.cn/435E476303B16CDB86A3DB639DD22865.png title=Unnamed QQ Screenshot20170106131100.png alt=Unnamed QQ Screenshot20170106131100.png/>
【单选题】
<img src=https://huaweicloudobs.ahjxjy.cn/9BED0F616DF6881BC2514D4AD5C33904.png title=Unnamed QQ Screenshot20170106092536.png alt=Unnamed QQ Screenshot20170106092536.png/>
①
12
②
-12
③
24
④
-24
【单选题】
<img src=https://huaweicloudobs.ahjxjy.cn/A0429DF8AC31D8BAF23979478861C4D5.png title=Unnamed QQ Screenshot20170106091858.png alt=Unnamed QQ Screenshot20170106091858.png/>
①
（13，5）
②
（13，-5）
③
（-13，5）
④
（-13，-5）
【单选题】
<img src=https://huaweicloudobs.ahjxjy.cn/D53AB64D17EB48717F7E88258CABE22C.png title=Unnamed QQ Screenshot20170106092146.png alt=Unnamed QQ Screenshot20170106092146.png/>
①
2
②
3
③
1
④
0
【单选题】
<img src=https://huaweicloudobs.ahjxjy.cn/8113250E0F2FD0433FA093580DDA5E0E.png title=Unnamed QQ Screenshot20170106091559.png alt=Unnamed QQ Screenshot20170106091559.png/>
①
2
②
-2
③
3
④
-3
【单选题】
<img src=https://huaweicloudobs.ahjxjy.cn/7BBDFC6401E8C30E1B45A41B079EE0AA.png title=Unnamed QQ Screenshot20170106093156.png alt=Unnamed QQ Screenshot20170106093156.png/>
①
8
②
2
③
0
④
6