[多选题]S7-200PLC有哪几种扩展模块？

A、数字量扩展模块：EM221、EM222、EM223
B、模拟量扩展模块：EM231、EM232、EM235
C、通信模块：EM227
D、现场设备扩展模块：CP243；

参考答案： ABCD

相关题目:

相关内容

● Mainly eat 3 or 4 partly cloudy to overcat occaional rain（）lowly outh moderate or good.
● （）any cae or upected cae of quarantinable dieae，or any cae of eruptive dieae or any death be dicovered，the local quarantine officer mut be notified immediately．
● Should any cae or upected cae of quarantinable dieae，or any cae of eruptive dieae or any death be dicovered，the local Quarantine Officer mut be（）immediately.
● Mater are（）olely reponible for all damage or accident of whatever kind reulting from the navigating or handling of their veel by day or by night.
● 系统中雷达状态包括Unknown、Operational（or ON）、Failed（or OFF）、Detached。
● Owner are to be reponible for lo of or damage to the good or delay in delivery of the good only in cae the lo，damage or delay ha been caued by the improper or negligent towage of the good．Thi mean that（）.
● The carrier i liable for lo of or damage to the good or delay in delivery caued by fire，（）the claimant prove that the fire aroe from fault or neglect on the part of the carrier，hi ervant or agent.
● Shutdown price（or point，or rule）停业价格（或停业点、停业原则）
● 翻译：With Average or With Particular Average（WA or WPA）（）
● 系统论、信息论、控制论是机电一体化技术的理论基础，是机电一体化技术的方法论。
● S7-200PLC有哪几种扩展模块？
● （）hall be liable for lo of and damage to the Veel and／or good ariing or reulting from inaccuracie in tating the decription，quantity，weight，meaurement or content.