描述
PLC与电气回路的接口,是通过输入输出部分(I/O)完成的。I/O模块集成了PLC的I/O电路,其输入暂存器反映输入信号状态,输出点反映输出锁存器状态。输入模块将电信号变换成数字信号进入PLC系统,输出模块相反。I/O分为开关量输入(DI),开关量输出(DO),模拟量输入(AI),模拟量输出(AO)等模块。
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Reliance 86466-87R Rectifier Stack “New”
RELIANCE ELECTRIC 0-51829-2 USPP 0518292
RELIANCE ELECTRIC 0-54309 USPP 054309
RELIANCE ELECTRIC 0-52712 NSFP 052712
RELIANCE ELECTRIC 0-55341 PC BOARD
RELIANCE ELECTRIC P56H1799 NSPP P56H1799
RELIANCE ELECTRIC 0-51811-3 USPP 0518113
RELIANCE ELECTRIC P56J2301M-FA USPP P56J2301MFA
RELIANCE ELECTRIC P56J2340N-LH USPP P56J2340NLH
RELIANCE ELECTRIC 14C-102 NSFP 14C102
RELIANCE ELECTRIC 415710-13A USPP 41571013A