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。
RELIANCE ELECTRIC 5FR4042 NSPP 5FR4042
RELIANCE ELECTRIC 603515-5D NSFP 6035155D
RELIANCE ELECTRIC 0-56303 NSPP 056303
RELIANCE ELECTRIC 57C-492 USPP 57C492
RELIANCE ELECTRIC 086466-060R NSPP 086466060R
RELIANCE ELECTRIC 803623-R USPP 803623R
RELIANCE ELECTRIC 61C-540 NSPP 61C540
RELIANCE ELECTRIC 15FR7721 USPP 15FR7721
RELIANCE ELECTRIC 45C-272 USPP 45C272
RELIANCE ELECTRIC 0-51851 NSFP 051851
RELIANCE ELECTRIC 0-60031-5 USPP 0600315
RELIANCE ELECTRIC 0-60031-6 USPP 0600316