描述
某些输入信号不进入PLC系统中有些信号功能简单、涉及面窄，如图6中的手动按钮、过载保护的热继电器触点等，有时就没有必要作为PLC的输入，将它们设计在PLC外围的硬件电路中同样可以满足控制要求。如果外部硬件电路过于复杂，则应考虑仍将有关信号送入可编程序控制器
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2488 neo Tascam 24 track recorder Portastudio 24 track
Tascam Dr100 Recorder Sennheiser Ew 112p G3 B-Band
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Tascam 2488NEO 24 Bit 24 Track Hard Disk Recorder
Tascam GA-100CD Guitar Amplifier/CD Trainer Combo
Tascam 2488-NEO Recorder 24 Track, 36 Channel Digital M
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