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
Mannesmann Rexroth Hydraulic Valve 4WE6J60/EG24N9K4 NEW
MANNESMANN REXROTH HYDRAULIC VALVE 4WE10E32/CW110N9DA
Mannesmann Rexroth Directional Valve 24VDC 1.25A 4WE6G2
MANNESMANN REXROTH HYDRAULIC VALVE DC COILS 24 VOLT NEW
MANNESMANN REXROTH G96-N9K4-50-3246 USPP G96N9K4503246
MANNESMANN REXROTH Z2FS-6-2-43/2QV NSPP Z2FS62432QV
REXROTH MANNESMANN CONTROL VALVE 4WE6E61/EW110N9DA
REXROTH MANNESMANN HYDRAULIC VALVE 4WE6E52/AG24NDAV
NEW Mannesmann Rexroth Hydraulic Valve, # 571 110 020 0
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