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
KLA-Tencor Lower Octopole/Wein Lens 780-14108-000 Used
KLA-Tencor AIT 2 GPIO Board 386065 working
KLA-Tencor Lid Lift Leg Assy. 781-11759-000 working
KLA-Tencor CIP XP Column Extension Assy. 0110157-000
KLA-Tencor 486i Controller 0020839 Rev.AA working
KLA-Tencor High Voltage Control Module 52-1081
KLA-Tencor CRS2000 Olympus Microscope Turret BH3-5NRE-M
KLA-Tencor AIT 2 PSF Driver Board 556661 working
KLA-Tencor AIT 2 4-Channel Motor Control Board 363251
