描述
继电器控制线路中各继电器同时都处于受控状态，属于并行工作方式。而PLC的控制逻辑中，各内部器件都处于周期性循环扫描过程中，各种逻辑、数值输出的结果都是按照在程序中的前后顺序计算得出的，所以属于串行工作方式。
Wyko Veeco NT2000 Optical Profiler Zygo KLA Tencor
KLA-Tencor Prometrix FT-750 Film Thickness Measurement
KLA-Tencor Prometrix FT-750 Film Thickness Measurement
KLA-Tencor CRS 3000 300MM COMPLETE SYSTEM
KLA Tencor Ultrapointe Laser Imaging System LIS-1010
KLA Tencor Surfscan 4500
KLA-Tencor Prometrix FT-600 Film Thickness Measurement
Automated in-line film thickness mapping system w/ C2C
KLA-Tencor 2139 ECS Theta Z Assy. 740-695328-000 new
KLA-Tencor AIT 2 Upper Opto-Mech NNC 0024755-001
KLA-Tencor AIT 2 Rear Collector Assy. 0032129-000
KLA-Tencor AIT 2 Front Collector Assy. 0032131-001
KLA-Tencor AIT Upper Opto-Mech 0024755-000 working
KLA-Tencor AIT 2 Collector Assy. 0074311-000 working
