CDD32.003.C2.1
在60年代，汽车生产流水线的自动控制系统基本上都是由继电器控制装置构成的。当时汽车的每一次改型都直接导致继电器控制装置的重新设计和安装。随着生产的发展，汽车型号更新的周期愈来愈短，这样，继电器控制装置就需要经常地重新设计和安装，十分费时，费工，费料，甚至阻碍了更新周期的缩短。为了改变这一现状，美国通用汽车公司在1969年公开招标，要求用新的控制装置取代继电器控制装置，并提出了十项招标指标，即：
(1）编程方便，现场可修改程序；
(2）维修方便，采用模块化结构；
(3）可靠性高于继电器控制装置；
(4）体积小于继电器控制装置；
(5）数据可直接送入管理计算机；
(6）成本可与继电器控制装置竞争；
(7）输入可以是交流115V；
(8）输出为交流115V，2A以上，能直接驱动电磁阀，接触器等；
(9）在扩展时，原系统只要很小变更；
(10）用户程序存储器容量至少能扩展到4K。
福州卓凯电子科技有限公司
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【产品质量】全新原装**，有**
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Bag 270 Round Non-Threaded 3/16" OD Standoff Sleeve 3/8" Length, 0.116" ID
Bag 28 Tefzel Natural Color Grommet Strips 12.75" Long, 0.136" Inside Width
Bag 5 Gits MFG 1102-1 Model 04102 Press Fit Observa-Dome DW-40 Bright Brass
Bag 50 Dillin Engineering 200 5M Timing Belts 5mm Pitch, 40 Teeth, 6mm Wide NIB
Bag 500 Nylon Grommet Strip 12.75" Long Natural Color, 0.096" Inside Width
Bag 850+ TE Connectivity SO96-2-01 Shield Terminators w/ Solder Sleeve& Braid
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Bag 95 Natural Color Tefzel Grommet Strips 12.75" Long, 0.133" Inside Width
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Bag of 100 Round Non-Threaded Standoff 3/16" OD, 3/8" Length, 0.116" ID
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Bag of 25 Glenair 559-002-06 Environmental Conductive Gasket 3.01" Long
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Bag of 25, 4ft Sections of Raychem RNF-100-1-CL-STK Heat Shrink Tube
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Bag of 28ft in Various Lengths Raychem RNF-100-2-CL-STK Heat Shrink Tube
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Bag of 40 Dixon TPN-33 Fittings 3/8" Barb x 3/8" Male NPT Nylon NIB
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Bag of 40 Harwal Nitrile Shaft Seal with HW09 Lip Type 8mm ID, 14mm OD NIB
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