描述
继电器控制逻辑依靠触点的机械动作实现控制，工作频率低，且机械触点还会出现抖动问题。而PLC是由程序指令控制半导体电路来实现控制，属于无触点控制，速度极快，且不会出现抖动。
ENI DCG-200 DC Supply 40kW DCG-200Z Refurb 0190-08033
Brooks Series 8 Robot Controller 108358 working
Varian TV 1001 Navigator Turbopump 9698930M001 untested
CTI-Cryogenics IS-1000 Compressor 8135928G001 untested
CTI-Cryogenics On-Board P300 Cryopump 0190-27350
CTI-Cryogenics On-Board P300 Cryopump 8116476G002
Neslab DI Max DEI Water To Water Cooler Chiller new
ENI Spectrum RF Generator B-5002 0190-15320 working
