描述
PLC的I／O点的价格还比较高，因此应该合理选用PLC的I／O点的数量，在满足控制要求的前提下力争使用I／O点最少，但必须留有一定的备用量。通常I／O点数是根据被控对象的输入、输出信号的实际需要，再加上10％－15％的备用量来确定。
HP Agilent OMNIBER 718 37718C Communications Analyzer
Pacific ScrubMaster 20B Walk-Behind Floor Scrubber
Fulcrum FM2224 24-Port 10-Gigabit CX4 Ethernet Switch
BAKER STERILGARD SG-400 4’ Bio Safety Cabinet Fume Hood
Sony HDM-14E5U 14″ Color Video Monitor Evaluation Grade
Hanson Media-Mate Plus Lab Prep Dissolution System
GBC CombBind C800Pro Electric Punching Binding Machine
Kaeser AB550/AB-550 4HP AirBox Center Compressor FCS-35
Malcom PC-1TL Tabletop Digital Spiral Viscometer w/VS-3
DI NanoScope III Scanning Probe Microscope Controller
