Description
PLC控制和DCS控制系统不是一个逻辑层次上的概念,从名称上就能看出:PLC是以功能命名,DCS是以体系结构命名。从原理上看PLC就可以组成DCS。当然两者性能差异还是存在的,要具体看产品和需要。从应用角度来说,简单地以PLC,DCS来区分,往往会走人误区。
National Instruments GPIB-PCII/IIA 181065-02E ISA Card
National Instruments PCI 232/485 8ch board with cable
National Instruments AT-MIO-16DE-10 w/ 60 day warranty
National Instruments AT-GPIB/TNT Plug and Play NI
National Instruments SCXI-1100 32 Ch Multiplexer Amp
National Instruments NI PCI-6220 PCI Card tested
NATIONAL INSTRUMENTS 100 Pin 2 meter Cable SH100-100-F
National Instruments 181060-01 AT-GPIB Card IEEE 488.2
National Instruments PCI-6110 NI DAQ Card 4ch 5MS/sec
National Instruments GPIB 422CV 256K 180465-02 Rev B1