描述
PLC可分为箱体式及模块式两大类。微型机、小型机多为箱体式的，但从发展趋势看，小型机也逐渐发展成模块式的了。如OMRON公司，原来小型机都是箱体式，现在的CQM1则为模块式的。
National Instruments NI PCI-MIO-16E-1 PCI-6070E card
National Instruments 181340D-31 SCSI Controller
National Instruments NI AT-MIO/AI-16XE-10 Multifunction
NI NATIONAL INSTRUMENTS VXI-MXI-2 183345D-03 VXI
National Instruments GPIB-232CV IEEE488-RS232 Converter
National Instruments GPIB-PRL IEEE488-Parallel Conv.
National Instruments Discrete Output Module FP-DO-400
Expedited shipping available
National Instruments PC-DIO-24/PNP
