描述
控制规模主要指控制开关量的入、出点数及控制模拟量的模入、模出，或两者兼而有之（闭路系统）的路数。但主要以开关量计。模拟量的路数可折算成开关量的点，大致一路相当于8～16点。
National Instruments PCIStep PCI STEP Card184903A-14
Expedited shipping available
National Instruments NI-VXI Text Utilities Ref. Manual
NATIONAL INSTRUMENTS NI PCI-DIO-96 Digital DAQ Board
NATIONAL INSTRUMENTS NI PCI-DIO-96 Board 182920D-01
NATIONAL INSTRUMENTS NI PC-DIO-24/PNP ISA 183873B-01
NATIONAL INSTRUMENTS NI PCI Serial RS-232-485 2 port
3pcs National Instruments AT-MIO-16D/AT-AO-6/10 DAC PCB
A77921 National Instruments PCI-GPIB Board 183617F-01
NATIONAL INSTRUMENTS NI AT-MIO/AI-16XE-10 MULTIFUNCTION
National Instruments: 181830E-01 AT-GPIB/TNT Card
National Instruments GPIB 422CV 256K 180465-02 Rev B1
