描述
控制规模还与内存区的大小有关。规模大，用户程序长，要求有更大的用户存储区。同时点数多，系统的存储器输入、输出的信号区（输入输出继电器区或称输入、输出映射区）也大。这个区大，相应地内部器件（解释见后）也要增多，这些都要求有更大的系统存储区
National Instruments NI PCI-6534 Digital Board Tested
National Instruments NI Developer Suite 2001
NATIONAL INSTRUMENTS VXI-MXI-2 VXI C SIZE CARD
National Instruments SCXI-1104 32-Channel Input Module
National Instruments NI PXI-7334 Motion Controller
One-day shipping available
NATIONAL INSTRUMENTS PCI-6025E DAQ CARD/ SH100100 CABLE
LOT NATIONAL INSTRUMENTS 4-AXIS MOTION CONTROL MODULES
National Instruments 6035E PCI card
National Instruments NI PCI-6220 Card TESTED
