描述
工作速度是指PLC的CPU执行指令的速度及对急需处理的输入信号的响应速度。工作速度是PLC工作的基础。速度高了，才可能通过运行程序实现控制，才可能不断扩大控制规模，才可能发挥PLC的多种多样的作用。
National Instruments MC-GPIB IEEE 488.2 PCI Card – NEW!
NATIONAL INSTRUMENT FP-TB-1 USPP FPTB1
NATIONAL INSTRUMENT SCXI-1326 USPP SCXI1326
National Instruments AT-GPIB/TNT IEEE 488 Interface
NATIONAL INSTRUMENTS GPIB-PCIIA IEEE-488.2 181065-01
National Instruments CB-68LPR
NEW NATIONAL INSTRUMENTS CIRCUIT BOARD MODEL AT-GPIB
National Instruments bus interface.Card NB-DIO-32F
Expedited shipping available
National Instruments PCI-Step 184905B-01
Expedited shipping available
National Instruments PCI-232/485 BOARD 4CH 184683E-01
National Instruments VXI-MXI-2 PC to MXIbus Interface
