描述
在DCS系统中,远程I/O采用HART总线比较多。比如现场的变送器,离控制器机柜距璃比较远,把16个变送器来的信号编成为一组,用HART总线把信号送到控制器,空制器同时读进16个变送器来的信号。控制器和变送器两者距离可达1公里以上
National Instruments AT-GPIB/TNT 181830F-01 Card
National Instruments GPIB X2 4.1 Meter Cable 763061-03
National Instruments NB-GPIB Mac NuBus Card 180510-01
National Instruments PXI-1000B 8-slot 3U PXI Chassis
National Instruments BNC-2110 185124F-01 Connector
National Instruments. PCI-6281
National Instruments PXI-8185 Data Collection PC