描述
在I/O板中从硬件来说应该有能接收现场总线来的信号的输入、输出板。从软件来说在控制器中应该有读取和写到现场总线信号的功能块。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
NEAT 310 Programmable Brush/Brushless Servo Controller
310-S Servo Controller
Oriental Motor DSP501H Speed Controller DIN RAIL 100v
Bodine ABL-3912E SCR DC Brushless Controller +motor
in: 115VAC, 15a — out: 0-130VDC, 3a w/22B2BEBL-D3
National Instruments GPIB-SCSI-A Controller/Interface
Elmo PSS-12/200H Automation Power Supply 12a 200v peak