描述
PLC与DCS的区别，但我们应该认识到，PLC与DCS发展到，事实上都在向彼此靠拢，严格的说，现在的PLC与DCS已经不能一刀切开，很多时候之间的概念已经模糊了。现在，我们来讨论一下彼此的相同（似）之处。
Control Systems Hostess ISA Card quad RS-232 Serial
Hard Drive Western Digital Caviar 2850 99-004178-014 WD
Hard Disk Drive Conner FK9LJYJ CFS541A STY04 HDD
HD Drive Western Digital WD Caviar 14300 AC14300-00RTT2
Hard Disk Drive Fujitsu MPF3102AT CA05423-B321 CAVA01
Epox EP-5BVPXB Socket7 Motherboard ISA Rev 1.3 Via VPX
QDI P51430TX P5I430TX Titanium 1B+ Socket7 Motherboard
KM-S4-1 486 Motherboard Small Tiny PCI Jamicon U6923 MB
SCSI Hard Disk 50-pin Fujitsu M2266SA 5.25 FH
SCSI Hard Disk 50-pin Seagate ST4766NV 94191-766 5.25FH
SCSI Hard Disk 50-pin DSP3105 RH27A-YF 3.5
