描述
对于控制较复杂，要求实现PID运算、闭环控制、通信联网等功能，可视控制规模大小及复杂程度，选用中档或高档PLC。但是中、高档PLC价格较贵，一般大型机主要用于大规模过程控制和集散控制系统等场合。
NetApp X221A 18GB Fibre Channel Hard Disk Module FC8
NetApp X6513 2m SCSI LVD Cable (VHDCI-HD68)
Netapp 108-01471 Netapp 7-slot Fc-1gb Disk Enclosure
One-day shipping available
NetApp X274 144GB FC DS14, DS14 MK2 1 YEAR WARRANTY
NetApp X266B 320GB SP-266-R5 DS14 MK2 AT 108-00087+A0
One-day shipping available
NETAPP X266A 320GB ATA HD DS14 MK2 AT 108-00016+A2
One-day shipping available
NetApp X1945A SP-1945A Cluster Cable Network Appliance
NETAPP X6532-R6 NEW
Lots of 20 NetApp Eton ET866 Module for NetApp of Dell
NETAPP 111-00024 39160 SCSI ADAPTER
