描述
从结构上分，PLC分为固定式和组合式（模块式）两种。固定式PLC包括CPU板、I/O板、显示面板、内存块、电源等，这些元素组合成一个不可拆卸的整体。模块式PLC包括CPU模块、I/O模块、内存、电源模块、底板或机架，这些模块可以按照一定规则组合配置。
NetApp X271A 36GB 15K Universal Disk DS14, DS14 MK2
5 Year Next Business Day Warranty on All NetApp
NetApp X279A-R5-C DSK DRV,300GB,15K RPM,4Gb,FC,-C,R5
One-day shipping available
NetApp X279A-R5 DSK DRV,300GB,15K RPM,4Gb,FC,R5
One-day shipping available
NetApp X279A-R5 300GB 15K RPM Disk DS14MK4 X279A MK4
One-day shipping available
NetApp X279_S15K5288F15 DSK DRV,300GB,15K RPM,4Gb,FC,R5
One-day shipping available
NetApp SP-279A-R5 300GB 15K RPM Disk DS14MK4 DS14 MK4
One-day shipping available
NetApp X2054B-R6 4-Port 4GB Fiber Channel HBA 111-00415
One-day shipping available
Network Appliance NetApp X2017A HVD SCSI (SP-2017A)
