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 DS14 MK4 Shelf w/ 14x 144GB 15K FC X278A DS14MK4
One-day shipping available
NetApp DS14 MK4 w/14x 144GB 15K X278A-R5 X278A DS14MK4
One-day shipping available
NetApp DS14MK4 w/14x 144GB 15K 2.106TB! DS14 MK4 X278A
One-day shipping available
Network Appliance NETAPP DS14MK4 W/14 X 144GB 15K HD,
One-day shipping available
NetApp DS14MK4 Disk Shelf w/14x 144GB 15K FCAL 2TB ~~
One-day shipping available
NetApp DS14MK4 SHLF,AC,14x144GB,15K,B,ESH4,-C,R5 ~~
One-day shipping available
NetApp X306A-R5 X306A R5 2TB 7.2K RPM 3Gb SATA HDD
2 year warranty – we buy and sell networking equipment
