描述
大中型PLC系统应支持多种现场总线和标准通信协议(如TCP/IP),需要时应能与工厂管理网(TCP/IP)相连接。通信协议应符合ISO/IEEE通信标准,应是开放的通信网络。
PLC系统的通信接口应包括串行和并行通信接口(RS2232C/422A/423/485)、RIO通信口、工业以太网、常用DCS接口等;大中型PLC通信总线(含接口设备和电缆)应1:1冗余配置,通信总线应符合国际标准,通信距离应满足装置实际要求。
NetApp FAS980c Cluster w/8x DS14MK2 14x 144GB 15K 16TB!
Netapp FAS6070 w/12x DS14MK2 144GB 15K X275A-R5 24TB
Full Rack Netapp 14x DS14MK2AT 500GB X267A-R5 98TB!!!!
Full Rack Netapp 14x DS14MK2AT 500GB X267A-R5 98TB!!!!
Netapp FAS3020 12TB 15K X275A-R5 w/Licenses CIFS ISCSI
Rack of NetApp 14x DS14MK2 SHLF,7.0TB SATA,ACPS,QS,R5 ~
Rack of NetApp 14x DSK SHLF,7.0TB SATA,,R5 x267a-r5 ~~
Full Netapp Rack w/PDU’s (14) DS14MK2-AT w/14x X267A-R5
Rack of NetApp 14x DSK SHLF,7.0TB SATA,,R5 x267a 98TB!!