描述
当你的系统输出频率为每分钟6次以下时，应首选继电器输出，因其电路设计简单，抗干扰和带负载能力强。当频率为10次／min以下时，既可采用继电器输出方式；也可采用PLC输出驱动达林顿三极管（5—10A），再驱动负载，可大大减小。
Enlarge
NETAPP FAS3050 Filer Head Network Appliance FAS 3050
NetApp DS14MK2 14 X 300GB 10K FC 2 X ESH2 X276A
NetApp R200 NearStore Head Unit 6GB 2X2.4GHz XEON
NetApp FAS3020 Filer with DK14MK2 (14 X 500 GB HDD)
NetApp X3129 NVRAM III Card 64MB for F85 SP-3129
NetApp C1100A NetCache C1100 1 x 9GB – NEW
NetApp X680DC FC9 FC-AL Disk Shelf
NetApp X748A DC Power Supply
Netapp Filer FAS3020 1 Yr Warranty Network Appliance
Netapp FAS3020 Filer Head 1 YEAR WARRANTY
