描述
抗干扰与外部互锁当PLC输出带感性负载，负载断电时会对PLC的输出造成浪涌电流的冲击，为此，对直流感性负载应在其旁边并接续流二极管，对交流感性负载应并接浪涌吸收电路，可有效保护PLC。当两个物理量的输出在PLC内部已进行软件互锁后，在PLC的外部也应进行互锁，以加强系统的可靠性。
NetApp X3930B Motherboard Network Appliance
NetApp X3940A FAS980 Motherboard
NETAPP DS14MK4 w/ (14) X291A-R5 450GB 15K FC-AL
NetApp Compatible DS14Mk2 FC Disk Shelf ESH2 14 x 300GB
NetApp DS14 mk4 w/ 4.2TB ESH4 & 14x 300GB 15k X279 A R5
NetApp DS14 MK2 14 X 300GB 15K FC 2 X ESH2 2G 4.2TB
NetApp DS14mk2 AT Shelf w/ 14 X269A-R5 1TB SATA
NetApp 14 x X269A-R5 Disk Drives DS14MK2
NetApp 14 X269A-R5 1TB SATA DS14mk2 AT Shelf
NetApp DS14MK2 Hard drives 14 x X269A-R5
