描述
当用PLC进行网络设计时，其难度比PLC单机控制大得多。首先你应选用自己较熟悉的机型，对其基本指令和功能指令有较深入的了解，并且指令的执行速度和用户程序存储容量也应仔细了解。否则，不能适应你的实时要求，造成系统崩溃。另外，对通信接口、通信协议、数据传送速度等也要考虑。
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NETAPP X1049A-R6 PCI-E QUAD-PORT 10/100/1000BT
Netapp X2054A-R6 111-00285 QUAD PORT 1/2/4 GBIT PCIE
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Netapp X2055A-R6 DUAL PORT 1/2/4 GBIT PCIE 111-00204
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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
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