描述
I/O继电器，或称映射区。它与PLC所能控制的I/O点数及模拟量的路数直接相关。内部继电器数，有的称为标志位数，代表着PLC的内部继电器数。它与I/O继电器区相联系着，有时与后者相联系进行处理。内部继电器多，便于PLC建立复杂的时序关系，以实现多种多样的控制要求。一般讲，内部继电器数比I/O继电器要多得多。
NetApp C6100 NetCache
NetApp FAS940 Filer w/2x DS14MK2 14x 144GB 15K X275A
Lot 50pc NetApp 500GB SATA SP-267 X267A-R5 108-00088
NetApp FAS3020 Filer DS14MK2-AT 14x 750GB X268A-R5
NetApp FAS3020 Filer w/ DS14MK2-AT 14x 750GB X268A-R5
NetApp 14 x 1TB SATA Shelf X269A disks / N-Series Bezel
NetApp DS14MK4 Disk Shelf w/ 7x 450GB 15K FC X291A MK4
NetApp FAS3020 Filer w/DS14MK2 14x 300GB 10K 4.2TB!!!!!
NetApp FAS3020 Filer w/DS14MK2 14x 300GB 10K 4.2TB!!!!!
NetApp FAS3020 Filer w/DS14MK2 14x 300GB X276A 4.2TB!!!
NetAPP FAS270 Network Appliance Filer + 14 x 300GB
