描述
PLC控制系统的程序设计要点。PLC控制系统I/O分配,依据生产流水线从前至后,I/O点数由小到大;尽可能把一个系统、设备或部件的I/O信号集中编址,以利于维护。定时器、计数器要统一编号,不可重复使用同一编号,以确保PLC工作运行的可靠性。
NETAPP 114-00012+D0 440W DS14 PSU
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NetApp AT-FCX Module X5612 A 2Gb/sec
NetApp X5511 A ESH 2 Storage Controller Module 2Gb/sec
NEW NetApp X5605A R100 R150 Storage Shelf EMU 106-00005
Expedited shipping available
NetApp X1946A Cluster Cable SP-1946A Network Appliance
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Network Appliance NetApp FAS960C Filer w/ cards (4)
Network Appliance NetApp FAS960C Filer w/ cards (2)
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