HCFFAEAGABC2BAA1XD REF615C-D GE

3HAB8215-1 User’s Guide ABB FCS
3HAB8216-1 User’s Guide ABB
3HAB8257-1 Cable Floppy disc unit ABB
3HAB8289-1 Rotational ac motor ABB
3HAB8318-1 Sealing plug ABB
3HAB8381-1 Gear Z6/5 ABB
3HAB8463-1 Foot Std/F ABB PC
3HAB8508-1 Spacer ABB I

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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。

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