IS200GDDDG1A GE

3HAC13489-1 ABB
3HAC13708-1 ABB
3HAC13805-1 ABB
3HAC13863-2 ABB
3HAC13908-4 ABB
3HAC13960-2 ABB
3HAC14000-5 ABB
3HAC14053-1 ABB
3HAC14090-1 ABB

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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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