1SBP260102R1001 结构性能

1SBP260101R1001
1SBP260100R1001
1SBP260054R1001
1SBP260052R1001
1SBP260051R1001
1SBP260024R1001
1SBP260021R1001
1SBP260014R1001
1SBP260012R2002
1SBP260012R1001
1SBP260011R1001
1SBP260010R1001
1SBP260001R1001

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Description

PLC的结构虽有箱体及模块式之分,但从质上看,箱体也是模块,只是它集成了更多的功能。在此,不妨把PLC的模块组成当作所有PLC的结构性能。这个性能含义是指某型号PLC具有多少种模块,各种模块都有什么规格,并各具什么特点。一般讲,规模大的PLC,档次高的PLC模块的种类也多,规格也多,反映它的特点的性能指标也高。但模块的功能则单一些。相反,小型PLC、档次低的PLC模块种类也少,规格也少,指标也低。但功能则多样些,以至于集成为箱体。

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