1768-L43 智能模块

6FC5371-0AA30-0AB0
T8403
4351B
2DS100.60-1
USIO21
UFC760BE43
UFC760BE42
SST-PFB3-VME-2
UFC760BE1142
3HAC028357-001
UFC760BE1142
PCI-8517

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描述

箱体式的PLC还有I/O扩展箱体,它不含CPU,仅有电源及I/O单元的功能。扩展箱体也依I/O点数的多少划分有不同的规格。

除上述模块,PLC还有特殊的或称智能或称功能模块。如A/D(模入)模块、D/A(模出)模块、高速计数模块、位控模块、温度模块等等。这些模块有自己的CPU,可对信号作预处理或后处理,以简化PLC的CPU对复杂的程控制量的控制。智能模块的种类、特性也大不相同,性能好的PLC,这些模块种类多,性能也好。

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