!1747-M5(金磚國(guó)會(huì))1747-M5@
!1747-M5(金磚國(guó)會(huì))1747-M5@
!1747-M5(金磚國(guó)會(huì))1747-M5@
!1747-M5(金磚國(guó)會(huì))1747-M5@
!1747-M5(金磚國(guó)會(huì))1747-M5@
!1747-M5(金磚國(guó)會(huì))1747-M5@
!1747-M5(金磚國(guó)會(huì))1747-M5@
!1747-M5(金磚國(guó)會(huì))1747-M5@
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!1747-M5(金磚國(guó)會(huì))1747-M5@
!1747-M5(金磚國(guó)會(huì))1747-M5@
狀態(tài)繼電器是PLC在步進(jìn)順控系統(tǒng)實(shí)現(xiàn)控制的重要內(nèi)部元件。它與步進(jìn)順控指令STL組合使用,運(yùn)用狀態(tài)轉(zhuǎn)移圖,編制高效易懂的程序。狀態(tài)繼電器一般分為四類,其編號(hào)及點(diǎn)數(shù)如下:
初始狀態(tài):S0∽S9(10點(diǎn));
回零:S10∽S19(10點(diǎn));
通用:S20∽S499(480點(diǎn));
保持:S500∽S899(400點(diǎn));
報(bào)警:S900∽S999(100點(diǎn));
1747-M5