簡(jiǎn)而言之，模擬量輸入就是將模擬量傳感器、變送器的電量信號(hào)通過模擬量輸入模板輸入到PLC中，并應(yīng)用程序進(jìn)行轉(zhuǎn)換為數(shù)值。而模擬量輸出就是應(yīng)用程序?qū)?shù)值通過模擬量輸出模板輸出到相應(yīng)的外部設(shè)備中。必備的知識(shí)點(diǎn)：
a、首先要熟悉S7-200PLC模擬量輸入、輸出模塊的硬件特性。
b、要熟悉S7-200PLC模擬量輸入、輸出模塊的接線方法；
c、要熟悉S7-200PLC模擬量輸入、輸出模塊的方式設(shè)置；
d、要熟悉模數(shù)、數(shù)模轉(zhuǎn)換的方法；
e、要熟悉S7-200PLC相關(guān)的編程指令；
f、要熟悉你應(yīng)用的模擬量傳感器、變送器的電氣特性及接線方法。
主營(yíng)產(chǎn)品：Schneider，F(xiàn)oxboro，Ovatin，Allen-Bradley，Siemens等各類工控產(chǎn)品，


聯(lián)系人：黃生(銷售工程師) 
移動(dòng)電話:18030263579 
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