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產品特點
1、外觀精美,掛墻式安裝;
2、支持(chi)RS485接口，PLC通訊免(mian)編程;
3、支持IC卡、ID卡;
4、接口(kou)具有防浪涌、防過壓(ya)、防過流、防雷擊、防靜電(dian)等(deng)保護;
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