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ghf09
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樓主  發(fā)表于: 2014-11-28 09:26
dp.還是 modbus？
wuwm_1974
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1樓  發(fā)表于: 2014-11-28 23:32
當然485的多,DP的通訊需要配置專(zhuān)門(mén)的通訊卡,而485通訊已經(jīng)集成到主板中了.便宜,成熟

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