超聲波流量計(jì)上RS485的傳輸距離： RS-485總線 通信距離 最大傳輸距離為2.7km 最大傳輸距離為1.2km 傳輸速率 300-1.25Mbps 300-9.6Kbps 網(wǎng)絡(luò)結(jié)構(gòu) 分布式任意結(jié)構(gòu) 主從式集散控制 網(wǎng)絡(luò)容量 采用三層結(jié)構(gòu)，即域﹑子網(wǎng)和節(jié)點(diǎn)，系統(tǒng)的節(jié)點(diǎn)數(shù)量沒有任何限制，神經(jīng)元芯片中包含48位ID號(hào)，是全世界唯一的 總線網(wǎng)
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2012年6月9日
超聲波流量計(jì)上RS485的傳輸距離
Tags: 超聲波流量計(jì)上RS485的傳輸距離
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