SGDR-AXA01A
CAN总线与RS485方式的区别：
特性RS-485方式CAN总线
拓扑结构直线拓扑直线拓扑
传输介质双绞线双绞线
硬件成本很低每个节点成本有所增加
总线利用率低高
网络特性单主结构多主结构
数据传输率低高可达1Mbps
容错机制无由硬件完成错误处理和检错机制
通讯失败率很高极低
节点错误的影响故障节点有可能导致整个网络瘫痪故障节点对整个网络无影响
通讯距离<1.2Km可达10Km（5Kbps）
厦门卡库电气有限公司
联系人：严工
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