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Modbus与PROFIBUS-DP协议比较

作者：时间：2016-12-19 来源：网络

Modbus的协议内容是完全公开的，内容是简单滴，实现起来是非常容易滴，单片机、PLC、DCS统统都能轻易实现

Profibus则要复杂一些，关键是需要专用芯片进行二次开发，并且需要得到上级组织的认证，开发成本肯定高不少

当然从性能上讲，基于串口的modbusrtu/ASCII通讯性能肯定比不过profibusdp，但是就一些仪表级的简单通讯或者控制器级别的小数据量通讯，modbus是足以胜任的。

说白了，就是modbus是*丝，profibus是高富帅

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关键词： ModbusPROFIBUS-DP协议比

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