[导读] 大家好，我是逸珺，前面总结了一下RS-485的一些要点，今天来总结一下Modbus-RTU协议，原本想把实现思路也一起发出来，但是感觉太长了，就拆开了。 前世今生 照例简单说下这个协议的历时，Modicon公司于1979年制定了Modbus协议标准，并用在其PLC产品上。

I have 10 different modbus rtu devices I want to query. Each is 'home run' via conduit to a central location. I have cat 5 going to each device, with a db9 serial coupling on each end. How should I ...

The Metz Connect Modbus Gateway MR-GW helps integrate Modbus RTU devices into a Modbus TCP network and offers a cost-effective communication option of Modbus TCP clients with one or more Modbus RTU ...

A diagram of Modbus system architecture, in which the DO-1 monitoring device integrates field-level RS485 devices into the Ethernet-based monitoring system. Learn how affordable and straightforward ...