Modbus Rtu Protocol Demonstration - Ebyte E90-DTU User Manual

Low-power digital radio

Hide thumbs Also See for E90-DTU:

Table of Contents

Chengdu Ebyte Electronic Technology Co., Ltd.

4.5.2 Modbus RTU protocol demonstration

First dial down the M0 dial code, after the configuration parameters are completed, switch the host to the left

mode and the slave to the right mode, and the host configuration parameters are as shown in the figure below (left),

and the slave configuration parameters are as follows (right).

Use the Modbus simulation master (Modbus Poll) to connect with the "radio" configured as the master mode,

and use the Modbus simulation slave (Modbus Slave) to connect with the "radio" configured as the slave mode.

The host timeout time of Modbus Poll simulation needs to be adjusted according to "WOR period", "early

wake-up time", "sensor timeout time", Modbus host timeout time = WOR period + early wake-up time + sensor

timeout time, read device address configuration For 4, avoid addresses 1 and 2 used by "station";

The slave configuration of Modbus Slave simulation is as follows:

E90-DTU(400SL30L)_UserManual_EN

Table of Contents

400sl30l