Ebyte E90-DTU User Manual page 9

Chengdu Ebyte Electronic Technology Co., Ltd.
Click "Read Parameters" to know that the default Modbus address of the device is 1. If the serial bus
connected to the device already has address 1, the address can be configured to other values here. If Modbus RTU
protocol transmission and remote configuration are not performed, it can be ignored. address parameter;
After the configuration is complete, click "Restart Device", and all parameters will take effect after restarting;
Use the same method to configure another low-power digital radio, and modify the Modbus address to 2 to
avoid address conflict during remote configuration and Modbus RTU transmission. No Modbus RTU protocol
transmission and remote configuration can be ignored, as shown in the following figure:
Click "Reboot Device":
To exit the "configuration mode" only need (M0 dial up), you can send and receive data, as shown in the
figure below:
Send and receive as follows:
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E90-DTU(400SL30L)_UserManual_EN
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