Waveshare RS485 TO ETH Manual page 27

485 TO ETH (B) User Manual
If you receive {alert:"on"} JSON data, you need to use the 05 command to set the
station address 02 and the coil starting with register 03. Then in: JSON to Modbus interface,
click "JSON Delivery"
The configuration interface is as follows: pay attention to the alert: "on setting that
needs to be written.
Figure 28 Enter JSON to send
Figure 29 Configure coil
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