Waveshare RS485 TO ETH Manual page 20

485 TO ETH (B) User Manual
Then design two object types in steps 1.1.1 and 1.1.2, Modbus source data
workshop_id and fixed string source data machine_code.
Note here that you need to click "Go to the next", in the empty content node (that is,
1.1.3), click "Return to the previous level" to enter "1.2". 1.1.3 here is actually a non-existent
node.
"1.2" is also an array type, and the data source is nested JSON, please refer to step 1.1.
After that until "1.2.2", click "Save all and exit" directly.
Figure 18 Step 1.1.1
Figure 19 Step 1.1.2
20 / 36 www.waveshare.com