Comments (2)
If you want to utilize data ranging in continuous register address space, considering the performance, and the data size, you can read one time from the beginning address with multiple register count as many as you want to, or if the data size is huge, you can separate the read operation into two or tree, if you don't mind the small time difference between reads.
Where you can process the data could be another module, you can route the message to that module to convert the data into meaningful values. In this case, you will need to write an IoT Edge module for this purpose to consume data from your modbus module.
If a cloud side data filtering is preferred, you can also add an Azure Function, or Azure Stream Analytics Job to filter the data from your IoT Hub. If you prefer not to use any pre-compiled code, you can use Azure Stream Analytics, where you can add an user-defined function written in javascript (https://docs.microsoft.com/en-us/azure/stream-analytics/stream-analytics-javascript-user-defined-functions) to convert the data for next data consumer.
from iot-edge-modbus.
Hello,
Thank you for the answer.
Finally I created a function in my Industrial PLC to send data to Azure IoT Hub using MQTT protocol. Then, Stream Analytics is used to filter and organize this data in Azure SQL.
As you have said, I have small time difference between messages, as per I could not pack all data in the same message, but this has not been any issue in my case.
I will consider this option for any future case as now I am finishing this project.
from iot-edge-modbus.
Related Issues (20)
- No longer being maintained HOT 2
- Invoke method not working without internet HOT 2
- ‘Operation timeout expired’ error HOT 1
- Exception Code 2 - StartAddress being passed as 0 HOT 4
- Modbus TCP problem with Siemens PAC2200
- Update to new iotedge version HOT 2
- modbus tcp connection refused on Raspberry pi 3 HOT 3
- Data not being recieved in IoT Central HOT 3
- Please update RTU configuration in Readme.md HOT 2
- Windows Container Modbus module on Windows 10 1809 LTS supports RTU? HOT 1
- Error building image HOT 2
- Support for arm64v8 HOT 3
- Add content properties to the message sent to the output HOT 4
- REAL type value is not correct in the output HOT 3
- Signalizing slave communication error HOT 1
- The While loop in the Start method freezes, when the module has more than 500 active operations HOT 2
- Cannot read data from slave HOT 2
- IoT Central Device template for iot-edge-modbus module HOT 1
- Module healthy but no data received from the device HOT 2
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