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Communicating with modbus rtu slave on Arduino
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I am trying to test the functionality of this product and how i can use it to pull data from an Arduino. Excuse my questions if they seem very basic as I am not experienced in this area nor in programming.
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Is the Mango application considered the Modbus Master or do I need a seperate device that is the Master that Mango talks with?
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For testing between the Mango application and modbus rtu slave running on Arduino does anyone have input as how best to set this up to run a test to make sure my communications are working?
Thank you.
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Hi mgvanosd,
- Your Arduino needs to be a modbus slave. You don't need a separate device.
You can use jpmzometa's mobus rtu slave library in your Arduino. I added some code to make it work with Mango. In the meantime this has been included in the library. You can download it from:
http://sites.google.com/site/jpmzometa/arduino-mbrt/arduino-modbus-slave
- Some sample code can be found here:
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