# A question about souce code of ModbusDriver-v2

**URL:** <https://forum.inductiveautomation.com/t/a-question-about-souce-code-of-modbusdriver-v2/3652>\
**Category:** General Discussion\
**Created:** [November 23, 2011, 2:35pm UTC](https://forum.inductiveautomation.com/t/a-question-about-souce-code-of-modbusdriver-v2/3652 "2011-11-23T14:35:01Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![wengzijue](https://avatars.discourse-cdn.com/v4/letter/w/ee59a6/32.png) [@wengzijue](https://forum.inductiveautomation.com/u/wengzijue)\
**Post date:** [November 23, 2011, 2:35pm UTC](https://forum.inductiveautomation.com/t/a-question-about-souce-code-of-modbusdriver-v2/3652/1 "2011-11-23T14:35:01Z")

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I have read the example of Ignition-ModuleSDK-7.2.8\example\ModbusDriver-v2.

I am wondering which code is sending the original data to modubus driver and which code is receiving original data from the modbus driver,.please give me some help,thank you

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**Author:** ![Kevin.Herron](https://sea1.discourse-cdn.com/inductiveautomation/user_avatar/forum.inductiveautomation.com/kevin.herron/32/7259_2.png) [@Kevin.Herron](https://forum.inductiveautomation.com/u/Kevin.Herron)\
**Post date:** [November 23, 2011, 6:17pm UTC](https://forum.inductiveautomation.com/t/a-question-about-souce-code-of-modbusdriver-v2/3652/2 "2011-11-23T18:17:27Z")

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I’m not sure what you mean by “original data”… Can you elaborate?

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<div class="post-metadata">

**Author:** ![wengzijue](https://avatars.discourse-cdn.com/v4/letter/w/ee59a6/32.png) [@wengzijue](https://forum.inductiveautomation.com/u/wengzijue)\
**Post date:** [November 24, 2011, 7:51am UTC](https://forum.inductiveautomation.com/t/a-question-about-souce-code-of-modbusdriver-v2/3652/3 "2011-11-24T07:51:33Z")

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I mean the data which send to modbus driver such as "Function Code+Starting Address+Quantity of Registers " and the data which is responded by the modbus driver.