# Modbus Client Functions codes

**URL:** <https://forum.inductiveautomation.com/t/modbus-client-functions-codes/20180>\
**Category:** Ignition\
**Created:** [October 16, 2018, 1:10pm UTC](https://forum.inductiveautomation.com/t/modbus-client-functions-codes/20180 "2018-10-16T13:10:49Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![guipinper](https://avatars.discourse-cdn.com/v4/letter/g/ce73a5/32.png) [@guipinper](https://forum.inductiveautomation.com/u/guipinper)\
**Post date:** [October 16, 2018, 1:10pm UTC](https://forum.inductiveautomation.com/t/modbus-client-functions-codes/20180/1 "2018-10-16T13:10:49Z")

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Hello guys,  
Is it be possible to use non-standard modbus functions code in the modbus device? I would like to use the function code 7 (Read Exception Status).  
Thanks in advance.

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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:** [October 16, 2018, 1:19pm UTC](https://forum.inductiveautomation.com/t/modbus-client-functions-codes/20180/2 "2018-10-16T13:19:37Z")

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No, that’s not possible right now unfortunately.