# BACnet driver used at a modbus to BACnet gateway

**URL:** <https://forum.inductiveautomation.com/t/bacnet-driver-used-at-a-modbus-to-bacnet-gateway/90461>\
**Category:** Ignition\
**Created:** [May 15, 2024, 8:56pm UTC](https://forum.inductiveautomation.com/t/bacnet-driver-used-at-a-modbus-to-bacnet-gateway/90461 "2024-05-15T20:56:42Z")\
**Posts on this page:** 1\
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**Author:** ![pturmel](https://sea1.discourse-cdn.com/inductiveautomation/user_avatar/forum.inductiveautomation.com/pturmel/32/3295_2.png) [@pturmel](https://forum.inductiveautomation.com/u/pturmel)\
**Post date:** [May 15, 2024, 10:03pm UTC](https://forum.inductiveautomation.com/t/bacnet-driver-used-at-a-modbus-to-bacnet-gateway/90461/3 "2024-05-15T22:03:00Z")

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Well, you could add my alternate Modbus driver and set it up to be a Modbus RTU slave. It would need a fair amount of scripting to move data in both directions, but it is certainly possible. This topic might help:

> [@Modbus Slave/Server to Generate Read Only Tags](https://forum.inductiveautomation.com/t/modbus-slave-server-to-generate-read-only-tags/87583/21):
>
> I've create a generic "Modbus Publish" script that eliminates the need for a second set of tags. I've publicly posted it here: [https://www.automation-pros.com/ignition/modbusPublish.py](https://www.automation-pros.com/ignition/modbusPublish.py) It requires the "Queue Utility" script posted here: [https://www.automation-pros.com/ignition/queueUtil.py](https://www.automation-pros.com/ignition/queueUtil.py) and described over here: Both scripts rely on my Integration Toolkit's globalVarMap() script function, but you can rework that (not quite 1:1) to use system.util.getGlobals() if you must. (Not recomme…

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