# Rs485 modbus hardware?

**URL:** <https://forums.losant.com/t/rs485-modbus-hardware/1343>\
**Category:** Help\
**Created:** [December 19, 2018, 3:12am UTC](https://forums.losant.com/t/rs485-modbus-hardware/1343 "2018-12-19T03:12:24Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![paul\_wareham](https://avatars.discourse-cdn.com/v4/letter/p/ed8c4c/32.png) [@paul\_wareham](https://forums.losant.com/u/paul_wareham)\
**Post date:** [December 19, 2018, 3:12am UTC](https://forums.losant.com/t/rs485-modbus-hardware/1343/1 "2018-12-19T03:12:24Z")

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Is anyone out there using hardware gateways with the Losant Edge Agent that have rs485/modbus built in?

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**Author:** ![Tim\_Hoffman](https://avatars.discourse-cdn.com/v4/letter/t/ebca7d/32.png) [@Tim\_Hoffman](https://forums.losant.com/u/Tim_Hoffman)\
**Post date:** [December 20, 2018, 2:22am UTC](https://forums.losant.com/t/rs485-modbus-hardware/1343/2 "2018-12-20T02:22:32Z")

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We are using RS485 MODBUS on pi’s

Given the edge agent only works with TCP I use mbusd as a TCP/Serial proxy installed as  
systemd service and the edge agent talks to localhost

> **[3cky/mbusd](https://github.com/3cky/mbusd)**
>
> Open-source Modbus TCP to Modbus RTU (RS-232/485) gateway. - 3cky/mbusd

Works a treat as long as you don’t have a RS485 cable running too close to a noisy VSD 😉 - the USB RS485 adaptors we where using inputs where getting killed by the noise on the VSD switching on. (poor choice of RS485 adaptor)

We also use the ProconX MODG modbus gateway. [https://www.proconx.com/modbus-tcp-gateway](https://www.proconx.com/modbus-tcp-gateway)  
These work well. There are a bunch of these devices out there.

T