# Using RS485 port on CC100 with NodeRED

**URL:** <https://www.wago.community/t/using-rs485-port-on-cc100-with-nodered/202>\
**Category:** Node-RED\
**Tags:** serial, docker, cc100, nodered\
**Created:** [August 3, 2022, 5:00pm UTC](https://www.wago.community/t/using-rs485-port-on-cc100-with-nodered/202 "2022-08-03T17:00:03Z")\
**Posts on this page:** 1\
**Showing post:** 4

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**Author:** ![WagoKurt](https://sea2.discourse-cdn.com/flex016/user_avatar/www.wago.community/wagokurt/32/11_2.png) [@WagoKurt](https://www.wago.community/u/WagoKurt)\
**Post date:** [June 14, 2023, 2:50pm UTC](https://www.wago.community/t/using-rs485-port-on-cc100-with-nodered/202/4 "2023-06-14T14:50:41Z")

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Please see this post;

> [@How To: Using PFC200 Onboard Serial Port with Node-RED](https://www.wago.community/t/how-to-using-pfc200-onboard-serial-port-with-node-red/68/2):
>
> To change the serial port mode you can use the command line tool found in /etc/config-tools directory called set\_serial\_mode. cd /etc/config-tools/ To use RS485 (default): ./set\_serial\_mode rs485 To use RS232: ./set\_serial\_mode rs232 [image]

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