diff --git a/docs/FAQ/RS485_tips_and_tricks.md b/docs/FAQ/RS485_tips_and_tricks.md index 84fae2d..bd75dc0 100644 --- a/docs/FAQ/RS485_tips_and_tricks.md +++ b/docs/FAQ/RS485_tips_and_tricks.md @@ -24,3 +24,16 @@ The led will light up everytime data passes over the bus providing more informat Consider [this article on electrical-engineering](https://electrical-engineering-portal.com/correct-cabling-modbus-rs485) a must read. + +### **Using a dedicated Wago RS485 module** +Depending on requirements a dedicated RS485 module might be required instead of using the onboard serial port of the device (if available). + +Based on user experience in this field, pay attention to: +- reset the module to factory settings before using. +- last confirmed working version of required libraries: + - WagoSysModule_75x_65x: Version 1.9.5.2 + - WagoTypesCom: Version 1.6.1.3 +- change the 'comport' in the RS485 master function block you intend to use. +- make sure the wiring of the module is correct: + + \ No newline at end of file diff --git a/docs/_img/WagoRS485ExternalWiring.gif b/docs/_img/WagoRS485ExternalWiring.gif new file mode 100644 index 0000000..0cc08e8 Binary files /dev/null and b/docs/_img/WagoRS485ExternalWiring.gif differ