Australia Posted 21 Oct 2011 I do not know should you experienced any achievements using this Greg, but I've a very similiar challenge. My set up is: M340 linked to Connexium Ethernet Swap linked to EGX100 Gateway connected via modbus serial Sepam Protection relay. I have written the ST in https://cruzhrcfh.blogs-service.com/51788852/the-modicon-m340-diaries