Australia Posted 21 Oct 2011 I do not know for those who experienced any results using this Greg, but I have an exceptionally similiar problem. My set up is: M340 connected to Connexium Ethernet Change linked to EGX100 Gateway linked by means of modbus serial Sepam Security relay. I've prepared https://modicon-m58042054.blog-mall.com/19805275/modicon-fundamentals-explained