If you have ever used VMWare, you will no doubt be familiar with the concept of a *virtual switch*. In our application we had our VM Hosts in one private vlan, a few things like a PBX and document sharing in another, a public VLAN for mail/etc and a NAT firewall for public/private translation. While [...]
Archive | July, 2010
Modbus/RTU via TCP Serial Gateway with Ruby
We recently had a need to connect to a PowerLogic BCM42 through a Barionet-50 from Barix. While the Barionet-50 speaks Modbus/TCP for itself, it does not perform as a TCP/RTU gateway for devices hooked up to it via the RS485 port which is a straight serial gateway. Our project is being implemented in ruby so [...]