The Lutron Machine driver allow the Fieldserver Gateway to transfer data to and from devices over RS-232 using Lutron eLumen protocol. The FieldServer can emulate either a Server or Client, although the Lutron Machine driver is only available in Client configuration.
| Configuration | Lutron Grafik Machine Zone/Area |
| Category | Protocol Converter; Gateway |
| Manufacturer | Sierra Monitor |
| Bus | Lutron eLumen |