The Remote Interface Unit allows standard DeltaV I/O cards to be installed remotely from the controller. The remote subsystem, consisting of the Remote Interface Unit, system power supply, carriers, and I/O cards, can be located in Zone 2. The Remote Interface Unit communicates with the controller over redundant, Control Network (ethernet) connections.
Connections and Dimensions
The Remote Interface Unit mounts in the controller slot of a 2-wide carrier and has redundant ethernet connections to the DeltaV Control Network switch or hub. Connect the primary port to the primary switch or hub and the secondary port to the secondary switch or hub. The primary Control Network connection is capable of 10/100Mbit ethernet while the secondary connection is limited to 10Mbit ethernet.
