A fluid isolation valve having a valve body with a first fluid flow port, a second fluid flow port and a fluid drain port with a valve in the fluid drain port. Some embodiments detect anomalies based on time-series activity in network traffic. The invention further relates to hybrid rice seeds and plants produced by crossing the inbred rice line 053001 with another rice line. A programmable delay element inside the interface unit is programmed using a delay value generated by a delay manager unit inside the controller.