Fault Tolerant Gas Detection Control Systems Features � High level fault tolerance � Inputs fused and isolated � Dual Redundant power supplies � Dual Redundant alarm relays � Modbus addressable for remote displays Drill floor Mud Logging Unit Management Offices � Modbus addressable for reporting to HMI � High density data logging Alarm events Calibration intervals & data Real time readings trended to 5 second intervals Maintenance history