System 57 brings future thinking to a new generation of gas detection, alarm and control applications. In the new world of intelligent gas detection system management, System 57 takes control. System 57 rack units provide mounting options for the System 57 channel control cards and interface cards. The racks are available complete with a DC input card and an engineering card. System 57 control cards provide display and alarm facilities for the full range of gas detectors. Their concise, backlit, multi-part display shows the gas reading and status in both analog bargraph and digital numeric forms. In addition, there is an alpha-numeric message section to give sensor (and engineering function) status.