Central alarm (ca) unit in a gas monitoring system including gas sensors and gas sensor controllers

A central alarm (CA) unit in a gas monitoring system including gas sensors and gas sensor controllers operatively connected to respective gas sensors, the CA unit comprising:

• a communications module configured to communicate with the gas sensor controllers, wherein each gas sensor controller is configured to communicate with respective gas sensors;
• a gas sensor controller monitoring module configured to receive from each gas sensor controller a signal including aggregated status information of gas sensors operatively connected to the respective gas sensor controller, wherein the gas sensor controller monitoring module is further configured to cause display of gas sensor controller graphical indicators, each gas sensor controller graphical indicator corresponding to the aggregated status information of gas sensors operatively connected to the respective gas sensor controller, and wherein the gas sensor controller monitoring module is further configured to receive a command requesting disaggregated status information of the gas sensors operatively connected to the respective gas sensor controller;
• and
• a gas sensor monitoring module configured to receive from each gas sensor controller a signal including disaggregated status information of the gas sensors operatively connected to the respective gas sensor controller, wherein the gas sensor monitoring module is further configured to, upon the gas sensor controller monitoring module receiving the command requesting disaggregated status information of the gas sensors operatively connected to the respective gas sensor controller, cause display of gas sensor graphical indicators, each gas sensor graphical indicator corresponding to the disaggregated status information of a respective gas sensor, thereby the CA unit providing real time or near real time status information at a central level.

A central alarm (CA) unit in a gas monitoring system including gas sensors and gas sensor controllers operatively connected to respective gas sensors, the CA unit comprising:

• a communications module configured to communicate with the gas sensor controllers, wherein each of the gas sensor controllers is configured to organize gas sensors operatively connected to the gas sensor controller in monitoring zones, each monitoring zone including one or more gas sensors;
• a gas sensor controller monitoring module configured to receive from each gas sensor controller a signal including aggregated status information of the gas sensors operatively connected to the gas sensor controller, wherein the gas sensor controller monitoring module is further configured to cause display of a gas sensor controller graphical indicator corresponding to the aggregated status information of the gas sensors operatively connected to the gas sensor controller, and wherein the gas sensor controller monitoring module is further configured to receive a command requesting disaggregated status information of the gas sensors operatively connected to the gas sensor controller;
• a monitoring zone mapping module configured to receive from each gas sensor controller a signal including disaggregated status information of the gas sensors operatively connected to the gas sensor controller, wherein the monitoring zone mapping module is further configured to, upon the gas sensor controller monitoring module receiving the command requesting disaggregated status information of the gas sensors operatively connected to the gas sensor controller, cause display of gas sensor graphical indicators, each gas sensor graphical indicator corresponding to the disaggregated status information of a gas sensor, the gas sensor graphical indicators displayed as groups, each group corresponding to a monitoring zone.

A central alarm (CA) unit in a gas monitoring system including gas sensors and gas sensor controllers operatively connected to respective gas sensors, the CA unit comprising:

• a communications module configured to communicate with a remote computer through a network and with the gas sensor controllers, wherein each gas sensor controller is configured to communicate with respective gas sensors;
• a gas sensor controller monitoring module configured to receive from each gas sensor controller a signal including aggregated status information of gas sensors operatively connected to the respective gas sensor controller;
• a gas sensor monitoring module configured to receive from each gas sensor controller a signal including disaggregated status information of the gas sensors operatively connected to the respective gas sensor controller;
• and
• a remote gas monitoring module configured to generate a gas monitoring information message upon at least one of the aggregated status information and the disaggregated status information indicating that at least one gas sensor is in alarm status, wherein the remote gas monitoring module is further configured to cause the communications module to transmit the gas monitoring information message to the remote computer, each gas monitoring information message including data corresponding to the at least one of the aggregated status information or the disaggregated status information to thereby provide central level status information to remote locations.