System for processing and prioritizing alarms from devices on data communications network
First Claim
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1. A control system for processing alarms in a data communication network, the control system permitting prioritization of said alarms, the control system comprising:
- (a) a host computer connected to said data communications network;
(b) a memory in said host computer, said memory including a plurality of local and global alarm queues;
(c) means in said host computer for writing an alarm to a selected one of said alarm queues; and
(d) a plurality of other computer-based devices connected to said network, said computer-based devices including means for generating prioritized alarms on said network, wherein said plurality of alarm queues include a fault queue for storing fault alarms, an alert alarm queue for storing alert alarms and a warning queue for storing warning alarms.
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Abstract
A control system contains a communications network, a host computer and a programmable logic controller (PLC). The host computer includes prioritized alarm queues for receiving prioritized alarms from the programmable logic controller. Alarms fall into either a local or a global category, and each category supports three types of alarms: warnings, alerts or faults.
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Citations
13 Claims
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1. A control system for processing alarms in a data communication network, the control system permitting prioritization of said alarms, the control system comprising:
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(a) a host computer connected to said data communications network; (b) a memory in said host computer, said memory including a plurality of local and global alarm queues; (c) means in said host computer for writing an alarm to a selected one of said alarm queues; and (d) a plurality of other computer-based devices connected to said network, said computer-based devices including means for generating prioritized alarms on said network, wherein said plurality of alarm queues include a fault queue for storing fault alarms, an alert alarm queue for storing alert alarms and a warning queue for storing warning alarms. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. A control system having a communication network permitting prioritization of alarms, the control system comprising:
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(a) a host computer connected to said network having a system task, a plurality of global alarm queues associated with said system task, a plurality of user tasks, a plurality of local alarm queues associated with said user tasks, said plurality of local and global alarm queues for receiving alarms from said network; and (b) means connected to said network for writing said alarms to selected one of said alarm queues. - View Dependent Claims (9, 10, 11, 12, 13)
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Specification