无效报警的优化方案

Optimized Solutions for Invalid Alarms

大量无效报警严重扰乱正常工艺操作,造成频繁误停车或导致危险发生,带来严重的经济损失,甚至可能成为安全隐患。通过较为全面地分析各类无效报警产生的原因,并给出包括合理设计报警设定点、静态及动态报警抑制,设计信号过滤器及防抖动功能,合理设计仪表精度及量程等优化解决方案及实施细节,消除各类无效报警,可以大幅地提升企业的自动化管理水平,做到真正的本质安全。

Lots of invalid alarms seriously disturb normal process operation,and lead to frequent spurious shutdown,or cause danger occuring.Serious economic loss will be involved,even to be developed to potential safety hazard.The root cause of all kinds of invalid alarm are discussed comprehensively.The optimized solutions and implementation details are provided including reasonable designing alarm setting,static and dynamic alarm suppression,signal filter and de-bounce function,instrument accuracy and range.To eliminate all kinds of invalid alarms can improve the automatic management of enterprises greatly,and achieve the intrinsic safety.