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I want to design or redesign an alarm system
There are several areas where an alarm management software package
can assist the design process:
Providing a central location for the operating intelligence you
will gather as you research alarm design
Maintaining a journal of design notes and comments
Automating the selection of alarm priority settings
During the process of reviewing and planning alarm settings you
will collect valuable information about your operation, such as
a realization that you really don't need an alarm on that flow meter,
or a sideways comment from an operator about an alarm that should
go to maintenance instead.
Storing these nuggets of feedback and insight is invaluable as an alarm design reference and if made available to operators, can be helpful as operator guidance.
LogMate AMS provides an Alarm Knowledge Base (AlarmKB) that organizes
this kind of information into heirarchies of Tags/Points and related
alarms. KB entries can be looked up by a design engineer or by operators,
through our online browser interface. The AlarmKB will save you
hours of debate and rework by saving the background and rationale
behind design decisions.
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An additional benefit of alarm management software is automation
of alarm priority selection. Good design principles support alarm
priority distributions where the majority of alarms are in the lower
priority range. Good alarm management software not only provides
a way for you to view your priority distribution, it also has an
on-board facility for automatic priority assignment.
In short, the software allows you to identify categories and degrees
of alarm impact, such as Eafety and Equipment, and High, Medium,
Low. As you select the impact characteristics of alarms, the software
uses a calculation to assign recommended priorities. You can then
compare your projected priority distribution to a recommended target
and adjust accordingly.
The LogMate AMS priority assignment tool is based on EEMUA guidelines
and allows for extensive customization for your needs and operation.
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