Monitoring Alarm Events And Analysis

Introduction

ODM alarm event logging engine filters and translates the alarm triggered from the data collected from ODM-Mobile into sequence of events, where each representing a specific occurrence in the alarm lifecycle. It is very useful in alerting user of any abnormalities, sequence of event (SOE) analysis and work prioritization. The ODM alarm event logging engine follows the standard alarm management requirement from the plant automation industry. The alarm acknowledgment model in ODM further enhances the alarming features where users are required to response to the alarm.

User can define the range of values that will generate different type of alarms. By defining the alarm range, if a reading taken falls between the ranges defined, then the alarm will be generated. These alarms will then be recorded in database and be shown to users to take appropriate actions.

- Highlight abnormal process conditions
- Alarm acknowledgement by authorized user

Types of Alarm Type:

- HiHi, Hi, Lo, LoLo alarm limits
- Deviation (% from last data)
- Alert – forced alarm from users’ observations

Alarm Events:

- Change of events: Hi → RTN → Dev → RTN → Lo → LoLo, etc

Alarm Event Page Display Option

Every logged data that is uploaded to ODM server will be processed by the ODM Alarm Event engine, where it will be verified against the predefined alarm limits. The engine will then filter and translate the alarm triggered from the data into Alarm Event, which is the sequence of events, each representing a specific occurrence in the alarm lifecycle.

Example: change of alarm event from Hi → RTN → Dev → RTN → Lo → LoLo, etc

The ODM Alarm Historical database stores alarm event data where only if there is a change of alarm event is detected. This enable user to have better visualization of the change of alarm event and to perform Sequence of Event (SOE) analysis easily.

Should user would like to view the alarm status of every data that had been logged, then user is advised to filter the data by “All Alarm”, instead of by “Alarm Event”. Alternatively, user may use the Data Listing page where every logged data is displayed.

Display option available are:

- Active Alarm - current latest alarm that is still active as on selected date
- Acknowledged Alarms only – alarm event that had been acknowledged by user
- Alarm Event only – alarm event list as per selected date range, etc (incl. RTN)
- All Alarm – all data (every single data logged by ODM-Mobile) that has alarm status as per selected date range, etc

Alarm Event Page Overview

Please note that all the filters are optional to fill in. If user would like to view all data, all the fields should leave as blank. However, retrieving all data without filtering may takes a while depending of the number of records affected.

This page allows user to filter the data to be displayed. Available filters are:

- Alarm Display type, namely:
  - View by active alarm
  - View by acknowledged alarm only
  - View by alarm event only
  - View by all alarm (for every single data logged by ODM-Mobile)
- Date range (Start Date and End Date)
- Specific shift time (if for the day only)
- Location / Equipment or Tag Group
- Tag Name
- Alarm Type

Alarm Charting

To access to the charting tools in the Alarm page, click on the “More” drop down list and the following selection will be displayed:

1. Select “Alarm Summary” from the menu: to generate the alarm distribution chart of the selected alarm
2. Select “Top 10 Alarm” from the menu: to generate the bar chart that display the Top 10 tags that has the most alarm count

Activity Timeline

The Activity Timeline section allows user to view the previous comments input by respective users in regards to the specific alarm and enable user to provide further feedback and comment. At the same time, the user may invite other ODM users to this conversation such that all users are notified of any comments made in this conversation.

To input comment and notify the users, just click on the “Comment” icon and the alarm detail page (as illustrated below) will be displayed.

1. Click on the text box “Type a message”, to insert the comment text
2. Use @ mentioned feature to include user who you wish to be notified.
3. Click on the “Attachment” button to attach any files or photo
4. Click on the “Send” button to record and post your comment

Acknowledge Alarm

After alarm is reviewed and analysed, user such as supervisor or person in charge may perform an acknowledgement action by:

1. Selecting the alarm(s)
2. Click on the “Acknowledge” icon at the top right corner of “Search” section
3. The acknowledgement window will be displayed.
4. Input a comment (if any)
5. Click on the “Ok” button to complete the alarm acknowledgement process.

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