Alarms → Tutorial | Concept | How-to Guide | FDA 21 CRF 11 | Reference
Create - Navigate to Alarms → Groups
- Edit the groups:
Critical | Warning |
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- Priority: 1
- Acknowledgment: Required
| - Priority: 3
- Acknowledgment: not required
|
Define - Verify pre-defined groups exist:
Group | AckRequired | LogEvents |
Critical | Yes | ActiveAck |
Warning | No | Active |
AuditTrail | No | Active |
Modify Critical group:
- Open the ComboBox Sound field
- Select Exclamation
- Press Enter
2. Create Alarm Items
- Go to Alarms → Items
- Create alarms:
High Temperature | Low Level |
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- Tag:
Tank1_Temperature - Group: Critical
- Condition: Greater than
- Limit: 85
- Message: Tank 1 temperature exceeds limit
| - Tag:
Tank1_Level - Group:
Warning - Condition: Less than
- Limit: 10
- Message: Tank 1 level low
|
For rate-of-change monitoring:
- Name:
Pressure_Deviation
- Type: Deviation
- Tag:
Line_Pressure
- Setpoint Tag:
Pressure_Setpoint
- Deviation: ±10
- Time: 60 seconds
Audit Trail
- Go to Alarms → Audit Trail
- Enable logging:
- Login/Logout: Yes
- Tag Changes: Yes
- Alarm Acknowledgments: Yes
- Configuration Changes: Yes
Alarm Summary Display
- Go To Displays → List
- Create operator display
- Displays → New
- Add AlarmViewer control
- Configure:
- Show: Active alarms
- Columns: Time, Area, Message, Value
Test Alarms
- Start Runtime
- Open Alarms → Online
- Force tag values to trigger alarms
- Verify:
- Alarm appears in list
- Color coding correct
- Sound plays
- Email sent
- Add high temperature alarm:
Property | Value |
---|
TagName | TankFarm/Tank1/Temp |
Condition | HiHi |
Limit | 85 |
Group | Critical |
Message | Tank 1 Critical Temperature: {Tag.TankFarm/Tank1/Temp}°C |
Priority | 100 |
- Add low level alarm:
Property | Value |
---|
TagName | Tag.ankFarm/Tank1/Level |
Condition | Lo |
Limit | 20 |
Group | Warning |
Message | Tank 1 Low Level Warning |
Priority | 50 |
- Navigate to Alarms → Areas
- Create hierarchy:
Assign alarms to areas:
- Return to Alarms → Items
- Set Area =
Plant_Production_Tank1
for both alarms - Right click the columns to enable visibility for the Area column
4. Enable Audit Trail
- Go to Alarms → Global Settings
- In Audit Trail section:
- Check Enable Audit Trail
- Enable options:
- User Logon/Logoff
- Tag Changes
- Operator Actions
- Custom Messages
- Configure database retention:
- Life Time: 2555 days (7 years for FDA compliance)
5. Create Alarm Display
- Navigate to Displays → New
- Name:
AlarmMonitor
- Add AlarmViewer control from toolbox
- Double Click the button and go to Settings
- Configure:
- List: OnlineAlarms
- Columns: Time, TagName, Message, Value, Group
- Add AlarmArea control for navigation
- Save display
6. Test Alarms
- Start Runtime (Runtime → Startup)
- Open Alarms→ Alarms Monitor
- Simulate alarm conditions by changing tag values
- Verify the alarms showing in the alarm viewer
7. Verify Audit Trail
- Change AlarmViewer List to
AuditTrail
- Verify logged events:
- User login
- Alarm triggers
- Acknowledgments
- Tag changes
Excerpt Include |
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| Alarms Module |
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| Alarms Module |
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nopanel | true |
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Step-by-step guide to configure alarm groups, conditions, notifications, and audit trail for operational monitoring and FDA compliance.