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UNS →  Tutorial | Concept | How-to Guide | ISA-95 | Reference

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Understanding Tag Types

Some fundamental tag types supported by the platform:

Type	Use Case	Example
Digital	On/Off states	Motor_Running
Integer	Whole numbers	Product_Count
Double	Decimal values	Temperature
Text	Strings	Batch_ID
DateTime	Timestamps	Last_Update

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Step 1: Create Tank Farm Tags

1. Open Unified Namespace → Asset Tree
2. Create folder structure:
   • Right-click → New Folder: TankFarm
   • Create subfolders: Tank1
3. Create Tank1 tags:

• Select the Tank1 folder, then click the Add Tag button
• The Tag will be created inside that folder
• If you create in a wrong place, just drag drop to the correct location

Name	Type	Folder	Min	Max	Units	Description
Level	Double	TankFarm/Tank1	0	100	%	Tank level percentage
Temp	Double	TankFarm/Tank1	0	150	°C	Tank temperature
Pressure	Double	TankFarm/Tank1	0	50	PSI	Tank pressure
PumpStatus	Digital	TankFarm/Tank1	-	-	-	Pump running status
ValvePosition	Integer	TankFarm/Tank1	0	100	%	Valve position

Quick duplication for Tank 2 & 3

1. Select the Tank1 Folder
2. Right-click the mouse and Copy (Ctrl+C)
3. Select the TankFarm
4. Paste (Ctrl+V)
5. Repeat the process to create Tank3
6. Paste again and replace for Tank3

Step 2: Create Production Tags

Used for counters, batching, and KPI calculations:

1. Add production tags:

Name	Type	Path	Description
Production_Count	Integer	Production	Units produced
Production_Rate	Double	Production	Units per hour
Batch_ID	Text	Production	Current batch identifier
Batch_Start	DateTime	Production	Batch start time
Shift_Number	Integer	Production	Current shift (1-3)
Quality_Score	Double	Production	Quality percentage

In order to create those tags quicker, just copy copy-paste this table Select the entire table, include the titles (Name, Type, Path, Description) Open Unified Namespace →Tags Right-Click on the first row (insertion) row and execute PASTE if by mistake you left-click, instead of right click, you selected one specific cell to edit If that happen, either press ESC, or click with the mouse outside the grid area, to close that editing.  This command will automatically create the Production folder, and the tags. Navigate to Unified Namespace →Asset Tree to confirm the tags are in the expected folder

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Step 3: Create Equipment Tags

For motor control and equipment status:

1. Create folder: Equipment
2. Add equipment tags:

Name	Type	Folder	Description
MotorRunning	Digital	Equipment	Motor on/off
MotorSpeed	Double	Equipment	Motor RPM
MotorCurrent	Double	Equipment	Motor current (Amps)
MotorHours	Double	Equipment	Run hours
ConveyoSpeed	Double	Equipment	Belt speed (m/s)

Use similar expedite process you used for the other tags

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Step 4: Configure Tag Properties

Add Simulation (for testing)

1. Select Tank1_Level
2. In properties:
   • Simulation: Ramp
   • Period: 60 seconds
3. For temperatures (random variation):
   • Select all temperature tags
   • Simulation: Random
   • Min: 20, Max: 30

Set Retentive Values

For production counters:

1. Select Production_Count
2. Enable Retentive checkbox
3. Preserves value through restart

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Step 5: Create Motor UserType

Build a reusable template:

1. Navigate to Unified Namespace → UserTypes
2. Create new type: MotorType
3. Add members:
   • Running (Digital)
   • Speed (Double, 0-3600 RPM)
   • Current (Double, 0-100 Amps)
   • Hours (Double, retentive)
   • FaultCode (Integer)
4. Return to Tags
5. Create instances:
   • Name: Motor2, Type: MotorType
   • Name: Motor3, Type: MotorType

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Step 6: Create System Tags

For scripts and calculations:

Name	Type	Initial Value	Description
System_Running	Digital	0	System status
Calc_Average	Double	0	Calculated average
Alarm_Count	Integer	0	Active alarm counter
Report_Trigger	Digital	0	Report generation trigger

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Step 7: Test Your Tags

1. Click Run (F5)
2. Open Unified Namespace → Monitor
3. Verify:
   • Simulation values changing
   • Folder structure visible
   • UserType instances expanded
4. Double-click values to modify manually

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Tag Summary

You've created ~40 tags that serve as the foundation for:

• Alarms: Level and temperature monitoring
• Historian: Time-series data collection
• Scripts: Calculations and logic
• Displays: Visual representations
• Reports: Production metrics

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Next Steps

With tags configured, proceed to:

• [Alarms & Audit-Trail] - Monitor tank levels
• [Historian: Store & Trend] - Log process data
• [Scripts & Data Enrichment] - Add calculations
• [Complete Solution] - Build full application

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