Scada-systemsHow-ToBeginner · 4 min read

How to Configure Data Logging in SCADA Systems Easily

To configure data logging in a SCADA system, define the tags or points you want to log, set the logging interval, and specify the storage location in the SCADA software settings. Most SCADA platforms provide a data logging configuration interface where you enable logging for each tag and choose the format like CSV or database storage.

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Syntax

Data logging configuration in SCADA typically involves these parts:

Tag/Point Selection: Choose which data points to log.
Logging Interval: Set how often data is recorded (e.g., every 1 second, 1 minute).
Storage Destination: Define where logs are saved (local file, database, cloud).
Format: Select the file format like CSV, SQL database, or proprietary format.

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DataLoggingConfig {
  tags: ["Temperature", "Pressure", "FlowRate"]
  interval: 60  # seconds
  storage: "/var/scada/logs/data.csv"
  format: "CSV"
  enabled: true
}

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Example

This example shows a simple SCADA data logging setup that logs three tags every 60 seconds into a CSV file.

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DataLoggingConfig {
  tags: ["Temperature", "Pressure", "FlowRate"]
  interval: 60
  storage: "/var/scada/logs/data.csv"
  format: "CSV"
  enabled: true
}

Output

Logging started for tags: Temperature, Pressure, FlowRate Data logged every 60 seconds to /var/scada/logs/data.csv

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Common Pitfalls

Common mistakes when configuring data logging in SCADA include:

Not enabling logging for selected tags, so no data is recorded.
Setting too short an interval, causing large files and performance issues.
Incorrect storage path or permissions, preventing log file creation.
Choosing incompatible file formats for the analysis tools.

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Wrong configuration example:
DataLoggingConfig {
  tags: ["Temperature"]
  interval: 0  # invalid interval
  storage: "/invalid/path/data.csv"
  format: "CSV"
  enabled: false  # logging disabled
}

Correct configuration example:
DataLoggingConfig {
  tags: ["Temperature"]
  interval: 60
  storage: "/var/scada/logs/data.csv"
  format: "CSV"
  enabled: true
}

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Quick Reference

Configuration Item	Description	Example
tags	List of data points to log	["Temperature", "Pressure"]
interval	Time in seconds between logs	60
storage	File path or database connection	"/var/scada/logs/data.csv"
format	Log file format	"CSV" or "SQL"
enabled	Enable or disable logging	true

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Key Takeaways

Always enable logging explicitly for each tag you want to record.

Choose a logging interval that balances data detail and storage size.

Verify storage paths and permissions to avoid logging failures.

Select a log format compatible with your data analysis tools.

Test logging configuration to confirm data is recorded as expected.