Built for 24/7 industrial environments

Real-Time Data Acquisition
for Siemens PLCs

Professional software for continuous logging, monitoring, and analysis of data from S7 PLCs with automatic export and an intuitive interface.

📥 Download Free Demo View Specifications

Why Professionals Choose It

⚡

Real-Time Monitoring

Low-latency data acquisition with sampling up to 100 Hz. No data loss, no delays.

🔧

Simple Integration

Setup in minutes. Native support for S7-300, S7-400, S7-1200, S7-1500. No complex configuration.

📊

Automatic Export

Direct export to CSV, Excel, databases. Scheduled automation for daily reports.

🛡️

Industrial Stability

Tested 24/7 in production environments. Robust error handling and automatic recovery.

Technical Specifications

Sampling Frequency
100 Hz
Up to 10,000 data points per second per configured channel
Average Latency
< 50 ms
From PLC data to disk logging
Buffer Capacity
1 GB
Protection against data loss during network interruptions
Simultaneous Tags
512
Parallel monitoring of hundreds of PLC variables

Key Features

🔌 S7 Communication

Native ISO-on-TCP protocol. Direct read/write to/from Siemens PLCs.

💾 Multi-Format Logging

CSV, Excel XLSX, JSON, SQLite. Flexible output format selection.

🌐 Built-in Web Server

Web dashboard for browser-based monitoring. Access from any device on the network.

⏰ Scheduling

Automatic export every hour, day, week. Configurable timers for scheduled exports.

📈 Real-Time Statistics

Min, Max, Mean, Standard Deviation calculated automatically during acquisition.

🔒 Authentication

Local login, LDAP/AD support, TLS encryption for web dashboard.

Analyze Your Data — S7 Logger Viewer Included

All S7 Data Logger plans include the integrated Viewer to analyze recorded CSV files. Charts, statistics, and filters in real time — directly from the software, at no extra cost.

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Interactive Charts

Visualize time trends of your data with zoom, pan, and real-time statistics.

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Instant Statistics

Min, Max, Mean, Standard Deviation. Automatic calculations for every variable.

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Filters & Export

Filter by time ranges, export subsets of data to new CSV for further analysis.

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Fast Diagnostics

Troubleshoot in seconds. Identify anomalies, trends, and alarm causes.

📌 The Viewer is included free in all plans — Starter, Professional, and Enterprise.

Use the Logger to record data, use the Viewer to analyze it. Everything in one solution.

S7 Data Logger in Action

Intuitive interface, simple configuration, real-time charts, and a web dashboard — all integrated into the software.

📊 Real-Time Web Dashboard
S7 Data Logger Web Dashboard

View PLC data in browser. Interactive charts, live statistics, 6 variables monitored simultaneously.

⚙️ Chart Configuration
S7 Data Logger Configuration

Setup charts and variables to monitor. Select columns, configure parameters, start monitoring.

📈 Multi-Chart Analysis
S7 Data Logger Trends

Panel with detailed time trends. 4 charts of different variables displayed simultaneously with interactive zoom.

🔌 Active PLC Connection
S7 Data Logger PLC Connection

PLC connection status: 131.108.78.60, 6 variables reading, Web Dashboard active on localhost:8080.

📋 Automatic Export
S7 Data Logger Export

Automatic export to CSV, Excel and databases. Custom scheduling for daily reports.

📊 Real-Time Statistics
S7 Data Logger Statistics

Automatic calculation of Min, Max, Mean, Standard Deviation during data acquisition.

🔔 Alarm System
S7 Data Logger Alarms

Real-time event and alarm monitoring. Immediate notifications for anomalies and threshold violations.

🌐 Multi-Device Dashboard
S7 Data Logger Multi-Device Dashboard

Access from any device on the network. Responsive dashboard for PC, tablet and smartphone.

Protocols & Compatibility

Native support for major industrial standards

ISO-on-TCP (S7)
Modbus TCP/RTU
OPC-UA
MQTT
REST API
WebSocket

Windows 10/11 Pro, Windows Server 2019+. Requirements: .NET 6.0 Runtime, 500MB RAM minimum.

Testimonials

★★★★☆

"We reduced troubleshooting time by 60%. The interface is intuitive and integration with our S7 PLCs was immediate."

Marco Rossi
Automation Manager, Textile Company
★★★☆☆

"Stable, reliable, and accurate. We use it in 3 plants 24/7 with no issues. Great support."

Andrea Martini
Plant Manager, Metalworking
★★★★☆

"The best price-to-quality ratio on the market. We replaced two enterprise products with one S7 Data Logger."

Elena Verdi
IT Automation, Food & Beverage

Comparison with Competitors

Feature S7 Data Logger Competitors
License (Single PC) € 450 / one-time € 2,000+ / year
Setup & Configuration < 5 minutes Hours of consulting
Multi-Format Logging ✓ ✗
Web Dashboard ✓ ✗
Integrated Viewer ✓ Included ✗
OPC-UA Support ✓ ✓
Offline Buffer 1 GB Limited
Free Updates ✓ Unlimited Annual plan

Plans & Pricing

Starter

€ 299
Single PC license, one-time
  • 1 S7 Data Logger instance
  • Up to 128 simultaneous tags
  • CSV + Excel Export
  • Integrated Viewer ✓
  • Email support (48h)
  • Lifetime updates
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Professional

€ 599
Single PC license, one-time
  • Unlimited instances (local network)
  • Up to 512 simultaneous tags
  • CSV + Excel + JSON + SQLite
  • Web Dashboard + REST API
  • Integrated Viewer ✓
  • Priority support (24h)
  • Lifetime updates
Buy Now

Enterprise

Custom
Contract for 24/7 production environments
  • Unlimited instances (multi-site)
  • Integrated Viewer ✓
  • 24/7 dedicated support
  • 99.9% SLA
  • Customizations
  • On-site training included
  • Custom API & integrations
Contact Sales

All plans include a 15-minute free trial. No credit card required.

Start Your Free Trial Today

15 minutes per session. No credit card required.

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Contacts

For commercial requests, technical support, or a personalized demo, write or call us. We respond within 24 business hours.

✉️ info@s7datalogger.it 📞 +39 333 364 2681

Or follow us on LinkedIn for product updates and news.

Giuseppe Campagna
Software Engineer & Industrial Automation Developer
S7 Data Logger – Technical Contact