What is IACS (Industrial Automation and Control Systems)?
IACS stands for Industrial Automation and Control Systems — a collective term for all systems, components and networks involved in automatically controlling, monitoring and managing industrial processes.
Think of PLCs, SCADA, DCS, RTUs, field devices and networks that together provide process automation in factories, utilities, power plants or infrastructure.
🧱 What falls under IACS?
| Component | Description |
|---|---|
| PLC | Programmable logic controller for local machine control |
| DCS | Distributed systems for complex process control |
| SCADA | Supervisory Control and Data Acquisition for monitoring |
| HMI | Interface for operators |
| RTU | Remote Terminal Unit, often deployed at remote locations |
| Sensor / Actuator | Field devices for measuring and actuating |
| Industrial Ethernet | Network protocols such as ProfiNET, Ethernet IP |
🏭 Where are IACS used?
- Manufacturing and industry (chemicals, food, pharma, automotive)
- Utilities (water treatment, power generation, gas distribution)
- Infrastructure (bridges, tunnels, rail, traffic systems)
- Buildings (via BMS or HVAC systems)
🛡 Securing IACS
Because IACS are often business-critical and safety-relevant, cybersecurity is essential. Key standards and guidelines:
- IEC 62443 – international framework for OT security
- NIS2 – European directive for essential sectors
- Defense in Depth, network segmentation, Hardening
- Air gap or strictly regulated remote access
📈 Why are IACS important?
- Automation of production processes
- Real-time control of complex systems
- Reliable and safe operation of installations
- Integration with IT and MES/ERP for digital transformation
- Form the basis of Smart Industry and the Industrial Internet of Things
📌 In summary
IACS are the technical backbone of industrial automation. They enable processes to run safely, efficiently and under control — from sensor data to strategic management level.