Reducing Latency with PROFINET Managed Switches

PROFINET Managed Switch Market: Managing Real-Time Data Communication

Published Date: 13-Nov-2025
PROFINET Managed Switch Market: Managing Real-Time Data Communication

Connectivity is highly important in industrial automation. There are various machines and equipment in industries, including robotics, control units, and monitoring systems. They must communicate in an efficient way to keep industries running. For that, PROFINET managed switches are used.

Industries are increasingly moving towards smart manufacturing and digital transformation. As such, the demand for PROFINET managed switches has increased. Keep reading as we explain all that you need to know about the PROFINET managed switch market.

What Is PROFINET?

PROFINET is short for Process Field Network. It’s an open industrial Ethernet standard that was developed by Siemens. PROFINET is maintained by the PROFIBUS & PROFINET International (PI) organization. It is designed to allow seamless communication between controllers and field devices.

PROFINET differs from older industrial communication protocols. It operates on standard Ethernet hardware and IP technology. But it is able to deliver the speed and reliability required in industrial environments. PROFINET combines the flexibility of conventional Ethernet networks with the precision and timing required in the industrial control & factory automation market.

What Are PROFINET Unmanaged Switches?

An unmanaged switch is capable of sending incoming Ethernet frames to the correct port. The correct port here is the one that has the destination device connected. Other than that, there’s no built-in intelligence in unmanaged switches. There are LEDs in these switches for diagnostics. Each port carries an LED to indicate that there’s Ethernet traffic. However, advanced data about parameters such as bandwidth utilization isn't provided. There are several vendors offering unmanaged switches meeting the minimum PROFINET requirements.

What Are PROFINET Managed Switches?

A managed switch provides intelligence that isn’t there in an unmanaged switch. There are several IT protocols that are useful for these switches. They include Link Layer Discovery Protocol (LLDP), Simple Network Management Protocol (SNMP), and Hypertext Transfer Protocol (HTTP).

LLDP and SNMP are specialized protocols for the retrieval of data from switches. For example, SNMP can assist with setting up and receiving alerts when there are a large number of retries. It can also help with reading the utilization of bandwidth in real-time. LLDP allows software to extract information about network topology and seamless device replacement.

How PROFINET Managed Switches Work?

The comparison of a PROFINET-managed switch can be done with a smart traffic controller on a multi-lane highway. Here, each port on the switch functions like a lane having a specific role. The switch is responsible for managing the flow of data. It also makes sure that everything is moving in a smooth and efficient way.

The connected device sends data. The switch receiving the data looks for the destination address and send the information only to the appropriate port. This targeted routing minimizes the unnecessary network traffic. It also helps in improving overall performance. The PROFINET managed switch also prioritizes control signals such as commands for safety systems.

What makes PROFINET managed switches different is their ability to communicate in real-time. They allow for deterministic data exchange. This means that the transmission of data takes place in a fixed and predicatable timeframe. This is higly important for industrial automation systems such as robotic arms and conveyor belts.

In addition, these switches have advanced networking features such as Quality of Service and Simple Network Management Protocol. These features ensure that the communication is continuous even if part of the network fails or experiences congestion.

What’s Driving PROFINET Managed Switches Demand?

We’ve done a detailed analysis of the rapidly evolving PROFINET managed switch market. Our analysis reveals that the market for these switches stood at USD 1,528.78 million in 2024. The market is expected to account for a CAGR of 7.1% between 2025 and 2034.

Shift towards Industry 4.0 and growing need for real-time industrial communications have resulted in increased installations of PROFINET-managed switches. The PROFINET managed switch market is also benefiting from the expansion of industrial automation across key manufacturing sectors.

What Are Key Features of PROFINET Managed Switches?

Real-Time Communication: These switches make data exchange fast and reliable. Both continuous updates and on-demand messages are handled without delay. This keeps all machines in sync.

Network Diagnostics and Monitoring: These switches keep a continuous tab on network health. They can also detect faults and log errors in real time. Built-in diagnostic tools help maintenance teams in identifying and fixing issues early. This reduces downtime and makes operations more productive.

Redundancy Support: Continuous communication is highly important in industrial environments. PROFINET managed switches support redundancy protocols such as MRP and RSTP. These protocols carry out automatic rerouting of data if the connection fails. That way, uninterrupted operations can be ensured.

Where Are PROFINET Managed Switches Used?

Manufacturing Automation

Modern factories have PROFINET switches connected to robots and PLCs. Here, they make sure that every operation is in perfect sync. Even small delays can affect accuracy, so these switches are highly important for maintaining precise production lines.

Power and Energy

The use of PROFINET networks in the floating power plant market and substations helps manage monitoring and safety systems. Managed switches make sure that the flow of data is steady. They also help maintain high uptime in environments that need quick response.

Transportation and Logistics

PROFINET managed switches allow for real-time monitoring of systems and surveillance in railways and airports. This helps in improving coordination and overall efficiency in large-scale operations.

Conclusion

Connectivity is just as important as electricity in modern manufacturing environments. A PROFINET managed switch functions like the brain of industrial communication. It manages every signal to ensure smooth operations across machines. The coming years are expected to witness increased focus on innovation and partnerships by key players in the PROFINET managed switch market.