Prosys OPC Server

Source: Prosys OPC Official Website
(https://prosysopc.com/products/opc-ua-simulation-server/)

Prosys OPC UA Simulation Server lets you test OPC UA clients with simulated data before connecting to physical equipment. It supports development and demonstrations for SCADA, MES and IIoT applications.

Key Takeaways

• Use the Free Edition to learn OPC UA and test basic client connections.
• Choose Professional for custom model imports, recorded-data playback or headless tests.
• Complete commissioning tests with the production equipment and network.

What Prosys OPC UA Simulation Server helps you test

Source: Prosys OPC Official Website
(https://prosysopc.com/products/opc-ua-simulation-server/)

Client development before equipment is available

Import an information model and create simulated instances to test how a client handles the proposed address space. This lets development continue while the equipment is unavailable. Build the model around the intended machine interface so the test uses the structure the client will encounter.

Replaying recorded data

Record values with OPC UA Browser Professional, export the source address space and load the model and CSV logs into Simulation Server Professional. You can then repeat the sequence while investigating a display or data-processing issue. Playback controls include pause, speed adjustment and breakpoints.

Automated regression tests

Version 2026.2.0 supports headless operation and Docker deployment with a Professional or Evaluation licence. Prepare a Project in the desktop application, then run it on a test host or build agent. Tests can control playback and value simulation over OPC UA to check client behaviour after a software change.

When to use Prosys OPC UA Simulation Server

For teams in India, suggested uses include customer demonstrations before site access, data-connector development and hands-on OPC UA training. For live machine-data collection, compare production OPC servers against your controllers, protocols and support requirements.

Prosys OPC UA Simulation Server specifications

Connection targets and functions

Compatible OPC UA clients, including SCADA connectors and development tools, can access data changes, data history, events and event history. For PubSub tests, Simulation Server publishes messages to subscribers through the configured MQTT broker or UDP network.

Professional also supports simulated Methods with input and output arguments and SET and WAIT actions. These let you test method calls against configured responses.

Free vs Professional: features and licensing

The Simulation Server & Browser Professional Bundle offers subscription and perpetual licence options. Single-computer keys are tied to the hostname; confirm licensing for each developer workstation and automated test host.

Pricing is by enquiry. For procurement in India, request a quotation with the billing currency, applicable taxes and support arrangements.

Prosys OPC UA Simulation Server case study

TU Delft: connecting a power-system research environment

The challenge

TU Delft's Intelligent Electrical Power Grids research group needed a cross-platform connection between the power-grid and communication layers in its Control Room of the Future. The test environment combines a simulated power system, emulated communication networks and a SCADA/HMI interface.

How the team used Simulation Server

Simulation Server connected the simulated system to the emulated network, supporting research into resilience against cyber-attacks and major disturbances. The researcher also highlighted the ability to import custom XML NodeSets.

Download and evaluation

Get the software through the official download request page. To try Professional features, request a time-limited Evaluation licence and confirm its duration with Prosys. The application reverts to the Free licence when the evaluation expires.

How to connect an OPC UA client

1. Start Simulation Server and confirm that Status shows Running.
2. Copy the Connection Address from Status into the client, typically opc.tcp://<hostname>:53530/OPCUA/SimulationServer. Use your installation's address.
3. Select a security policy and mode supported by both applications. Supply user credentials if required.
4. For a secure connection, establish certificate trust on both sides. In Simulation Server, use Expert Mode to access Certificates, verify the client's certificate and select Trust.
5. Browse the address space and monitor a changing variable.

If connection fails, check the hostname and port, then certificate trust and user authentication. Inspect Sessions and Connection Log for connection activity, and keep the two computers' clocks synchronised.

Prosys OPC UA Simulation Server FAQ

Is this the same as Prosys OPC Classic Simulation Server?

They are separate products. Choose OPC UA Simulation Server for OPC UA tests. Prosys OPC Classic Simulation Server supports OPC DA 1.0A and 2.05 for clients that require OPC DA.

Does a successful simulation test complete commissioning?

No. It checks the configured model and data. Validate the production server's address space, access rules and update behaviour with the equipment and network before accepting the connection.

Manufacturer information

Prosys OPC Ltd is a Finnish company founded in 1995. Its products and services focus on OPC technology and industrial interoperability.