Setting up an IEC 104 Server Simulator (also known as a slave or RTU simulator) allows you to test SCADA systems and master stations without needing physical hardware. Popular tools like Freyr SCADA, The Vinci, and Redis Assistant provide user-friendly interfaces to simulate real-time data points, commands, and communication traffic. 1. Select and Install a Simulator
First, choose a software package that fits your testing needs.
Freyr SCADA IEC 104 Server Simulator: A widely used Windows tool for simulating up to 50 server nodes.
The Vinci Expert: Excellent for protocol analysis and quick point-to-point testing.
Redis Assistant IEC104 Slave Simulator: Supports rich control commands and real-time data curve drawing.
Codesys IEC 60870-5-104 Server: Ideal for PLC-based simulation environments. 2. Configure Network Settings
Once installed, you must define how the simulator will listen for connections from a client (Master).
IP Address: Set the Source IP (typically 0.0.0.0 to listen on all interfaces or a specific local IP).
TCP Port: The standard port for IEC 104 is 2404, though this can be customized in the simulator settings.
Common Address of ASDU: Assign a unique station address (e.g., 1), which must match what the client is expecting. 3. Define Data Points (Tags)
To simulate a real device, you need to add information objects with unique Information Object Addresses (IOA). EMQX Documentation Connect to IEC 60870-5-104 Server Simulator | Neuron Docs
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