Free OPC UA SCADA client for testing and development

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Using awtSCADA as OPC UA Client

awtSCADA can connect to any OPC UA server through its Python Gateway.

Features

• Browse OPC UA address space
• Subscribe to data changes
• Read/Write variables
• Method calls
• Certificate-based security (Sign, SignAndEncrypt)
• Anonymous and username/password authentication

Quick Start

1. Download awtSCADA demo
2. Start gateway: python3 scada_gateway.py --opcua-url opc.tcp://your-server:4840
3. Open browser, add OPC UA tags
4. Create HMI with 65 available graphic elements

Compatible OPC UA Servers

• Siemens S7-1500 (built-in OPC UA)
• Beckhoff TwinCAT
• B&R Automation
• Kepware
• Prosys Simulation Server
• open62541-based servers

Perfect for:

• Testing OPC UA server implementations
• Quick HMI prototyping during development
• Educational labs teaching OPC UA
• Small facility monitoring

Download Free Demo | Live Demo