OPC Tunneler

Simplify OPC connections while securing your data.

Powered by OPC Expert, OPC Tunneler simplifies secure OPC communication by eliminating DCOM and supporting both OPC DA and OPC UA. It runs without installation or registry changes, making it ideal for controlled environments.

Whether bridging legacy systems or connecting through firewalls, OPC Tunneler is a fast, portable solution that works—secure, lightweight, and easy to deploy.

For detailed step-by-step instructions on how to setup OPC tunneling, click here.

Specifications

Bypasses DCOM Configuration

It eliminates the headaches of setting up DCOM. There are no registry edits, no permissions chaos—plug and tunnel.

Uses OPC UA and OPC Classic Protocols

It ensures broad compatibility with modern and legacy systems. You can tunnel between systems without worrying about protocol mismatches.

Encrypted, Secure Communication

It supports 128-bit and 256-bit encryption to protect data in transit. It is ideal for industrial environments concerned with network security or regulatory compliance.

Cross-Network Connectivity Through a Single Port

It gets around firewall restrictions by communicating through one port. This simplifies IT configuration and avoids cross-department delays.

DA ⇄ UA Conversion Built-In

It seamlessly converts data between OPC DA (Classic) and OPC UA and enables legacy devices to talk to modern systems without middleware.

Flexible Half-Tunnel or Full-Tunnel Setup

Do you need just one side of the connection configured? Use half-tunnel mode. Do you need both? Full-tunnel is available. Adapt to your network environment as needed.

Portable and No Installation Required

Run it off a USB stick. No installation means no footprint on your system and no risk to existing applications.

Runs as a Windows Service

Set it and forget it. It auto-starts with Windows, ensuring continuous operation even after a reboot.

Built-In Troubleshooting Tools

Diagnoses communication issues in real time. It saves hours chasing obscure errors and accelerates deployment and maintenance.

Data Diode for One-Way Communication

Send data out without the risk of anything coming back in. This is perfect for secure, air-gapped systems where safety and isolation are critical.

Technical Walkthrough