OPC Calculator

Create and manage powerful OPC calculations effortlessly.

The OPC Calculator is a lightweight, no-code tool designed for engineers who need to perform real-time calculations on OPC data without writing scripts or overloading controllers. It centralizes logic, supports OPC UA, OPC DA, REST, and MQTT, and runs as a Windows Service for continuous operation with minimal setup.

Whether you’re adjusting units, correcting for sensor drift, or managing complex process calculations, OPC Calculator delivers consistent, validated results system-wide. With a drag-and-drop interface and Excel-style formulas, it’s built to streamline your workflow—not get in the way of it.

Specifications

No-Code, Drag-and-Drop Interface

Build and edit calculations visually without writing code—ideal for engineers who want results, not scripting headaches.

Excel-Style Formula Input

Use formulas that look just like what you’d write on paper or in a spreadsheet, making it fast and intuitive to start.

Centralized Calculation Engine

All calculations run in one place, which ensures consistent results across every system that uses the data.

Supports OPC UA, OPC DA, REST, and MQTT

Connect to modern and legacy systems without separate tools or bridges—plug in and go.

Calculation Triggers Based on Schedule or Data Change

Choose whether your calculations run on a timer or only when inputs change so you stay efficient without wasting resources.

Real-Time Results with Instant Validation

You can see output immediately and validate calculations with a click, so you can test and trust the logic before deployment.

Data Type Conversion Built-In

Output results are integer, decimal, or text without workarounds, which is handy for ensuring compatibility with downstream systems.

Lightweight Deployment – No Installation Required

Run it directly on any Windows machine with no installer, Registry changes, or admin headaches.

Reliable Operation as a Windows Service

It runs in the background 24/7 without being launched or logged in—perfect for industrial environments.

Secure and Standards-Compliant

Includes access control, encryption options, and full support for OPC compliance, so your data stays protected and audit-ready.