# umati OPC UA for Machine Tools

Protocols · `OPC UA for Machine Tools` · verification: source checked

umati is an open communication interface initiative for machinery that uses OPC UA Companion Specifications to exchange data between machines, components and installations and to integrate them into customer- and user-specific IT ecosystems. OPC UA for Machine Tools Part 1 covers Machine Monitoring and Job Management and is published as version 1.02.0 dated 2024-11-01.

## Specification

| Property | Value |
|---|---|
| Transports | tcp |
| Architecture | client server |
| Encoding | binary |
| Standard body | OPC Foundation |
| Standard ref | OPC-40501-1 |

## Connected

- Related: [OPC UA](https://machineschema.com/protocol/opc-ua.md)

## Study notes

- umati is based on OPC UA Companion Specifications.
- About 25 Companion Specifications have been published for technologies including robotics, measurement systems, plastics and rubber machinery, woodworking, and machine tools; 30 more are under development.
- The central companion specification OPC UA for Machinery contains basic building blocks for identification, job management, and energy monitoring.
- The namespace URI is http://opcfoundation.org/UA/MachineTool/ and the model version is 1.02.0.
- The specification version is 1.02.0, published 2024-11-01.

## Sources

1. [umati (universal machine technology interface) is the global initiative for open communication interfaces for the machine building industries and their customers.](https://umati.org/) (accessed 2026-10-25)
2. [OPC-40501-1 – OPC UA for Machine Tools - Part 1: Machine Monitoring and Job Management](https://reference.opcfoundation.org/specs/OPC-40501-1) (accessed 2026-10-25)

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Source page: https://machineschema.com/protocol/umati  
JSON: https://machineschema.com/protocol/umati.json  
License: CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/). Cite Machine Schema and the original sources.