Small, secure and easy to connect

OPC UA and MQTT Communication
Upgrade of Siemens Retrofit Plants


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  • Integration of modern OPC UA communication functionality
  • Easy integration with Siemens PLCs SIMATIC S7-300, S7-400, S7-1200 and S7-1500
  • Direct symbol import from SIMATIC STEP 7 and TIA Portal projects
  • Usage of high security standards for protecting transferred data




Your connection companion

Just a few clicks away from instantly connecting your shopfloor.


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Why uaGate SI?

A worthwhile investment

Modernizes the communication interfaces to existing plants.

Comes with support of OPC UA and MQTT for simple system connectivity.

Benefits both small and larger architectures.

Suitable for new machines and retrofit solutions.

at its best

Intrusion protection: separates IT and machine network using physically separate Ethernet interfaces.

Password-protected data access management.

Configurable data sharing via separate permissions on control and IT level.

Strict data encryption and user authentication.


Autonomous field hardware.

No operating system updates or other PC maintenance work.

No PLC programming.

No modification of gateway configuration for unchanged PLC projects, regardless of operating time.

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