RFID via AutoID Standard

Working with RFID readers has long been characterized by manufacturer-specific protocols and connection types. With the OPC UA AutoID Companion Specification, this has now fundamentally changed. In the specification, communication with the reader is standardized and the communication protocol is set to OPC UA. Thus, manufacturer independence is achieved on the application side.
The OPC Router implements the RFID part of the AutoID specification and is therefore able to easily connect compatible RFID readers and integrate them into Industry 4.0 environments. AutoID compatible readers are available e.g. from HartingSiemens and TURCK.

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Example access control via RFID AutoID and OPC UA

Reading of RFID tag data as soon as a tag is in the reading field and query of access from a database with forwarding of access rights to a PLC via OPC UA.

That’s how easy it is.

Connecting Systems

What’s Transfer, Trigger and Browsing?

Transfer Objects

The RFID AutoID (OPC UA) plug-in has transfer objects for various activities with the RFID tags:


Synchronous reading of RFID tags


Reading RFID tag information reported by the reader in the reading field.


Write on tags reported by the reader in the reading field.


Locking an RFID tag in the reading field. The password must also be transferred for later access to a tag. The password functionality is supported for all functions defined in the standard.


Destroy a tag in the read field.


Setting the access password of RFID tags.


The RFID-AutoID (OPC UA) plug-in has a trigger.
The Asynchronous Scan Trigger triggers a connection as soon as one or more RFID tags are found in the reading field and have been read.


All fields defined in the AutoID Specification for handling RFID tags are defined in the OPC Router RFID AutoID (OPC UA) Plug-in are automatically provided in the connection.

RFID-AutoID Plug-in Application Examples

RFID identification transferred to PLC

RFID readers supporting the Auto ID Companion Specification provide the read RFID code in a standardized way. With the appropriate OPC Router plug-in, this code can be passed on to any system. For direct process control based on the identification, the code can be transferred directly to the controller (PLC) with the OPC UA Client Plug-in, which then starts special processes or adjusts parameters accordingly.
By controlling the process through the identification of the product itself, one of the central industry 4.0 visions is implemented: self-controlled production.

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Easy setup of Track & Trace databases

Traceability thrives on data records that prove when which product was handled and processed where and how. The data records are stored in a central database for comprehensive evaluation. With Auto-ID-enabled RFID readers and the OPC Router Plug-in for Auto-ID RFID readers, new identification points can be added very easily. RFID codes provided by Auto-ID are then transferred to the corresponding Track & Trace database using the OPC Router and the SQL Server Plug-in. In this way, traceability is constantly being refined without the need for software development for the connection.

Here you can find more information via the OPC Router, Plug-ins, Add-ons and ETL tools.

Plug-ins & Add-ons
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