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IO-Link Device Tester - Reliably test and certify device protocols
The TEConcept IO-Link Device Tester has been evaluated and recommended by the IO-Link Quality Working Group. The test system performs all protocol tests largely automatically. Besides the Device IODD, only a few manual settings are required for the execution of the protocol test, which runs essentially autonomously.
As a condition for using the IO-Link word and figurative mark, the IO-Link community requires that every manufacturer who brings an IO-Link device to market submits a manufacturer’s declaration confirming the successful completion of the conformity tests prescribed in the specification.
In particular, the protocol tests are very complex and practically cannot be performed without an appropriate test device.
The Device Tester is supplied with 24V DC voltage, and the device is connected via an M12 connector. Control is performed using PC software.
The tests themselves are defined by included XML files. Users can add their own tests, such as range checks for parameters.
Do you require a standard-compliant protocol test for your IO-Link device?
Hardware Features - IO-Link Device Tester
- Compliant with IO-Link Test Specification
- Recommended by the IO-Link Quality Working Group
- External 24V/300mA power supply
- M12 IO-Link Master connector
- DIN rail terminal connection
- USB control
- Expandable with custom test cases
- Supports IO-Link profiles (Firmware Update, BLOB Transfer, etc…)
IO-Link Device Tester PC Software
- Graphical user interface
- Creation of test reports in PDF format
- Selection options for test cases
- Step-by-step test report
- Hex dump of IO-Link communication
- Export function for communication logs
- Option to switch to standard IO-Link 1-Port USB-C Master
- Save and restore project state
- Firmware Update
Additional offerings for the IO-Link Device Tester
- Command Line Interface (CLI): An optional command line plugin is available, allowing users to start device tests via the Windows command line. This enables the integration of device protocol tests into CI/CD pipelines.
- Test module IO-Link Profile BLOB Transfer & Firmware Update (FWDL): For verifying the correct implementation of the IO-Link profile.
Further test systems for your IO-Link device project
In addition to the protocol test, the physical layer test and the EMC test are also required for a complete IO-Link certification (Test & Quality IO Link Community). To achieve this goal with minimal effort, TEConcept offers further diagnostic & test tools that can be used directly by members of the IO-Link Community for issuing the required certifications. For non-members, TEConcept, as an accredited IO-Link Competence and Test Center, performs the certification tests.

IO-Link Physical Layer Tester
Tests the electrical interface of IO-Link devices: signal levels, bit timing, and current consumption according to the IO-Link specification. Automatically generates a report — a prerequisite for IO-Link certification.

IO-Link EMC Test Master
Supports EMC conformity testing of IO-Link devices and ensures that devices can operate without interference in industrial environments.

IO-Link Diagnosis Tool
Enables parameterization, process data evaluation, and device diagnostics of IO-Link devices directly on the PC — ideal for commissioning, field use, and technical support.
Contact
- +49 761 21443640
- +49 761 21443636
- info@teconcept.de
If you have any questions about the IO-Link Device Tester, please contact us via the contact form. We are happy to assist you.