This product is discontinued and no longer available.
Replacement product is the IO-Link Master Tester v1.1.3.
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IO-Link Master Tester for PROFIBUS DP

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Manufacturer: TEConcept GmbH

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Product Information

Product Description

The IO-Link Master Tester consists of a PC program and a hardware box. The test system allows complex IO-Link Master tests according to the IO-Link test specifications. Correct IO-Link behavior as well as possible erroneous functions can be tested.

The IO-Link Consortium asks for all IO-Link Masters a manufacturer’s declaration for IO-Link conformity. Based on their test specifications, MESCO developed a test system for this purpose.

As the first field bus type it supports PROFIBUS DP and may be customized to further field bus interfaces.

A serial test interface that allows to test the IO-Link master without using the fieldbus is available.

The IO-Link Master Tester comes with a complete set of specified test cases.

Moreover it can be easily extended with additional test cases. The test system can be used during the development phase for manufacturer’s self declaration of conformity as well as in the production process.


  • Test system for realization of automated, reproducible and complex IO-Link Master tests according to the IO-Link test specifications Rev 1.0 / Rev 1.1
  • Monitoring function for direct error search and bug fix
  • Programmable via script
  • Creation of status information
  • Test of field bus implementation according to integration instructions
  • Possibility of stimulation of any ISDU parameter
  • Open application interface for adaptation to other interfaces
  • Appropriate tool for Master manufacturers for simulation of different device types and its malfunctions.


  • Highly automated test of IO-Link masters
  • Allows to test the IO-Link master without fieldbus or backplane gateway.




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