Configurable Observable Device

When developing IO-Link masters, there is often a strong need to test various edge cases. For example, how the IO-Link master behaves with the largest data storage sizes, or how it responds when the IO-Link device does not respond or responds with a delay. The Configurable Observable Device (COD) offers a wide range of options to extend standard protocol tests with customer-specific tests for IO-Link masters. In addition, the COD can emulate any IO-Link device based on its IODD.

The COD is an IO-Link device that can be configured and parameterized via REST API. The actual hardware communicates with the PC via USB. The REST API is provided by a PC-side server application called the COD Communication Server.

Characteristics

  • REST API for configuration and monitoring in automated test systems
  • PC application for easy configuration
  • Emulates IO-Link devices using their IODD
  • Fully configurable dynamic ISDU parameter management
    with adjustable error generation for each index and subindex
  • Configurable DPP1 values ​​(e.g., cycle time, process data,
    manufacturer and device ID, etc.)
  • Event generation
  • Process data mirroring and generation
  • Monitoring of IO-Link communication and internal
    device variables (e.g., startup sequence, data storage flags)
  • Error generation (e.g., emulation of a faulty device)
  • Non-volatile memory for permanent storage of configured parameters

Configurable Observable Device scope of delivery

  • 1 COD hardware unit
  • PC configurator application
  • COD Communication Server application

Contact

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