Overview of DTM

DTM is used to simulate some or all of the IEDs in the substation and create automated tests to confirm individual device behavior. Automated tests created in DTM can be used to validate design updates and behavior of the corresponding IEDs prior to commissioning new substations or updating existing substation. The Distributed Test Manager is a highly flexible simulation tool that can perform many different tests for systems that use standard SCADA communication protocols.

Use Cases Supported Protocols
  • Automated testing of RTUs, IEDs, gateways, and SCADA systems
  • Network load testing for SCADA systems
  • Substation communication testing
  • Network and cybersecurity testing
  • IEC 61850
  • IEC 60870-5
  • DNP3
  • Modbus

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Discover Issues Earlier with System Level Testing

DTM can simulate multiple devices to perform tests at a system level. For example, a real device under test can be placed within a simulated DTM environment to mimic the real system. DTM communicates to the device under test to verify that the communications, network configuration, and data in the system operate correctly. 

Simulated system testing has many benefits:
  • Reduce costs: the amount of time during Factory Acceptance Testing (FAT) and commissioning because issues are discovered earlier
  • Increase test coverage: simulating an entire system enables test cases with greater test coverage that cannot be performed with single device simulators
  • Automate tests: system level tests can be highly automated and can be reused across multiple projects




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