DLMS Test Tool is a specialized utility for testing, validating, and troubleshooting DLMS/COSEM-based smart meters and related systems. It helps engineers and QA teams accelerate integration, uncover interoperability issues early, and verify device behavior against expected DLMS/COSEM flows.
Key capabilities:
- Full-featured DLMS/COSEM client: Create and manage associations, perform GET/SET/ACTION operations, and navigate OBIS objects with an easy-to-use object browser.
- Flexible connectivity: Work over serial/optical interfaces and TCP/IP (WRAPPER), with configurable link-layer parameters, timeouts, and retries.
- Security and authentication: Exercise common DLMS authentication levels (None, LLS, HLS) and security suites to validate secure session handling.
- Advanced data handling: Read Profile Generic data with selective access, inspect event logs, synchronize meter time, and manage firmware via Image Transfer where supported.
- Protocol analysis: Capture and decode frames with hex and structured views, inspect PDUs and COSEM services, and track timing for performance insights.
- Automation and scripting: Build repeatable test sequences, run headless via CLI, and export results for CI pipelines or audit trails (e.g., CSV/HTML).
- Negative and robustness testing: Inject edge cases (malformed requests, timeouts, sequence errors) to validate device resilience.
- Customization: Define manufacturer-specific OBIS mappings, save connection profiles, and reuse templates across projects.
Ideal for:
- Meter manufacturers validating firmware and communication stacks
- AMI/MDM integrators conducting interoperability and regression testing
- Utilities and test labs performing acceptance and field issue reproduction
Outcome:
By combining a practical DLMS client, protocol analyzer, and automation toolkit, DLMS Test Tool shortens commissioning time, improves test coverage, and reduces costly field debugging.
DLMS Test Tool is developed by EDMI Limited. The most popular versions of this product among our users are: 1.0, 3.0, 4.0 and 4.3. The names of program executable files are DLMSFETUI.exe, FETTestingTool.exe.
You can check FreshDiagnose, UDP Test Tool, WAPT and other related programs like Group-Bourdon Tool at the "download" section.
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