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Home / EVCA Capabilities / Automated Standards Analysis
EVCA charging analysis

Analyse charging behaviour against standard requirements

Automated Standards Analysis compares recorded charging communication and timing with the configured DIN 70121 and ISO 15118 requirements. It highlights deviations and brings the measurements and expectations together for engineering review.

Discuss your charging test How the evaluation works
Engineer reviewing a software-highlighted deviation against measured charging behaviour and normative context
Measured behaviourProtocol, signals, timing and power
Standard requirementsExpected charging phase, allowed values and timing limits
Focused deviationsFirst inconsistency highlighted
Review the highlighted eventMeasured event, expected limit and deviation together
Test scenario: a response arrives after the expected window

Illustrative timing example, not a quoted standard limit: a test expects a response within 100 ms, but the recording shows 120 ms. The useful result connects the measured event, the 100 ms expectation and the 20 ms deviation. In a real test, the selected standard, message and charging phase define the applicable expectation.

Illustrative values; the real limit comes from the selected standard and message.
EventExpectedMeasuredDeviation
Partner responseWithin 100 ms120 ms20 ms after the example limit
Decoded data is only the start

From a highlighted deviation to the next test

Open the evaluated event and inspect the original measurements to investigate the deviation.

Use the measured event, expected behaviour and highlighted deviation to assess the cause, choose the next test and verify your change.

Measured value. Normative expectation. Software-highlighted deviation.
Measured charging data and normative expectations pass through automated analysis to become evaluated technical evidence
From measurement to technical decision

Automate recurring comparisons

Review the source data alongside the applicable standard requirements in a repeatable charging test workflow.

Measure, align, evaluate, explain and document: standard knowledge stays inside the evidence workflow
Protocol timing with the applicable standard requirements

DIN 70121 and ISO 15118 timing analysis with the applicable timing window

DIN 70121 and ISO 15118 timing analysis compares measured messages and state transitions with the applicable timing window. It highlights late, early or missing events. Open the original trace for a detailed engineering review.

ISO 15118 timing analysis with measured events, normative timing windows and evaluation
Illustrative ISO 15118 timing example. DIN 70121 analysis uses the timing requirements of the selected DIN edition; the applicable protocol and analysis scope must be configured.

DIN 70121

Review supported message timing and charging sequences for the configured implementation.

ISO 15118-2 and -3

Connect high-level communication with PLC (power line communication) and low-level timing where the selected EVCA configuration provides the required channels.

ISO 15118-20

Apply release-approved analysis functions to supported message sequences and timing. Exact coverage must match the current software release.

Release qualification: standards, editions, message sets and timing checks are configuration-dependent. The selected product release and approved quotation define the exact scope.

The complete DC charging sequence

Review DC charging states throughout the session

The Cross-Layer State Monitoring brings the measured event and expected charging sequence together. Review PLC message type, Control Pilot (CP) state, Proximity Pilot (PP) state, DC voltage and DC current in the active charging phase.

Cross-layer state monitoring combining Annex CC phase, PLC message, CP, PP, voltage, current and evaluation
Illustration of synchronised layers; channel coverage depends on hardware and software configuration. This is not a conformance verdict.

Expected, missing or excessive

Highlight missing states, missing values and behaviour in the wrong charging phase for review.

IEC 61851-23 Annex CC with measured evidence

Software, power-electronics and system teams can use the sequence view to discuss the same charging event. Exact panel content and standard edition require release approval.

One method. Technology-specific charging states for DC CCS, CHAdeMO and GB/T DC.

Cross-Layer State Monitoring

Cross-Layer State Monitoring checks whether protocol messages, low-level signals, state transitions and electrical values form a permitted, technically consistent combination during charging. Each technology has its own communication and signal layers. The measurement and evaluation method remains the same.

DC CCS

PLC, CP/PP and electrical state

  • DIN 70121 and ISO 15118 communication
  • CP and PP state context
  • IEC 61851-23 charging phases and Annex CC context
  • DC voltage, current and expected transition
CHAdeMO

CAN communication and CHAdeMO state context

  • CHAdeMO CAN messages and timing
  • Technology-specific control and connector states
  • Charging sequence and permitted combinations
  • DC voltage, current and reaction of both partners
DC China / GB/T DC

GB/T CAN communication and low-level state

  • GB/T 27930 communication and timing
  • GB/T 18487.1 interface and state context
  • Technology-specific charging phases
  • DC voltage, current and highlighted deviation

Exact protocol versions, state models, measured channels and evaluation functions depend on the selected EVCA system, hardware modules and released comframe configuration. Cross-Layer State Monitoring complements, but does not replace, a formal Conformance Test Library.

Communication and power on one timeline

Trace a charging deviation across the configured layers

Correlate protocol messages with CP, PP, voltage and current to investigate whether the event began in communication, low-level control or power behaviour.

Measurement and normative expectation are validated together and packaged as reusable technical evidence

A real customer investigation

The timing matched. The voltage response did not.

The EVCA precharge customer story shows how communication and electrical measurements support a joint investigation. The charging sequence alone did not explain the voltage response. Read how the recorded evidence helped the teams investigate the real EV–EVSE interaction.

Read the precharge diagnosis story →Configure the next test with Professional Simulation →
Test tasks at a glance

Choose analysis, simulation or conformance testing for your task

Capture data to inspect a charging event. Use continuous analysis to review supported rules. Run a configured test case when you need a controlled stimulus and an explicit evaluation.

Comparison of a trace viewer, Automated Standards Analysis and a Conformance Test Library
Illustrative interface and example values; not a real measurement or conformance record. Viewing data, continuous analysis and executing a test case are distinct tasks.
Related capability

Professional Simulation

Configure the behaviour to test, including supported message content, timing and non-conform variants.

Related capability

Conformance Test Libraries

Run defined test cases with verdict logic for a supported implementation profile.

Application

Interoperability & Charging Analysis

Use synchronised evidence to investigate a real EV and EVSE (electric vehicle supply equipment, or charging station) interaction and reproduce the issue.

Use the same analysis when you repeat the test

Analysis that scales

Use charging protocol analysis in development, with recordings of real charging pairs and in repeatable campaigns. Select the EVCA system for the standards, measurement layers and evaluation panels you need.

Controller and vehicle integration

Review timing, states and charging behaviour during controller integration, before the complete power environment is available, or during vehicle validation.

Charging-station analysis

See how the simulated or real vehicle reacts to SECC (station-side charging communication controller) behaviour, charging states and measured power transitions.

Real EV and EVSE charging sessions

Review synchronised recordings with their evaluated context so both implementation teams can discuss the first deviation.

Evidence for technical decisions

Keep the measured behaviour and normative expectation together for repeatable laboratory decisions and customer communication.

Automated charging campaigns

Reuse released evaluation logic across variants to apply the same analysis to each configured test.

Review the charging event together

Share the evaluated event and original trace with software, controller, power-electronics and system partners so they can investigate the issue together.

Choose the device, standard and measurements for the test

Configure your analysis

Define the required measurement layers, standard references, evaluation panels, outputs and EVCA system alongside the protocol.

Configure the analysis for the standard, DUT and required evidence
  1. DUT and test role

    EV, EVSE, controller or real charging pair

  2. Charging standard

    Protocol family, version and implementation profile

  3. Measured layers

    Messages, timing, CP, PP, voltage and current

  4. Evaluation scope

    Timing, states, values, phases and normative limits

  5. Evidence output

    Monitoring view, traces, reports and exported data

  6. System path

    ComOnly, Multi Mobile, Interop, Flex or MCS configuration

Selected EVCA system + released analysis coverage + approved normative references

1. DUT and test role EV, EVSE, EVCC, SECC, subsystem or real charging pair.
2. Standard scope DIN 70121, ISO 15118 or IEC 61851 functions and approved editions.
3. Measured layers Messages, timing, CP, PP, voltage, current and additional configured channels.
4. Evaluation depth Phases, states, timings, values and normative limits.
5. Evidence Monitoring views, traces, reports, exports and campaign results.
6. System path Hardware, software licences, Test Libraries and integration requirements.
Define your analysis scope
Frequently asked questions

Automated Standards Analysis FAQ

Automated Standards Analysis compares measured charging behaviour with applicable timing, states, phases and normative expectations. It highlights matches and deviations, bringing the evidence together for technical review.

A trace viewer displays messages and timestamps for manual comparison with the relevant standards. Automated Standards Analysis adds the applicable requirements, correlates configured measurement layers and highlights deviations in the charging workflow.

No. It removes repetitive comparison work and presents the measurement, expectation and deviation together. The engineer remains responsible for technical interpretation, root-cause confirmation, product decisions and the approved test conclusion.

The capability scope can include DIN 70121 and ISO 15118 timing analysis as well as IEC 61851-23 Cross-Layer State Monitoring for DC CCS, CHAdeMO and DC China / GB/T DC. Exact standard editions, protocol versions, measured layers and evaluation functions depend on the released software and EVCA configuration.

DIN 70121 and ISO 15118 timing analysis compares a measured message or state transition with the applicable timing expectation. It shows the actual timestamp and configured normative window so you can review late, early or missing events.

The Cross-Layer State Monitoring places the measured charging session in the context of the expected DC charging sequence. Depending on configuration it combines PLC message type, CP and PP state, DC voltage, DC current and the active charging phase.

Standards-aware review

Bring measurements and expectations together for engineering review

Define the measurement layers, applicable expectations and evidence needed to investigate your charging test.

Find your test solutionContact application engineering