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EVCA INTEROP

EV Charging Interoperability Testing

From failed CCS charge to verified root cause.

EVCA interop is a mobile EV charging test system for CCS interoperability testing between real EVs and EVSEs. Capture and decode charging communication, correlate signal and power behavior, validate suspected causes and replay failed charging sessions in the lab.

REQUEST EVCA INTEROP DEMO

One synchronized view

Communication, signals, timing and power behavior in one engineering timeline.

Controlled root-cause validation

Test suspected causes without changing EV or EVSE software.

Reusable laboratory replay

Turn real charging failures into repeatable regression assets.

WHY EV CHARGING FAILURES REMAIN UNRESOLVED

Separate traces show symptoms. They do not automatically prove the cause.

A failed CCS charging session often leaves EV, EVSE, backend and software teams with separate traces, different time bases and conflicting interpretations. The data may show individual symptoms, but not where the failure actually started.

Field friction

Unavailable chargers, login dependencies, weather, travel and restricted access slow every investigation.

Log overload

PCAP files, CAN traces, PWM measurements, charger logs and vehicle logs must be correlated manually.

Blame ping-pong

EV, EVSE, backend and software teams debate isolated data instead of working from one evidence base.

CAPTURE IS ONLY THE FIRST STEP

EVCA interop turns charging data into synchronized evidence.

Capture-only workflow

❌ Separate recordings and time bases
❌ Manual frame-by-frame correlation
❌ Root-cause assumptions
❌ One-time field investigation
❌ Individual team reports

EVCA interop workflow

✔️ One synchronized charging timeline
✔️ Decoded protocol states, signals and timing
✔️ Controlled hypothesis validation
✔️ Reproducible laboratory replay
✔️ Shared evidence package

CCS INTEROPERABILITY TESTING WITH EVCA INTEROP

Purpose-built for EV charging interoperability troubleshooting.

EVCA interop combines field-ready Man-in-the-Middle access, decoded CCS charging analysis, controlled manipulation and session playback in one focused EV test system.

It complements conformance testing by investigating how a specific EV and EVSE behave together under real operating conditions.

More than a charging sniffer. Capture, decode, correlate, validate and replay the complete interaction between EV and charging station.

Connect

Transparent EV-to-EVSE Man-in-the-Middle access.

Capture

Record the complete real-world charging session.

Decode

Resolve charging states, messages, signals and timing.

Validate

Test suspected causes through controlled manipulation.

Replay

Reproduce relevant EV or EVSE behavior in the laboratory.

Specialized EV tester for charging communication
Unlike a general electric vehicle tester, EVCA interop focuses on CCS charging communication, EV-to-EVSE interoperability, root-cause validation and charging-session replay.

ONE WORKFLOW FROM FIELD FAILURE TO LABORATORY REPRODUCTION

Connect. Capture. Decode. Correlate. Validate. Replay. Reuse.

One workflow from field failure to lab reproduction.

REAL EV. REAL EVSE. CONDITIONS.

Test the interaction without replacing either side.

EVCA interop records the actual CCS charging interaction, validates suspected causes directly at the site and transfers the relevant behavior into the laboratory.

Transparent access

Observe the normal communication path between EV and EVSE.

Controlled tests

Change selected conditions to verify cause and effect.

Field to-lab bridge

Reuse the captured case for deterministic replay.

FOUR CONNECTED COMPONENTS

From decoded timeline to reusable evidence package.

EVCA interop combines analysis, controlled validation, replay and evidence in one workflow. Each component builds on the same synchronized charging case.

Analysis Engine

Decode and synchronize the charging process. Convert PCAP, CAN, PWM and measurement data into a common timeline with charging states, messages, signals and timing relationships.

Validation Engine

Test suspected causes under controlled conditions. Modify selected messages, parameters, signals or timing behavior to verify whether a specific condition triggers the charging failure.

Replay Engine

Reproduce real field behavior in the laboratory. Turn recorded EV or EVSE behavior into repeatable scenarios for verification, fault isolation and regression testing.

Evidence Pack

Document and share the result. Combine the decoded trace, synchronized timeline, applied modifications, validation result, report and replay scenario in one reusable package.

One shared technical evidence base
Comparable across cases. Repeatable under controlled conditions. Actionable for engineering, partners, release decisions and future regression tests.

Screen_EV_Charging_Testing_and_Analysis_Man_in_the_Middle

● Decoded DIN 70121 and ISO 15118 communication
● SLAC and V2G timing analysis
● Correlated PLC, PWM, CAN and power behavior
● Automated charging-state and timing evaluation
● Normal-stop and emergency-stop differentiation
● EV-triggered and EVSE-triggered event analysis
● Exportable trace, timeline, report and replay data

Validate the suspected cause. Replay the real case.

EVCA interop goes beyond passive recording. Controlled gateway manipulation tests whether a specific message, parameter, state or timing condition triggers the failure. Once isolated, the relevant behavior can be replayed in the laboratory.

DECODE AND CORRELATE THE COMPLETE CCS CHARGING PROCESS

See the exact failure state in one synchronized engineering timeline.

Stop switching between isolated trace files. EVCA interop combines decoded charging communication, signal states, measurements and stop events in one contextual view.

Charging communication

DIN 70121, ISO 15118-2 and associated V2G communication analysis. ISO 15118-20 support in preparation.

Basic signaling

IEC 61851 control-pilot and PWM state evaluation, including timing and stop-event context.

Correlated data

PLC, protocol messages, PWM, CAN and electrical measurement data, depending on configuration.

Test direction

Analysis of the interaction between real EV and EVSE, with EV-side or EVSE-side replay scenarios.

Controlled validation

Selected message, parameter, state and timing manipulation for root-cause hypothesis testing.

Application

Field troubleshooting, integration, validation, software verification and regression testing.

EV CHARGING TESTING FOR DEVELOPMENT, VALIDATION AND FIELD SERVICE

Built for teams that need more than another trace file.

Vehicle and EV software teams

Analyze charging failures across EVSE brands, firmware versions, backend conditions and field locations.

EVSE manufacturers

Validate charger behavior with real vehicles, protocol variants and relevant edge cases before release.

CPOs and field service

Separate charger-side, vehicleside, communication and authentication issues during operation.

Test laboratories

Create standardized evidence packages and reusable playback libraries for customer projects.

Software and protocol teams

Analyze SLAC, V2G communication, parsing, timing, PWM, CAN and state-machine behavior in context.

Engineering and quality management

Reduce repeated field campaigns, unclear responsibilities and unresolved release risks.

CONFORMANCE TESTING

Checks an implementation against defined test specifications.

Conformance testing verifies whether an EV or EVSE behaves according to standardized requirements and formal test cases.

It provides structured, specification-based verification

INTEROPERABILITY TESTING

Investigates how a specific EV and EVSE behave together.

EVCA interop identifies, validates and reproduces concrete interaction failures under real operating conditions.

Both disciplines complement each other. They answer different engineering questions.

WHAT YOU GET

A focused package for EV charging interoperability troubleshooting.

EVCA interop field hardware

Mobile test hardware for transparent Man-in-the-Middle access between EV and EVSE.

comframe analysis software

Decoded communication, synchronized timeline, correlation views and engineering evidence.

Controlled validation

Manipulating Gateway functions for selected message, signal, parameter and timing tests.

Charge Playback

Replay scenarios and reusable case libraries for laboratory reproduction and regression testing.

Built on proven EVCA technology

Field-ready access, decoded charging analysis, synchronized measurements, manipulation and replay in one platform.

Optional extensions

Additional charging interfaces
External power measurement integration
Test automation
Extended simulation
Protocol extensions
Training and application support

One failed charge becomes a reusable engineering asset.

The result is not just another log file. It is a decoded timeline, a validated root-cause hypothesis, a documented evidence package and a replayable test case.

FREQUENTLY ASKED QUESTIONS

EV charging testing and CCS interoperability testing

What is EV charging interoperability testing?

It investigates whether a specific electric vehicle and charging station work together correctly under real operating conditions. It evaluates communication, control signals, timing, authentication and electrical behavior.

How does CCS interoperability testing differ from conformance testing?

Conformance testing verifies an implementation against standardized test cases. CCS interoperability testing examines the actual interaction between a real EV and EVSE and identifies the cause of concrete charging failures.

What does an EV charging test analyze?

Depending on the configuration, an EV charging test can include IEC 61851 signaling, SLAC, DIN 70121 or ISO 15118 communication, timing, charging states, CAN data, voltage, current and stop behavior.

Can EVCA interop test both EVs and EVSEs?

EVCA interop is connected between the EV and EVSE. It analyzes the behavior of both sides and can replay selected EV-side or EVSE-side behavior for laboratory reproduction.

Is EVCA interop an EV tester?

EVCA interop is a specialized EV tester for charging communication and interoperability. Unlike a general electric vehicle tester, it focuses on CCS charging, root-cause validation and session replay.

Can a failed CCS charging session be replayed?

Yes. Relevant communication and behavior from a recorded session can be converted into a repeatable laboratory case for verification and regression testing.

Bring one failed charging case.

See how EVCA interop turns it into a decoded timeline, a verified root-cause hypothesis and a reusable laboratory replay.

REQUEST EVCA INTEROP DEMO

EV CHARGING INTEROPERABILITY TESTING

Turn one failed CCS charging session into a verified and repeatable test case.

Capture the real interaction. Decode the charging process. Validate the suspected cause. Replay the relevant behavior in the lab.

Field cases become reusable assets: every investigation strengthens the next release, the next partner discussion and the next regression test.

Get Started Today

Your Path to Excellence. Revolutionize your EV and EVSE testing with comemso. Here’s how to get started:

Schedule a Demo: See the system in action and explore its full capabilities.
Request a Consultation: Share your requirements, and we’ll design a tailored solution.
Access Resources: Leverage our extensive technical documentation and training materials.

How to order

Are you interested in an EV Charging Analyzer/Simulator? We will create a suitable offer for you.

GET A QUOTE

Contact us

Have questions about our products? Contact us anytime—we’re happy to support you.

START REQUEST

How to order

Are you interested in an EV Charging Analyzer/Simulator? We will create a suitable offer for you.

GET A QUOTE

Contact us

Are you interested in our solutions? Send us a message. We are happy to help.

START REQUEST

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