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Charging Test Systems Overview

Eclipseina offers state of the art communication solutions based on DIN70121 and ISO 15118 charging standards for Power-Line-Communication (PLC). These are third-generation vehicle charging products for direct and alternating current charging (DC, AC).

The product range includes EC-CHARGE-TEST, a hardware test solution for use in hardware-in-the-loop (HIL) systems and test stations. The hardware is also suitable for prototyping in charging stations and vehicles.

EC-SIM-EV and EC-SIM-EVSE offer all-in-one solutions for testing communication between vehicles and charging stations. Both systems are ideal for support during product development. Further important areas of ​​application are the end-of-line test (EOLT) during production and the quality assurance before the start of series production.


Implementing DIN 70121 and ISO 15118 Communication Hardware

EC-CHARGE-TEST is a modem solution for charging spots with regards to DIN 70121 and ISO 15118 compliant signalling utilising GreenPhy power line communication (PLC) over pulse width modulation (PWM) technology (ISO layer 1 and 2). The board can be integrated into charging spots and physically connected to the power electronics. The software stack according to DIN 70121 and ISO 15118 is not included but can be provided using EC-SIM-EV or EC-SIM-EVSE.

The main advantage is an integrated Qualcomm GreenPhy chip QCA 700x with a small form factor. With this ARM9 processor including the firmware, the interface for the necessary software stack DIN 70121 and ISO 15118 can be easily used via an Ethernet connection. The PWM is controlled by Ethernet.

EC-SIM-EV and EC-SIM-EVSE Simulation Software

EC-SIM-EV/SE is based on the ISO 15118 / DIN 70121 Compliant Hardware Design of EC-CHARGE-TEST

The application purpose of the EC-SIM-EV/SE is to provide a software solution for the hardware EC-CHARGE-TEST.

This solution for charging spot or EV vehicle simulation is in accordance with DIN 70121 and ISO 15118 compliant signalling utilising GreenPhy power line communication (PLC) over pulse width modulation (PWM) technology (ISO layer 1 and 2). The EC-CHARGE-TEST board can be integrated into charging spots and vehicles.  Another use case is the stand-alone for test purposes of vehicle or charging spot power-line-communication. The software interface adaptations take care of proper data exchange between the power electronics and the EC-SIM-EV/SE.

The EC-SIM-EV and EC-SIM-EVSE simulation software offers a comfortable DIN 70121 and ISO 15118 compliant realisation of the communication requirements.


  • PLC communication via control pilot (CP) and protective earth (PE)
  • PLC over PWM injection circuit
  • Applicable for AC and DC charging
  • Standard compliant simulation software

A detailed description of the respective hardware solution can be found under hardware EC-CHARGE-TEST.

Support and Training

You need consulting for the implementation of tests for charging communication? We support you with the test definition, the test execution and the interpretation of the test results. We would be happy to take over the complete test for you.

The e-learning “Communication in EV charging” enables employees in this field to develop a basic understanding of charging communication within a very short time.

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