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SSL Energie


Charging station with billing system

photo: SSL Energie

With Pay-Charge the Bavarian company SSL Energie has launched a charging station for public and commercial applications: continuous charging from 3.7 kW to 22 kW. All present-day electric vehicles with a charge controller according to IEC 61851-22 can be charged.

The charge regulator complies with state-of-the-art technology. The complete control technology is located in a weatherproof and sturdy housing. An galvanized steel with plastic coated base ensures steady positioning. Pay-Charge is also very suitable for wall box solutions (wall-mounted), e.g. in car parks. The data exchange of the charging station with the charge controller of the electric car via the ISO/EIC 15118 Powerline Communication (PLC) for plug & charge and consumer management systems is an integral part.

A PLC modem makes an Ethernet connection available, which can be used to communicate with the Internet Protocol (IP), to implement activities such as authentication, certifcate management and verifcation as well as changing the charging parameters and automatic payment processing. Error handling intercepts possible errors. This ensures ever safe and successful charging (incl. payment). he charge regulator takes care of monitoring the internal hardware such as meter, user interface module or socket.

A calibrated MID-certifed meter shows the customer in kWh the amount of electrical energy he/she filled into the car. Payment is made without the use of cash by means of the proven and tested RFID reader using a contactless RFID card.

To start charging, an activated RFID card merely needs to be held to the reader. Depending on the provider or operator, charging/activation and payment can also be carried out using an app by scanning a QR code at the charging point. The provider’s/operator’s backend system allows communication with the charge regulator.
IT interface OCPP in the 1.5 and 1.6 versions makes the integration into modern billing systems extremely easy. Furthermore, the charge regulator is smart grid compatible because of the standard OCPP function. It also has an integrated 4G modem and supports 2.5G Edge and 3G UMTS mobile networks. A SIM card is required for online operation; this is not included in delivery. The device is equipped with a DC residual current detection. As a result, only one residual current circuit breaker type A is required on site.

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