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Plan charging management for eBikes

Jean-Nicolas Turlier Updated by Jean-Nicolas Turlier

This article describes the installation planning. For on-site implementation and equipment configuration on the Climkit platform, refer to the links at the end of the article.

1. Charging management for eBikes

Climkit offers a turnkey solution for charging light electric vehicles (eBikes, scooters, light electric vehicles such as postal delivery tricycles, etc.).

The system combines an RFID reader with a numeric keypad and one or more relay meters. Each relay meter measures the energy consumed and controls the power supply to a dedicated electrical socket.

Operation:

  1. The user identifies themselves with their badge and enters the desired socket number on the keypad.
  2. If the badge is valid, the corresponding relay activates, powering the socket. A transaction is created and the meter takes a first reading.
  3. To finish, the user badges again and enters the socket number. The meter takes a second reading and the energy consumed is recorded on their account.
  4. Via the online platform, Climkit directly bills consumption to users with a per-kWh rate that takes into account both electricity costs and machine maintenance and depreciation costs.

Wiring diagram

Surface-mounted socket installation

Surface-mounted socket installation

Using a socket with an LED indicates when the relay is switched on.

Climkit offer

The standard Climkit offer includes all the elements necessary for the system to operate: hardware equipment, software features, as well as services related to commissioning.

All hardware is provided pre-configured to simplify installation and ensure proper communication between meters.

  • Equipment:
    • LAN router or 4G router
    • Climkit Gateway
    • PoE switch
    • Wi-Fi access point
    • Wi-Fi access point controller
    • RFID reader with keypad
    • Single-phase Wi-Fi relay meter
  • Software features:
    • Management of RFID readers and relay meters for eBikes
  • Commissioning service:
    • Technical coordination and verification of meter readings
    • Administrative commissioning

All products are ordered directly from Climkit.

In most cases, the installation can be carried out by the installer without on-site intervention from a Climkit technician.

Telephone support is available if needed during commissioning.

Equipment details

4G Router

An internet connection is essential for the system to operate. If no connection is available, Climkit can provide it via a 4G router equipped with an active multi-operator SIM card.

Using Climkit's TRB140 4G router offers several advantages:

  • Simplified installation: the router is easily installed inside the electrical panel, directly on the DIN rail
  • Complete delivery: supplied with its DIN rail mount and its 24V DC power supply
  • Ready to use: delivered pre-configured with an activated SIM card
  • Cost-effective 4G subscription: low-cost internet connection

Climkit Gateway

As a gateway between the solution and the web platform, the Gateway uses its RS485 port to connect directly to relay meters and RFID readers.

PoE Switch

When multiple devices need to be connected via Ethernet, a switch is required.

Supplied model: Teltonika TSW200 (or equivalent) - 8 PoE Ethernet ports + 2 SFP fiber optic ports.

The PoE ports directly supply power to the Wi-Fi access points and RFID readers.

The SFP ports allow multiple buildings on a site to be interconnected (see Microgrid diagram) via fiber optics through a single internet router.

The switch is delivered with a DIN rail mount and its 48V DC 150W DIN power supply.

Wi-Fi Access Points

Wi-Fi access points create a wireless network covering the entire parking area, allowing charging stations to be connected without additional cabling.

The recommended coverage radius per access point is approximately 15 m, or roughly two rows of 10 spaces facing each other. In practice, obstacles (walls, materials, vehicles) significantly reduce the range. To ensure a stable and redundant connection, a minimum of 2 access points is systematically provided. As an indication, a parking lot with 80 to 100 spaces requires 4 to 6 access points, depending on the layout and obstacles present.

Useful link: datasheet - TP-Link EAP245 Datasheet

Wi-Fi Access Point Controller

The Omada OC200 controller optimizes the Wi-Fi network and manages device connections across the various access points.

It installs easily on the DIN rail inside the electrical panel and is powered exclusively via PoE from the PoE Ethernet switch.

It also generates alerts in the event of an access point failure or areas with insufficient Wi-Fi signal coverage.

RFID reader with numeric keypad

The RFID reader with numeric keypad allows selecting and switching on distinct loads such as sockets for charging eBikes.

The RFID reader connects to the same IT network as the Gateway via Ethernet and is powered via PoE (through the same Ethernet cable).

Single-phase Wi-Fi relay meter

The Shelly 1PM is a single-phase relay meter (max 16A).

It is generally used to control the activation and deactivation of a T13 or T23 socket into which it fits easily.

It connects via WLAN (Wi-Fi).

2. Next steps

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