Table of Contents

Gateway and communication

The Climkit Gateway is the central communication gateway for all Climkit solutions.

The different equipment items connect to the Gateway via serial bus (RS485-Modbus or MBus) or via IP network (Ethernet or Wi-Fi).

Generally, a single Gateway is sufficient per building. For large sites with multiple buildings, and where the different electrical rooms cannot be connected to each other via bus or IP network, several Gateways are installed.

1. General connection options

The main equipment items that connect to the Gateway are:

  • Meters (RS485-Modbus and MBus)
  • Electric vehicle charging stations (Ethernet or Wi-Fi)
  • RFID readers (Ethernet)
  • Relays and other control modules (RS485-Modbus, Ethernet, or Wi-Fi)

The diagram below indicates the different elements connectable to the Climkit Gateway.

2. Gateway and meter connection

The Gateway connects to the internet via the 4G router or via a local internet connection if available.

The RS485 port allows direct connection of RS485-Modbus electricity meters.

An RS485-MBus converter allows connection of heating and water meters using the MBus communication protocol.

RS485-MBus converter connection

3. Cloud Gateway connection

In some cases, it is possible to omit a Gateway by installing a 4G router or LAN router and an RS485/Ethernet converter.

Currently, this configuration is only possible for reading electricity meters that communicate via the Modbus protocol.

Cloud Gateway with 4G Router

Cloud Gateway with LAN Router

4. Modbus TCP / MBus TCP Communication

Climkit Gateway with RS485-Ethernet converter

It is also possible to read meters with the Climkit Gateway by using an RS485-Ethernet converter with the Modbus TCP protocol.

Reading MBus meters via the RS485-Ethernet converter

It is also possible to read heating and water meters (MBus) with the Climkit Gateway by using an RS485-Ethernet converter.

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