Electronic Heat Cost Allocator (EHKV, HCA)

EHKV EURIS3O wM-BUS

The EURIS3O heat cost allocator (wM-Bus) is a next-generation, two-sensor device.

It is highly accurate, can also record and transmit temperature profiles, and is ideally designed for UVI. An external sensor can be added before installation. The Kc values from the predecessor model EURISII can still be used. The display can be set to show relative or absolute values. Freely configurable transmission intervals and protocols make the device versatile. Many parameters can be configured by the customer via the optical interface and also over LoRa radio. A PIN can be used to protect against unauthorized configuration.

Key specifications:

wM-BUS T/C/S mode radio system

1 or 2 sensors

Tamper detection

Configurable transmission interval

Summer reading pause can be enabled May–Sept

15+ year service life

External sensor can be retrofitted

Optical interface for configuration

Self-activation upon installation

Optical interface with PIN

AES 128-bit encryption, Modes 5/7
Documents / Software:

Datasheet

Installation Instructions

User Manual

IST (INNOTAS Setup Tool)
wM-BUS Gateway
The wM-Bus Gateway receives wireless M-Bus protocols in T/C/S mode, filters them as required, stores them temporarily, and sends them to a server over an IP connection. 

The Gateway does not have a mobile data connection. It uses existing networks only. The Gateway is particularly suited to stationary reception of wM-BUS protocols using an existing internet connection. Internet routers are usually already available. As a rule, no router settings need to be changed. 
Simply plug the Gateway into the router’s USB port (using a USB power adapter if needed) and connect it to the router with a network cable.

The Gateway can be configured via a web page, USB interface, or the wM-BUS Gateway Server.
The received wM-BUS protocols can be pre-filtered on the device by manufacturer, medium code and/or individual IDs.
The Gateway sends the received and filtered data to the server immediately, hourly, daily, or monthly.
The server can be the free "wM-BUS to TCP Gateway Server" or an application developed by the user.