EMS-ESP and KM200 Interface
npm install iobroker.ems-esp!Logo
!Number of Installations (latest)
!Number of Installations (stable)
Tests: !Test and Release
The adapter supports an interface towards the heating systems from Bosch Group using EMS or EMS+ bus.
(Bosch / Buderus / Junkers / Netfit etc).
* km200, km200 hrv, km100, km50, HMC300 or IP-inside (from Bosch Group)
* ems-esp gateway (https://github.com/emsesp/EMS-ESP32) with the ESP32 chip.
The adapter is tested for the ems-esp gateway with latest stable firmware version
Latest dev versions of firmware might not work stable with the ioBroker adapter. Use is on own risk.
PLEASE BE AWARE OF REGULAR CHANGES OF EMS_ESP FIRMWARE - THE ioBROKER ADAPTER MIGHT NOT WORK WITH !!!
* New Bosch-Group Cloud-Gateways (MX300 / EasyControl ...) are not supported since they do not support LAN API !
The ioBroker ems-esp adapter can read and write data to both gateways to control all heating components.
It can be used either for the original Bosch-Group gateways or the ems-esp or both in parallel.
All changed states from own scripts or the object browser does have to set acknowledged = false !!!
German documentation: https://github.com/tp1de/ioBroker.ems-esp/blob/main/doc/ems-esp-ds.pdf
English documentation: https://github.com/tp1de/ioBroker.ems-esp/blob/main/doc/ems-esp-es.pdf
German ioBroker forum: https://forum.iobroker.net/topic/45862/neuer-adapter-ems-esp-f%C3%BCr-bosch-heizungen
* New version for ems-esp module: All entity types are now read without being selected by checkboxes:
temperature- and analogsensor, custom and scheduler entities
* The adapterversion >= 7.0.0 supports only ems-esp firmware versions >= 7.2.0
Copyright (c) 2025-2026 Thomas Petrick (tp1de)
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