https://wiki.grnbms.de/
2026-07-22T10:40:07+00:00
https://wiki.grnbms.de/
https://wiki.grnbms.de/lib/exe/fetch.php?media=wiki:logo.pngtext/html2025-01-12T21:07:50+00:00Anonymous (anonymous@undisclosed.example.com)basic_conditions
https://wiki.grnbms.de/doku.php?id=basic_conditions&rev=1736716070&do=diff
1. Firmware
Check if the BMS and all connected devices have the latest firmware installed.To do this, click on Updates → Check updates on the Overview. If new updates are available, update all devices to the latest version.
2. Canbus
It is a prerequisite that the CAN bus is properly terminated! Disconnect the BMS from the power supply and use a multimeter to measure the resistance between CAN High and CAN Low at the respective CAN port where something is connected. The resistance must be 120 …text/html2025-04-07T18:13:33+00:00Anonymous (anonymous@undisclosed.example.com)loxone
https://wiki.grnbms.de/doku.php?id=loxone&rev=1744049613&do=diff
How to Set Up GRNbms MK3 in Loxone via Modbus
* Configure the Modbus settings in GRN OS under the „Network“ menu.
* Open your Loxone Config software and create a Modbus server with the IP address and port of your BMS.
* Download the Modbus template for GRNbms MK3 from the Wiki page.text/html2026-04-08T05:17:11+00:00Anonymous (anonymous@undisclosed.example.com)network_connection
https://wiki.grnbms.de/doku.php?id=network_connection&rev=1775625431&do=diff
Network Settings
⚠️ Power over Ethernet (PoE) is not supported for GRN products and must not be used under any circumstances. The use of PoE with GRN products is strictly prohibited. Any non-compliance with this requirement may result in damage to the equipment. The company assumes no liability for any damages, malfunctions, or consequential losses arising from such misuse.text/html2025-11-06T18:45:50+00:00Anonymous (anonymous@undisclosed.example.com)sidebar
https://wiki.grnbms.de/doku.php?id=sidebar&rev=1762454750&do=diff
GRNbms MK3
Setup
* Quick Start Guide
* Battery Switch
* Message Center
* Network
* Network Connection
* System
* Modbus
* Connections
* Can Bus
* Serial Ports
* Display
* Nextion
* Battery
* Relay Mode
* Cell Management Unit
* Battery Type
* Pack Configuration
* Request Battery Type
* Current Sensor
* Inverter
* Updates
* Miscellaneous
* Sensors
Wiring
* HV Relays
* LV Relays
* Readback Relays
* CAN Bus
* GR…text/html2026-04-08T05:16:29+00:00Anonymous (anonymous@undisclosed.example.com)start
https://wiki.grnbms.de/doku.php?id=start&rev=1775625389&do=diff
Welcome to the GRNbms Wiki
This Wiki provides all the essential information to help you install, configure, and operate your GRNbms MK3 system.
Whether you're setting up your first BMS or fine-tuning an advanced installation, you'll find clear instructions, wiring diagrams, and detailed explanations for every feature.text/html2025-04-27T14:39:26+00:00Anonymous (anonymous@undisclosed.example.com)supported_cmu_s
https://wiki.grnbms.de/doku.php?id=supported_cmu_s&rev=1745764766&do=diff
Supported CMU
GRNcmu
* GRNcmu passive (all variants) - 33 CMU's @ 1 Can Port / 1 GRNcmu handle up to 4 modules
* GRNcmu 18S active - 33 CMU's @ 1 Can Port / 1 GRNcmu handle 1 module
* GRNcmu's have the original OEM board connector, and can re-use OEM celltab cablestext/html2025-06-30T16:34:20+00:00Anonymous (anonymous@undisclosed.example.com)supported_current_sensors
https://wiki.grnbms.de/doku.php?id=supported_current_sensors&rev=1751301260&do=diff
Supported Current Sensor
LEM
* LEM CAB500-C/SP1
* LEM CAB500-C/SP1
* LEM CAB300
Victron Energy
* Smart Shunt Modelle: IP21: 300A, 500A, 1000A, 2000A - IP65: 300A, 500A, 1000A, 2000A
⚠️ Victron VE.Direct communication needs baud rate of 19200kbps.text/html2025-04-27T11:23:40+00:00Anonymous (anonymous@undisclosed.example.com)supported_inverters
https://wiki.grnbms.de/doku.php?id=supported_inverters&rev=1745753020&do=diff
Supported Inverter
Deye HV Hybrid 3PH
* SUN-5K -SG01HP3-EU-AM2
* SUN-6K -SG01HP3-EU-AM2
* SUN-8K -SG01HP3-EU-AM2
* SUN-10K -SG01HP3-EU-AM2
* SUN-12K -SG01HP3-EU-AM2
* SUN-15K -SG01HP3-EU-AM2
* SUN-20K -SG01HP3-EU-AM2
* SUN-25K -SG01HP3-EU-AM2text/html2025-04-07T16:44:10+00:00Anonymous (anonymous@undisclosed.example.com)system
https://wiki.grnbms.de/doku.php?id=system&rev=1744044250&do=diff
System Settings
To access the system settings, go to the sidebar and click on „Network“.
Inside the page, look for the box labeled „System“.
Here you can configure how your BMS identifies itself in the network and on the GRNbms portal.
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