Upload the sketch and check for necessary input scaling adjustments. In calibration mode, the KlausBMS will just output all sensor readings every 10 seconds. Update the voltage sensor scaling if you use other divider resistors.
You can also restore the system to these values any time by issuing the "init" command (see "Runtime commands" below).Ĭonfigure your hardware characteristics and sensor setup first and enable the calibration mode (is enabled on a fresh copy). Most operational configuration values are just initial defaults used when the Arduino EEPROM is empty/invalid. When installing a KlausBMS update later on, you should be able to mostly keep your configuration files and just replace the "KlausBMS.ino" file, but take care to check for configuration changes.
Extract to your Arduino sketchbook folder, start the Arduino IDE and open the sketch.Īll configuration directives are located in the files "TwizyVirtualBMS_config.h" and "KlausBMS_config.h", read these files first to get an overview of the configuration features. Błażej Błaszczyk (LiPo) Klaus Zinser (LiFePO4) download, click the DOWNLOADS button in the top right corner, download the ZIP file.KlausBMS is currently used in Twizy battery projects by: Both log channels also support controlling and configuring the BMS by sending text commands. Log output can be monitored in parallel at the USB serial port and via Bluetooth (if BT module is used). Using the (optional but recommended) current sensor it provides SOC and SOH/capacity measurements based on a (simple) hybrid calculation combining coulomb counting and voltage readings. Drive and recuperation power levels as well as charging current can be controlled following the battery state and condition. The BMS will raise warnings and errors based on voltage and temperature anomalies detected. Both LEM HAC-600-S and Tamura L06P400S05 current sensors have been used successfully, others may work as well (see configuration). See Voltage-Dividers.ods for the default voltage probe resistor values. The hardware setup is following the VirtualBMS example. KlausBMS is capable of monitoring up to 16 cell voltages, two temperature sensors and a current sensor. The BMS can be a very simple one without any communication though, as KlausBMS does the monitoring itself. This is not a fully featured BMS yet (in terms of M= management), it currently relies on an additional standard BMS for cell protection and balancing. This is a battery monitoring system for Renault Twizy based on TwizyVirtualBMS supporting Lithium packs with 14 (LiPo) or 16 (LiFe) cells.
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