3.1

Version 9.2 by Admin on 2025/01/30 14:08

Configuration

General information

List of input signals

Here is the list of available input signals of BMS Main 3.

NameAbbr.DescriptionCompabilityCANopen SDOModbus
Mini S / MiniMain 2.1Main 3
Battery cover CVRa signal from the battery cover;YesYesYes  
Charger connected CONa signal indicating that charger is connected;YesYesYes  
Power up/down request PDNa request to power down the device;YesYesYes  
Inhibit charging ICHa command to open the charging contactor;YesYesYes  
Inhibit discharging IDCa command to open the discharging contactor;YesYesYes  
CH contactor feedback CCFa signal from charging contactor feedback loop;YesYesYes  
DCH contactor feedback DCFa signal from discharging contactor feedback loop;YesYesYes  
Insulation status INSa signal from an insulation monitoring device;YesYesYes  
Charge request CREa request to close the charging contactor;YesYesYes  
Discharge request DREa request to close the discharging contactor;YesYesYes  
PCH contactor feedback PCFa signal from precharging contactor feedback loop;YesYesYes  
CH/DCH contactor feedback CDFa signal from charging/discharging contactor feedback loop;YesYesYes  
Main contactor feedback MCFa signal from main contactor feedback loop;YesYesYes  
Interlock  a signal from interlock loop;YesYesYes  
Fuse 1F1signal from fuse 1;YesYesYes  
Fuse 2F2signal from fuse 2;YesYesYes  
Fuse 3 F3signal from fuse 3;YesYesYes  
Circuit breaker status CBSstatus of protection disconnector;YesYesYes  
Balancing request BRa request to balance the cells;YesYesYes  
Close Main contactor CMCa request to close the main contactor;YesYesYes  
Close External 1 CE1a request to close the External 1 discrete output (if assigned).YesYesYes  

List of internal states

Here is the list of available internal states of BMS Main 3.

NameAbbr.DescriptionCompabilityCANopen SDOModbus
Mini S / MiniMain 2.1Main 3
Low SOC LOSa signal corresponding the low SOC of the battery;YesYesYes  
High charging current HCCcharging current is high;YesYesYes  
Main contactor MCOstate of the main contactor;YesYesYes  
Charging CHstate of the charging contactor;YesYesYes  
Allow charging ACHa signal for a charger to start charging;YesYesYes  
Charging current present CCPthe presence of the charging current;YesYesYes  
Precharging PREstate of the precharging contactor;YesYesYes  
Discharging DCHstate of the discharging contactor;YesYesYes  
Discharging current present DCPthe presence of the discharging current;YesYesYes  
Voltage too high for chargingENV Yes    
Discharging (AUX) AUXstate of the auxiliary discharging contactor;YesYesYes  
Power down ACK PDAan acknowledgement of BMS power down. Acknowledgement is outputted when the charge and discharge contactors have been opened on power down request;YesYesYes  
Charging/dischargingC/Dstate of the charging/discharging contactor;YesYesYes  
Heater HEAa command to turn on a heater;YesYesYes  
Cooler COOa command to turn on a cooler;YesYesYes  
Shutdown request (HYG)       
Balancing 1 BA1balancing the first series of cells;YesYesYes  
Balancing 2 BA2balancing the second series of cells;YesYesYes  
Ready to charge RTCthe battery is ready to be charged;YesYesYes  
Ready to discharge RTDthe battery is ready to be discharged;YesYesYes  
Power up PUPan indication of BMS power status;YesYesYes  
General error  state of the configurable (general) error;YesYesYes  
External 1 EX1a signal that activates by the remote request.YesYesYes  

List of errors

Here is the list of error of BMS Main 3.

Name Abbr.DescriptionIs a Critical error?CompabilityCANopen SDOModbus
Mini S / MiniMain 2.1Main 3
OvercurrentOC  YesYesYes  
UndervoltageUV  YesYesYes  
OvervoltageOV  YesYesYes  
Low temperature (DCH) LDTtemperature is too low for discharging; YesYesYes  
High temperature (DCH) HDTtemperature is too high for discharging; YesYesYes  
Battery cover error BCbattery cover is open;YesYesYes  
High humidity HHhumidity of the battery is increased; YesYesYes  
Water WAthere is water in the battery enclosure;YesYesYes  
High Logic temperature LHTat least one of the Logic devices is overheated; YesYesYes  
Logic offline LOFat least one of the Logic devices is offline;YesYesYes  
Critical errorCER  YesYesYes  
Crown error CROconnection with a Crown forklift is lost; YesYesYes  
Cell count error CELnumber of cells does not match the specified value;YesYesYes  
HYG offline HYGconnection with a HYG forklift is lost; YesYesYes  
Need acknowledge ACKthere is an unacknowledged error in Error journal; YesYesYes  
Combilift offline COMconnection with a Combilift forklift is lost; YesYesYes  
Short circuitSHC  YesYesYes  
High contactor temperatureCHT  YesYesYes  
Logic count errorLOG       
ADC error ADCcurrent cannot be measured;YesYesYes  
Current sensor error CSEerror in the current sensor circuit;YesYesYes  
CH contactor cycles error CCCswitching frequency of the charging contactor is too high; YesYesYes  
DCH contactor cycles error DCCswitching frequency of the discharging contactor is too high; YesYesYes  
Shunt offline SHOconnection with the shunt current sensor is lost;YesYesYes  
Shunt error SHEinternal error of the shunt current sensor;YesYesYes  
Settings errorSET       
WDT reset WDTwatchdog timer reset the device;YesYesYes  
No temperature sensors NTSthe device has no temperature sensors connected;YesYesYes  
Temperature sensor is shorted TSSsome temperature sensors are shorted;YesYesYes  
Spirit offline SPIconnection with a Spirit forklift is lost; YesYesYes  
Mount errorMNT  YesYesYes  
FS errorFSE  YesYesYes  
Low temperature (CH) LCTtemperature is too low for charging; YesYesYes  
High temperature (CH) HCTtemperature is too high for charging; YesYesYes  
Unallowable charging UCHcharging the battery through the discharging contactor; YesYesYes  
Stuck contactorSTC YesYesYes  
CH contactor feedback error CCFthe control signals for the charging contactor and the contactor feedback differ; Yes   
DCH contactor feedback error DCFthe control signals for the discharging contactor and the contactor feedback differ; Yes   
Insulation fault;INF YesYesYes  
PCH contactor feedback error PCFthe control signals for the precharging contactor and the contactor feedback differ; Yes   
CH/DCH contactor feedback error CDFthe control signals for the charging/discharging contactor and the contactor feedback differ; Yes   
Main contactor feedback error MCFthe control signals for the main contactor and the contactor feedback differ; Yes   
Contactor feedback errorCFEFailure of one of the contactors feedback signal. Which contactor is failed can be  Yes Yes  
General errorGE  YesYesYes  
High voltage fault HVFfailure of high voltage measuring circuits;  Yes  
Power switch error PSEshort circuit in contactor coil control circuit or power switch overheating;  Yes  
HVIL error HEbreakage of high-voltage interlock current loop;  Yes  
Precharge error PEcapacitive load pre-charge process did not end during the estimated time; YesYesYes  
Power fault PFexternal devices power supply error: current sensors, HVIL, BMS Logic or CAN2 (int) bus powered devices;  Yes  
Current limit error CLEcharging or discharging current is more than limit calculated by Charge map or Discharge map. Yes Yes