3.1

Version 8.23 by Admin on 2025/01/30 14:04

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 CON a signal indicating that charger is connected;YesYesYes  
Power up/down request PDN a request to power down the device;YesYesYes  
Inhibit charging ICH a command to open the charging contactor;YesYesYes  
Inhibit discharging IDC a command to open the discharging contactor;YesYesYes  
CH contactor feedback CCF a signal from charging contactor feedback loop;YesYesYes  
DCH contactor feedback DCF a signal from discharging contactor feedback loop;YesYesYes  
Insulation status INS a signal from an insulation monitoring device;YesYesYes  
Charge request CRE a request to close the charging contactor;YesYesYes  
Discharge request DRE a request to close the discharging contactor;YesYesYes  
PCH contactor feedback PCF a signal from precharging contactor feedback loop;YesYesYes  
CH/DCH contactor feedback CDF a signal from charging/discharging contactor feedback loop;YesYesYes  
Main contactor feedback MCF a signal from main contactor feedback loop;YesYesYes  
Interlock   a signal from interlock loop;YesYesYes  
Fuse 1F1 signal from fuse 1;YesYesYes  
Fuse 2F2signal from fuse 2;YesYesYes  
Fuse 3 F3signal from fuse 3;YesYesYes  
Circuit breaker status CBS status of protection disconnector;YesYesYes  
Balancing request BR a request to balance the cells;YesYesYes  
Close Main contactor CMC a request to close the main contactor;YesYesYes  
Close External 1 CE1 a 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 LOS a signal corresponding the low SOC of the battery;YesYesYes  
High charging current HCC charging current is high;YesYesYes  
Main contactor MCO state of the main contactor;YesYesYes  
Charging CH state of the charging contactor;YesYesYes  
Allow charging ACH a signal for a charger to start charging;YesYesYes  
Charging current present CCP the presence of the charging current;YesYesYes  
Precharging PRE state of the precharging contactor;YesYesYes  
Discharging DCH state of the discharging contactor;YesYesYes  
Discharging current present DCP the presence of the discharging current;YesYesYes  
Discharging (AUX) AUX state of the auxiliary discharging contactor;YesYesYes  
Power down ACK PDA an 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 HEA a command to turn on a heater;YesYesYes  
Cooler COO a command to turn on a cooler;YesYesYes  
Balancing 1 BA1 balancing the first series of cells;YesYesYes  
Balancing 2 BA2 balancing the second series of cells;YesYesYes  
Ready to charge RTC the battery is ready to be charged;YesYesYes  
Ready to discharge RTD the battery is ready to be discharged;YesYesYes  
Power up PUP an indication of BMS power status;YesYesYes  
General error   state of the configurable (general) error;YesYesYes  
External 1 EX1 a 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) LDT temperature is too low for discharging; YesYesYes  
High temperature (DCH) HDT temperature is too high for discharging; YesYesYes  
Battery cover error BC battery cover is open;YesYesYes  
High humidity HH humidity of the battery is increased; YesYesYes  
Water WA there is water in the battery enclosure;YesYesYes  
High Logic temperature LHT at least one of the Logic devices is overheated; YesYesYes  
Logic offline LOF at least one of the Logic devices is offline;YesYesYes  
Critical errorCER  YesYesYes  
Crown error CRO connection with a Crown forklift is lost; YesYesYes  
Cell count error CEL number of cells does not match the specified value;YesYesYes  
HYG offline HYG connection with a HYG forklift is lost; YesYesYes  
Need acknowledge ACK there is an unacknowledged error in Error journal; YesYesYes  
Combilift offline COM connection with a Combilift forklift is lost; YesYesYes  
Short circuitSHC  YesYesYes  
High contactor temperatureCHT  YesYesYes  
Logic count errorLOG       
ADC error ADC current cannot be measured;YesYesYes  
Current sensor error CSE error in the current sensor circuit;YesYesYes  
CH contactor cycles error CCC switching frequency of the charging contactor is too high; YesYesYes  
DCH contactor cycles error DCC switching frequency of the discharging contactor is too high; YesYesYes  
Shunt offline SHO connection with the shunt current sensor is lost;YesYesYes  
Shunt error SHE internal error of the shunt current sensor;YesYesYes  
Settings errorSET       
WDT reset WDT watchdog timer reset the device;YesYesYes  
No temperature sensors NTS the device has no temperature sensors connected;YesYesYes  
Temperature sensor is shorted TSS some temperature sensors are shorted;YesYesYes  
Spirit offline SPI connection with a Spirit forklift is lost; YesYesYes  
Mount errorMNT  YesYesYes  
FS errorFSE  YesYesYes  
Low temperature (CH) LCT temperature is too low for charging; YesYesYes  
High temperature (CH) HCT temperature is too high for charging; YesYesYes  
Unallowable charging UCH charging the battery through the discharging contactor; YesYesYes  
Stuck contactorSTC YesYesYes  
CH contactor feedback error CCF the control signals for the charging contactor and the contactor feedback differ; Yes   
DCH contactor feedback error DCF the control signals for the discharging contactor and the contactor feedback differ; Yes   
Insulation fault;INF YesYesYes  
PCH contactor feedback error PCF the control signals for the precharging contactor and the contactor feedback differ; Yes   
CH/DCH contactor feedback error CDF the control signals for the charging/discharging contactor and the contactor feedback differ; Yes   
Main contactor feedback error MCF the 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 HVF failure of high voltage measuring circuits;  Yes  
Power switch error PSE short circuit in contactor coil control circuit or power switch overheating;  Yes  
HVIL error HE breakage of high-voltage interlock current loop;  Yes  
Precharge error PE capacitive load pre-charge process did not end during the estimated time; YesYesYes  
Power fault PF external devices power supply error: current sensors, HVIL, BMS Logic or CAN2 (int) bus powered devices;  Yes  
Current limit error CLE charging or discharging current is more than limit calculated by Charge map or Discharge map. Yes Yes