3.1 General information

Version 8.6 by Admin on 2025/01/30 13:15

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   a signal from the battery cover;YesYesYes  
Charger connected   a signal indicating that charger is connected;YesYesYes  
Power up/down request   a request to power down the device;YesYesYes  
Inhibit charging   a command to open the charging contactor;YesYesYes  
Inhibit discharging   a command to open the discharging contactor;YesYesYes  
CH contactor feedback   a signal from charging contactor feedback loop;YesYesYes  
DCH contactor feedback   a signal from discharging contactor feedback loop;YesYesYes  
Insulation status   a signal from an insulation monitoring device;YesYesYes  
Charge request   a request to close the charging contactor;YesYesYes  
Discharge request   a request to close the discharging contactor;YesYesYes  
PCH contactor feedback   a signal from precharging contactor feedback loop;YesYesYes  
CH/DCH contactor feedback   a signal from charging/discharging contactor feedback loop;YesYesYes  
Main contactor feedback   a signal from main contactor feedback loop;YesYesYes  
Interlock   a signal from interlock loop;YesYesYes  
Fuse 1, Fuse 2, Fuse 3   signals from fuses;YesYesYes  
Circuit breaker status   status of protection disconnector;YesYesYes  
Balancing request   a request to balance the cells;YesYesYes  
Close Main contactor   a request to close the main contactor;YesYesYes  
Close External 1   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   a signal corresponding the low SOC of the battery;YesYesYes  
High charging current   charging current is high;YesYesYes  
Main contactor   state of the main contactor;YesYesYes  
Charging   state of the charging contactor;YesYesYes  
Allow charging   a signal for a charger to start charging;YesYesYes  
Charging current present   the presence of the charging current;YesYesYes  
Precharging   state of the precharging contactor;YesYesYes  
Discharging   state of the discharging contactor;YesYesYes  
Discharging current present   the presence of the discharging current;YesYesYes  
Discharging (AUX)   state of the auxiliary discharging contactor;YesYesYes  
Power down ACK   an acknowledgement of BMS power down. Acknowledgement is outputted when the charge and discharge contactors have been opened on power down request;YesYesYes  
Charging/discharging state of the charging/discharging contactor;YesYesYes  
Heater   a command to turn on a heater;YesYesYes  
Cooler   a command to turn on a cooler;YesYesYes  
Balancing 1   balancing the first series of cells;YesYesYes  
Balancing 2   balancing the second series of cells;YesYesYes  
Ready to charge   the battery is ready to be charged;YesYesYes  
Ready to discharge   the battery is ready to be discharged;YesYesYes  
Power up   an indication of BMS power status;YesYesYes  
General error   state of the configurable (general) error;YesYesYes  
External 1   a signal that activates by the remote request.YesYesYes  

List of errors

Here is the list of error of BMS Main 3.

Name Abbr.Description CompabilityCANopen SDOModbus
    Mini S / MiniMain 2.1Main 3 
OvercurrentOC       
UndervoltageUV       
OvervoltageOV       
Low temperature (DCH) LDT temperature is too low for discharging;      
High temperature (DCH) HDT temperature is too high for discharging;      
Battery cover error BC battery cover is open;Yes     
High humidity HH humidity of the battery is increased;      
Water WA there is water in the battery enclosure;Yes     
High Logic temperature LHT at least one of the Logic devices is overheated;      
Logic offline LOF at least one of the Logic devices is offline;Yes     
Critical errorCRE       
Crown error CRO connection with a Crown forklift is lost;      
Cell count error CEL number of cells does not match the specified value;Yes     
HYG offline HYG connection with a HYG forklift is lost;      
Need acknowledge   there is an unacknowledged error in Error journal;      
Combilift offline   connection with a Combilift forklift is lost;      
Short circuit        
High contactor temperature        
ADC error   current cannot be measured;Yes     
Current sensor error   error in the current sensor circuit;Yes     
CH contactor cycles error   switching frequency of the charging contactor is too high;      
DCH contactor cycles error   switching frequency of the discharging contactor is too high;      
Shunt offline   connection with the shunt current sensor is lost;Yes     
Shunt error   internal error of the shunt current sensor;Yes     
WDT reset   watchdog timer reset the device;Yes     
No temperature sensors   the device has no temperature sensors connected;Yes     
Temperature sensor is shorted   some temperature sensors are shorted;Yes     
Spirit offline   connection with a Spirit forklift is lost;      
Low temperature (CH)   temperature is too low for charging;      
High temperature (CH)   temperature is too high for charging;      
Unallowable charging   charging the battery through the discharging contactor;      
Stuck contactor  Yes     
CH contactor feedback error   the control signals for the charging contactor and the contactor feedback differ;Yes     
DCH contactor feedback error   the control signals for the discharging contactor and the contactor feedback differ;Yes     
Insulation fault;  Yes     
PCH contactor feedback error   the control signals for the precharging contactor and the contactor feedback differ;Yes     
CH/DCH contactor feedback error   the control signals for the charging/discharging contactor and the contactor feedback differ;Yes     
Main contactor feedback error   the control signals for the main contactor and the contactor feedback differ;Yes     
General error        
High voltage fault   failure of high voltage measuring circuits;Yes     
Power switch error   short circuit in contactor coil control circuit or power switch overheating;Yes     
HVIL error   breakage of high-voltage interlock current loop;Yes     
Precharge error   capacitive load pre-charge process did not end during the estimated time;      
Power fault   external devices power supply error: current sensors, HVIL, BMS Logic or CAN2 (int) bus powered devices;Yes     
Current limit error   charging or discharging current is more than limit calculated by Charge map or Discharge map.