Configuration
General information
List of input signals
Here is the list of available input signals of BMS Main 3.
| Name | Description | Where is used | Settable via | ||
| Discrete input | CAN | Modbus | |||
| Battery cover | a signal from the battery cover; | Battery cover protection | • | ||
| Charger connected | a signal indicating that charger is connected; | Charge controller, Discharge controller | • | • (if corresponding External equipment is online) | |
| Power up/down request | a request to power down the device; | Power down controller | • | ||
| Inhibit charging | a command to open the charging contactor; | • | |||
| Inhibit discharging | a command to open the discharging contactor; | • | |||
| CH contactor feedback | a signal from charging contactor feedback loop; | Contactor feedback protection | • | ||
| DCH contactor feedback | a signal from discharging contactor feedback loop; | Contactor feedback protection | • | ||
| Insulation status | a signal from an insulation monitoring device; | Insulation protection | • | ||
| Charge request | a request to close the charging contactor; | Charge controller | • | • (by request) | |
| Discharge request | a request to close the discharging contactor; | Discharge controller | • | • (by request) | |
| PCH contactor feedback | a signal from precharging contactor feedback loop; | Contactor feedback protection | • | ||
| CH/DCH contactor feedback | a signal from charging/discharging contactor feedback loop; | Contactor feedback protection | • | ||
| Main contactor feedback | a signal from main contactor feedback loop; | Contactor feedback protection | • | ||
| Interlock | a signal from interlock loop; | Interlock protection | • | ||
| Fuse 1, Fuse 2, Fuse 3 | signals from fuses; | • | |||
| Circuit breaker status | status of protection disconnector; | • | |||
| Balancing request | a request to balance the cells; | Cell balance controller | • | • | |
| Close Main contactor | a request to close the main contactor; | Main contactor controller | • | • (by request) | |
| Close External 1 | a request to close the External 1 discrete output (if assigned). | • | |||
List of internal states
Here is the list of available internal states of BMS Main 3.
| Name | Description | Where is used | Shared via | ||
| Discrete output | CAN | Modbus | |||
| Low SOC | a signal corresponding the low SOC of the battery; | Low SOC controller | • | ||
| High charging current | charging current is high; | Charge controller, Discharge controller | • | • (if corresponding External equipment is online) | |
| Main contactor | state of the main contactor; | Power down | • | ||
| Charging | state of the charging contactor; | • | |||
| Allow charging | a signal for a charger to start charging; | • | |||
| Charging current present | the presence of the charging current; | Contactor feedback protection | • | ||
| Precharging | state of the precharging contactor; | Contactor feedback protection | • | ||
| Discharging | state of the discharging contactor; | Insulation protection | • | ||
| Discharging current present | the presence of the discharging current; | Charge controller | • | • (by request) | |
| Discharging (AUX) | state of the auxiliary discharging contactor; | Discharge controller | • | • (by request) | |
| 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; | Contactor feedback protection | • | ||
| Charging/discharging - state of the charging/discharging contactor; | Contactor feedback protection | • | |||
| Heater | a command to turn on a heater; | Contactor feedback protection | • | ||
| Cooler | a command to turn on a cooler; | Interlock protection | • | ||
| Balancing 1 | balancing the first series of cells; | • | |||
| Balancing 2 | balancing the second series of cells; | • | |||
| Ready to charge | the battery is ready to be charged; | Cell balance | • | • | |
| Ready to discharge | the battery is ready to be discharged; | Main contactor | • | • (by request) | |
| Power up | an indication of BMS power status; | • | |||
| General error | state of the configurable (general) error; | ||||
| External 1 | a signal that activates by the remote request. | ||||