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HS-7S44A-700W-A6
Helithtech
Product Description
BMS Mainboard Specifications:
Monitoring: Monitors battery voltage, current, and temperature in real-time.
Protection: Provides overcurrent, overvoltage, undervoltage, and overtemperature protection.
Battery Health Estimation: Estimates remaining capacity and battery health based on collected data.
Balancing: Balances individual cell voltages during charging and discharging to improve overall battery pack performance.
Control: Controls charging and discharging processes to ensure safe operation.
Communication: Interfaces include CAN bus, RS-485, and UART for external system communication.
Data Logging: Records historical data for diagnostic and analysis purposes.
Alerts: Generates alerts and alarms for critical events to prevent damage and ensure user safety.
Software: Embedded software for configuration, data logging, and alarm settings.
Dimensions: Compact form factor for integration into various portable energy storage systems.
Compatibility: Designed to work with various battery chemistries and configurations.
Efficiency: Optimized power management algorithms for energy efficiency.
Integration: Seamlessly integrates with battery management software and external displays.
Reliability: Robust design to ensure long-term, reliable operation.
Certifications: Complies with relevant safety and industry standards.
Please note that these specifications can vary based on the specific BMS mainboard model and manufacturer.
Functional Features
Highly Integrated Analogue Front End
Isolated Power Supply Circuit
Integrated Serial Port IC
High Monomer Voltage Accuracy
High Current Accuracy
4-Way Battery Temperature Detection
SOC Estimation Function
SOH Estimation Function
Short Circuit Protection Function
Adjustable Over-Current Protection
Multiple Sleep And Wake-Up Modes
Low Power Consumption
RS485, UART Communication
Adjustable Parameter Settings
High Data Refresh Rate
Online Upgrade Function
Charge Equalization Function
High SOC Accuracy
Parameters
No. | Indicator Items | Factory Default Parameters | Value | Is It Possible To Set | Remark | |||
Minimum Value | Nominal Value | Maximum Value | ||||||
1 | Monomer Overcharge Protection | Monomer Overcharge Alarm Voltage Ucl | 3630mV | ±5mV | ±8mV | ±10mV | Settable | |
Monomer Overcharge Protection Voltage Uup | 3650mV | ±5mV | ±8mV | ±10mV | Settable | |||
Monomer Overcharge Protection Delay | 2.0S | Settable | ||||||
Monomer Overvoltage Protection Disengaged | Release Voltage of Monomer Over-Discharge Protection | 3350mV | ±5mV | ±8mV | ±10mV | Settable | ||
Discharge Release | 放电电流>1A | |||||||
2 | Monomer Over-Discharge Protection | Monomer Over-Discharge Warning Voltage Udo | 2700mV | ±5mV | ±8mV | ±10mV | Settable | |
Monomer Over-Discharge Protection Voltage Ude | 2500mV | ±5mV | ±8mV | ±10mV | Settable | |||
Monomer Over-Discharge Protection Delay | 5.0S | Settable | ||||||
Monomer Over-Discharge Protection Disengaged | Release Voltage of Monomer Over-Discharge Protection | 2800mV | ±5mV | ±8mV | ±10mV | Settable | ||
Release When Charging | activated by connecting to the charger | |||||||
3 | Total Overcharge Protection | Total Overcharge Warning Voltage | 57.6V | ±60mV | ±110mV | ±160mV | Settable | |
Total Overcharge Protection Voltage Ucp | 58.4V | ±60mV | ±110mV | ±160mV | Settable | |||
Total Overcharge Protection Delay | 3.0S | Settable | ||||||
Total Overvoltage Protection Disengaged | Release Voltage of Total Overcharge Protection | 53.6V | ±60mV | ±110mV | ±160mV | Settable | ||
Discharge Release | discharge current > 1A | |||||||
4 | Total Over-Discharge Protection | Total Over-Discharge Warning Voltage | 43.2V | ±60mV | ±110mV | ±160mV | Settable | |
Total Over-Discharge Protection Voltage Udp | 40.0V | ±60mV | ±110mV | ±160mV | Settable | |||
Total Over-Discharge Protection Delay | 5.0S | Settable | ||||||
Total Over-Discharge Protection Disengaged | Release Voltage of Total Over-Discharge Protection | 44.8V | ±60mV | ±110mV | ±160mV | Settable | ||
Release When Charging | activated by connecting to the charger | |||||||
5 | Charging Overcurrent Protection | Charging Overcurrent Warning Current Icm | 29A | ±0.3A | ±0.6A | ±0.9A | Settable | |
Charging Overcurrent Protection Current Icp | 30A | ±0.3A | ±0.6A | ±0.9A | Settable | |||
Charging Overcurrent Protection Delay | 5.0S | Settable | ||||||
Charging Overcurrent Protection Disengaged | Discharge Release | discharge current > 1A | ||||||
6 | Discharging Overcurrent 1 Protection | Alarm Current of Discharging Overcurrent 1 Idm | 67A | ±1A | ±1.5A | ±2A | Settable | |
Protection Current of Discharging Overcurrent 1 | 87A | ±1A | ±1.5A | ±2A | Settable | |||
Protection Delay of Discharging Overcurrent 1 | 5.0S | Settable | ||||||
Discharging Overcurrent 1 Protection Disengaged | Charge Release | Charging current > 1A | ||||||
7 | Discharge Overcurrent 2 | Protection Current of Discharging Overcurrent 2 | 软件设置75A模拟前端的过流保护最小值为90A) | ±1A | ±1.5A | ±2A | Settable | |
Protection Delay of Discharging Overcurrent 2 | 3000mS | Settable | ||||||
Discharge Overcurrent 2 Protection Disengaged | Charge Release | Charging current > 1A | ||||||
8 | Short Circuit Protection | Short Circuit Protection Current | >300A | |||||
Short Circuit Protection Delay | 300μS | |||||||
Short Circuit Protection Disengaged | Short-circuit protection will be disengaged when charging | |||||||
Short-circuit protection will be automatically lifted after 1 min when the load is removed. | ||||||||
9 | MOS High Temperature Protection | Temperature Value of MOS High Temperature Warning | 87℃ | Settable | ||||
Temperature Value of MOS High Temperature Protection | 90℃ | Settable | ||||||
Release Temperature of MOS Protection | 80℃ | Settable | ||||||
10 | Cell Temperature Protection | Temperature Value of Charging Low Temperature Warning | 3℃ | Settable | ||||
Temperature Value of Charging Low Temperature Protection | 0℃ | Settable | ||||||
Release Temperature of Charging Low Temperature Protection | 6℃ | Settable | ||||||
Temperature Value of Charging High Temperature Warning | 47℃ | Settable | ||||||
Temperature Value of Charging High Temperature Protection | 50℃ | Settable | ||||||
Release Temperature of Charging High Temperature Protection | 47℃ | ±2℃ | Settable | |||||
Temperature Value of Discharge Low Temperature Warning | -20℃ | Settable | ||||||
Temperature Value of Discharge low temperature protection | -23℃ | Settable | ||||||
Release Temperature of Discharge Low Temperature Protection | -17℃ | Settable | ||||||
Temperature Value of Discharge High Temperature Warning | 57℃ | Settable | ||||||
Temperature Value of Discharge High Temperature Protection | 60℃ | Settable | ||||||
Release Temperature of Discharge High Temperature Protection | 55℃ | Settable | ||||||
11 | Ambient Temperature Alarms | Temperature Value of Ambient Low Temperature Warning | -20℃ | Settable | ||||
Temperature Value of Ambient Low Temperature Protection | -23℃ | Settable | ||||||
Release Temperature of Ambient Low Temperature Protection | -17℃ | Settable | ||||||
Temperature Value of Ambient High Temperature Warning | 57℃ | Settable | ||||||
Temperature Value of Ambient High Temperature Protection | 60℃ | Settable | ||||||
Release Temperature of Ambient High Temperature Protection | 55℃ | Settable | ||||||
12 | Equalization Function | The Voltage When The Equalization Function is Turned On | 3300mV | Settable | ||||
The Differential Pressure When The Equalization Function is Turned On | 30mV | Settable | ||||||
13 | Full Charge Judgement | Full Charge Voltage | >58.2V | ±60mV | ±110mV | ±160mV | Settable | Stop charging after the current and voltage are met, and update the SOC to 100% |
Cut-off Current | <1A | Settable | ||||||
14 | Positive secondary overcharge voltage protection | Secondary charging monomer protection | 3.8V | Not Settable | ||||
Monomer Overcharge Protection Delay | 3~5S | |||||||
15 | Continuous charging current | Icr | <30A | ±0.3A | ±0.6A | ±0.9A | ||
Continuous discharging current | Idr | ≤65A | ±1A | ±1.5A | ±2A | |||
16 | Current Consumption | Nominal Mode | 4.5~10mA | Not Settable | ||||
Sleeping Mode | 120~200uA | Not Settable | ||||||
Main circuit resistance | 6~10mR | Not Settable |
Precautions
Precautions and Considerations for BMS Mainboard:
Safety First: Always prioritize safety when working with the BMS mainboard and associated components. Follow manufacturer guidelines and wear appropriate protective gear.
Qualified Personnel: Installation, maintenance, and troubleshooting should be performed by qualified personnel familiar with battery systems and electronics.
Voltage Awareness: Be cautious of high voltages present in the battery system. Ensure proper insulation and isolation when handling the mainboard.
Proper Ventilation: Ensure proper ventilation to dissipate heat generated during operation. Avoid placing the BMS mainboard in enclosed or poorly ventilated spaces.
Environmental Conditions: Operate the BMS mainboard within specified temperature and humidity ranges to ensure optimal performance and longevity.
Correct Wiring: Double-check wiring connections, ensuring correct polarity and secure connections to prevent electrical faults.
Electrostatic Discharge (ESD): Handle the mainboard components with ESD precautions to avoid damaging sensitive electronics.
Compatibility: Ensure the BMS mainboard is compatible with the battery chemistry, voltage, and configuration you are using.
Calibration: Follow calibration instructions carefully, if applicable, to ensure accurate readings and proper functionality.
Regular Inspection: Periodically inspect the mainboard for any signs of physical damage, loose connections, or abnormal behavior.
Software Updates: Keep the embedded software up to date if the manufacturer provides updates, as these may include important enhancements or fixes.
Emergency Protocols: Familiarize yourself with emergency shutdown procedures in case of abnormal behavior, overtemperature, or other critical situations.
Documentation: Keep all user manuals, datasheets, and technical documentation readily accessible for reference.
Testing: Before deploying the BMS mainboard in a critical application, conduct thorough testing to ensure it operates as intended.
User Training: Train users or operators on the basics of the BMS mainboard, its functions, and appropriate actions in case of alarms or warnings.
Legal and Regulatory Compliance: Ensure that the BMS mainboard and associated system comply with relevant safety and industry standards.
Remember that these considerations may vary based on the specific BMS mainboard model, battery system, and application. Always refer to the manufacturer's documentation for detailed guidance.