| Master Controller Features | 
        
            | ITEM | DESCRIPTION | 
        
            | Power Supply | Rated Voltage | DC24V | 
        
            | Functions | Inter-module balancing | Acquire cell voltage data from modules and balance between modules | 
        
            | Manage alarm signals | - Gather alarm information- Activate alarm signal to the host
 (Overcharge, over-discharge, high temperature alarms)
 | 
        
            | Sleep function | In sleep mode unless receiving wake-up signal | 
        
            |  | 
        
            | LED Display | Power | Turn on when the power is on | 
        
            | Error | Turn on when communication errors are detected | 
        
            | Overcharge Alarm | Turn on when Overcharge alam is active | 
        
            | Over-discharge Alarm | Turn on when Over-discharge alam is active | 
        
            | High Temperature Alarm | Turn on when High Temperature Alarm is on | 
        
            |  | 
        
            | Control Signals between
 Modules
 | Input Signals | Overcharge Alarm
 | Receive Overcharge Alarm from modules | 
        
            | Over-discharge Alarm
 | Receive Over-discharge Alarm from modules | 
        
            | High-Temp. Alarm
 | Receive High Temperature Alarm from modules | 
        
            | Output Signals | Wake-up Request
 | Signal to activate modules | 
        
            | Sleep Request | Signal to shift modules | 
        
            | Communications | RS485 | Communicate between master controller and each module | 
        
            |  | 
        
            | Master Controller Features (continued) | 
        
            | ITEM | DESCRIPTION | 
        
            | Control Signals to the
 host
 | Input Signals | Master Sleep Request | Transfer into sleep mode upon receipt | 
        
            | Module Wake-up Request | Wake-up modules upon receipt | 
        
            | Disable Balance Request | Disable balancing function upon request | 
        
            | Error Cancel Request | Cancel error signal upong receipt | 
        
            | Output Signals | Overcharge Alarm | Active when Overcharge Alarm is received from slave modules | 
        
            | Over-discharge Alarm | Active when Over-discharge Alarm is received from slave modules | 
        
            | High Temperature Alarm | Active when High Temperature Alarm is received from slave modules | 
        
            |  | Error Alarm | Active when communicating errors occur | 
        
            |  | Communication Ports
 | RS485 | Communicate between master controller and the host | 
        
            | CAN | 
        
            |  | 
        
            | Switches | DIP SW1 | Determine master ID (4 bit) | 
        
            | DIP SW2 | Determine the number of modules connected to the master (4 bit) | 
        
            | DIP SW3 | Determine master controller mode (4 bit) | 
        
            |  | 
        
            | Outer Dimensions | 155 x 120 x 25 (tentative) | 
        
            | Operational Conditions
 | Temperature Range | -30 ~ 70°C | 
        
            | Storage Temperature Range | -40 ~ 80°C | 
        
            | Humidty Range | 20 ~ 90%RH | 
        
            |  |