0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 0 1 2 3 4 5 0 1 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 0 1 2 3 4 5 0 1 2 3 4 5 6 7 8 1 2 1 2 0 1 2 3 4 Flow Battery String Model String Index Index of the string within the bank. Indices are one-based. Module Count Number of modules in this string. Connected Module Count Number of electrically connected modules in this string. Max Module Voltage Maximum voltage for all modules in the string. Measurement. Max Module Voltage Module Module with the maximum voltage. Min Module Voltage Minimum voltage for all modules in the string. Measurement. Min Module Voltage Module Module with the minimum voltage. Average Module Voltage Average voltage for all modules in the string. Calculation based on measurements. Max Cell Voltage Maximum voltage for all cells in the string. Measurement. Max Cell Voltage Module Module containing the cell with the maximum voltage. Max Cell Voltage Stack Stack containing the cell with the maximum voltage. Min Cell Voltage Minimum voltage for all cells in the string. Measurement. Min Cell Voltage Module Module containing the cell with the minimum voltage. Min Cell Voltage Stack Stack containing the cell with the minimum voltage. Average Cell Voltage Average voltage for all cells in the string. Calculation based on measurements. Max Temperature Maximum electrolyte temperature for all modules in the string. Measurement. Max Temperature Module Module with the maximum temperature. Min Temperature Minimum electrolyte temperature for all modules in the string. Measurement. Min Temperature Module Module with the minimum temperature. Average Temperature Average electrolyte temperature for all modules in the string. Calculation based on measurements. String Event 1 Alarms, warnings and status values. Bit flags. Communication Error BMS is unable to communicate with modules. Over Temperature Alarm Battery string has exceeded maximum operating temperature Over Temperature Warning Battery string is approaching maximum operating temperature. Under Temperature Alarm Battery string has exceeded minimum operating temperature Under Temperature Warning Battery string is approaching minimum operating temperature. Over Charge Current Alarm Battery string maximum charge current has been exceeded. See AChaMax in model S 802. Over Charge Current Warning Approaching battery string maximum charge current. See AChaMax in model S 802. Over Discharge Current Alarm Battery string maximum discharge current has been exceeded. See ADisChaMax in model S 802. Over Discharge Current Warning Approaching battery string maximum discharge current. See ADisChaMax in model S 802. Over Voltage Alarm Battery string voltage has exceeded maximum limit. Over Voltage Warning Battery string voltage is approaching maximum limit. Under Voltage Alarm Battery string voltage has exceeded minimum limit. Under Voltage Warning Battery string voltage is approaching minimum limit. Under State of Charge Minimum Alarm Battery string state of charge has reached or exceeded SoCMin. Under State of Charge Minimum Warning Battery string state of charge is approaching SoCMin. Over State of Charge Maximum Alarm Battery string state of charge has reached or exceeded SoCMax. Over State of Charge Maximum Warning Battery string state of charge is approaching SoCMax Voltage Imbalance Warning A voltage imbalance exists between the modules in the string. Reserved Reserved bit. Do not implement. Reserved Reserved bit. Do not implement. Contactor Error A contactor failed to open or close as requested. Fan Error One or more battery string fans has failed. Ground Fault Error Ground fault detected. Open Door Error One or more doors are open. Reserved Reserved bit. Do not implement. Other String Alarm A vendor specific alarm has occurred. See EvtVnd1 and EvtVnd2 for more information. Other String Warning A vendor specific warning has occurred. See EvtVnd1 and EvtVnd2 for more information. Fire Alarm A fire has been detected. Configuration Alarm The battery string has been configured incorrectly and will not operate. Configuration Warning The battery string has been configured incorrectly and may not operate as expected. String Event 2 Alarms, warnings and status values. Bit flags. Leak Alarm A leak has been detected. Pump Alarm A pump has experienced an alarm condition or some other error. High Pressure Alarm Pressure exceeds maximum value. High Pressure Warning Pressure approaching maximum value. Low Flow Alarm Flow exceeds minimum value. Low Flow Warning Flow approaching minimum value. Vendor Event Bitfield 1 Vendor defined events. Vendor Event Bitfield 2 Vendor defined events. Scale factor for voltage. Scale factor for temperature. Scale factor for state of charge. Scale factor for open circuit voltage. Pad Pad register. Module Index Index of the module within the string. Indices are one-based. Stack Count Number of stacks in this module. Module Status Current status of the module. Module Is Enabled Module is enabled and will connect next time battery is asked to connect. Contactor Status Module contactor is closed. If module has multiple contactors, indicates that all contactors are closed. Module State of Charge State of charge for this module. Open Circuit Voltage Open circuit voltage for this module. External Voltage External voltage fo this module. Maximum Cell Voltage Maximum voltage for all cells in this module. Measurement. Max Cell Voltage Cell Cell with the maximum cell voltage. Minimum Cell Voltage Minimum voltage for all cells in this module. Measurement. Min Cell Voltage Cell Cell with the minimum cell voltage. Average Cell Voltage Average voltage for all cells in this module. Calculation based on measurements. Anolyte Temperature Catholyte Temperature Contactor Status Contactor 0 Closed Contactor 1 Closed Contactor 2 Closed Contactor 3 Closed Contactor 4 Closed Contactor 5 Closed Contactor 6 Closed Contactor 7 Closed Contactor 8 Closed Contactor 9 Closed Contactor 10 Closed Contactor 11 Closed Contactor 12 Closed Contactor 13 Closed Contactor 14 Closed Contactor 15 Closed Contactor 16 Closed Contactor 17 Closed Contactor 18 Closed Contactor 19 Closed Contactor 20 Closed Contactor 21 Closed Contactor 22 Closed Contactor 23 Closed Contactor 24 Closed Contactor 25 Closed Contactor 26 Closed Contactor 27 Closed Contactor 28 Closed Contactor 29 Closed Contactor 30 Closed Module Event 1 Alarms, warnings and status values. Bit flags. Communication Error Module is unable to communicate with the BMS or other components. Over Temperature Alarm Module has exceeded maximum operating temperature Over Temperature Warning Module is approaching maximum operating temperature. Under Temperature Alarm Module has exceeded minimum operating temperature Under Temperature Warning Module is approaching minimum operating temperature. Over Charge Current Alarm Module maximum charge current has been exceeded. See AChaMax in model S 802. Over Charge Current Warning Approaching module maximum charge current. See AChaMax in model S 802. Over Discharge Current Alarm Module maximum discharge current has been exceeded. See ADisChaMax in model S 802. Over Discharge Current Warning Approaching module maximum discharge current. See ADisChaMax in model S 802. Over Voltage Alarm Module voltage has exceeded maximum limit. Over Voltage Warning Module voltage is approaching maximum limit. Under Voltage Alarm Module voltage has exceeded minimum limit. Under Voltage Warning Module voltage is approaching minimum limit. Under State of Charge Minimum Alarm Module state of charge has reached or exceeded SoCMin. Under State of Charge Minimum Warning Module state of charge is approaching SoCMin. Over State of Charge Maximum Alarm Module state of charge has reached or exceeded SoCMax. Over State of Charge Maximum Warning Module state of charge is approaching SoCMax. Voltage Imbalance Warning A voltage imbalance exists between the stacks in the module. Reserved Reserved bit. Do not implement. Reserved Reserved bit. Do not implement. Contactor Error A contactor failed to open or close as requested. Fan Error One or more module fans has failed. Ground Fault Error Ground fault detected. Open Door Error One or more doors are open. Reserved Reserved bit. Do not implement. Reserved Reserved bit. Do not implement. Reserved Reserved bit. Do not implement. Fire Alarm A fire has been detected. Configuration Alarm The battery module has been configured incorrectly and will not operate. Configuration Warning The battery module has been configured incorrectly and may not operate as expected. Module Event 2 Alarms, warnings and status values. Bit flags. Leak Alarm A leak has been detected. Pump Alarm A pump has experienced an alarm condition or some other error. High Pressure Alarm Pressure exceeds maximum value. High Pressure Warning Pressure approaching maximum value. Low Flow Alarm Flow exceeds minimum value. Low Flow Warning Flow approaching minimum value. Connection Failure Reason No Failure Connect did not fail. Button Pushed A button was pushed which prevented connection. Ground Fault Ground fault during auto-connect. Outside Voltage Range Outside voltage target window during auto-connect. Module Not Enabled The module is not enabled. Fuse Open A fuse is open which prevents connection. Contactor Failure A contactor failed to operate. Precharge Failure A failure during precharge occurred. Module Fault A module fault has occurred. See ModEvt1 and ModEvt2 for more information. Enable/Disable Module Enables and disables the module. Should reset to 0 upon completion. Enable Module Enable the module. Disable Module Disable the module. Connect/Disconnect Module Connects and disconnects the module. Should reset to 0 upon completion. Connect Module Connect the module. Disconnect Module Disconnect the module. Disabled Reason Reason why the module is currently disabled. No Reason No reason provided. Fault A fault has occurred which caused the module to be disabled. Maintenance The module has been disabled for maintenance reasons. External The module has been disabled by an external user or controller. Other The module has been disabled for some other reason.