GVLs

GVL_CONFIG

GVL GVL_CONFIG()
VAR_GLOBAL CONSTANT:

  • uiNumberOfStrings (UINT) – =========================== Number of active strings ===========================

  • uiNumberOfUnits (UINT) –

VAR_GLOBAL PERSISTENT:

  • axStringEnabled (ARRAY[0..uiNumberOfStrings-1] OF BOOL) –

  • stUnitConfig (ST_UNIT_CONFIG) – =========================== Unit hardware config ===========================

  • stConfigSCSCurrent (ST_ANALOG_IO_CONFIG) – =========================== SCS Current measurement settings ===========================

  • stEWLSCSCurrent (ST_ANALOG_EW_LEVELS) –

  • stEWDSCSCurrent (ST_ANALOG_EW_DELAYS) –

  • rPumpPosolytOnPower (REAL) – =========================== General settings =========================== Pump posolyt on power in %

  • rPumpNegolytOnPower (REAL) – Pump negolyt on power in %

  • rPumpPosolytDisChrgPower (REAL) – Pump posolyt discharge segment without inverter power in %

  • rPumpNegolytDisChrgPower (REAL) – Pump posolyt discharge segment without inverter power in %

  • rPumpshutoffThreshold (REAL) – Unit voltage pumps shutoff threshold (Volt)

  • rMinimumUnitVoltage (REAL) – Minimum unit voltage required for inverter startup (Volt)

  • rMaximumUnitVoltage (REAL) – Maximum unit voltage for fully charged (Volt)

  • rDeltaUnitVoltageShutdownDischarge (REAL) – Delta value to minimum unit voltage for shutdown discharge (Volt)

  • rMaxAbsDiffVoltageUnitsOnModule (REAL) – Maximum absolute voltage difference between units in the same module

  • rMaxAbsDiffVoltageModulesInString (REAL) – Maximum absolute voltage difference between Modules (Volt)

  • diMinimumAbsPowerForEnable (DINT) – Minimum absolute power command to enable battery (Watt)

  • diMaxStringChargingPower (DINT) – Maximum allowed charging power (Watt) per String 24.000 W -> 2.000 W per Unit

  • diMaxStringDischargePower (DINT) – Maximum allowed discharging power (Watt) per String 24.000 W -> 2.000 W per Unit

  • sInverterIpString1 (STRING) – Inverter ip address for string 1

  • sInverterIpString2 (STRING) – Inverter ip address for string 2

  • rAbsShutdownDischargePower (REAL) – Absolute shutdown discharge power (Watt) 12.000 W -> 1.000 W per unit

  • xShutdownDischargeWithInverter (BOOL) – Allow inverter fast shutdown discharge

  • rStringFullyChargedVoltage (REAL) – String fully charged voltage (Volt) 960 V -> 80 V per Unit

  • rStringEmptyVoltage (REAL) – String empty voltage (Volt) (617V is needed for the inverter to start up -> 55.0V per Segment)

  • timUnitStartupTime (TIME) – Unit wait startup time

  • timUnitBalancingStartupTime (TIME) – Unit balancing wait startup time

  • timStringReadyTimeout (TIME) – All modules in string not ready timeout

  • timIsoErrorTimeout (TIME) – Timeout for isolation error

  • rBalancingFactor (REAL) – Balancing factor

  • xDummy (BOOL) – Attr: analysis := ‚-33‘, Dummy to deactivate functions

GVL_MODBUS

GVL GVL_MODBUS()
VAR_GLOBAL:

  • stModbusEMSComm (ST_EMS_MODBUS_INTERFACE) – Modbus interface to customer EMS

  • stBMSErrorReg (ST_MODBUS_REG_13) – Addr: 13.000

  • awWarningsUnitsActive (ARRAY[0..(GVL_CONFIG.uiNumberOfUnits-1)] OF U_UNIT_WARNING_REGISTER) – Addr: 14.000 -> 14.047 Index 0 -> Unit 1, Index 1 -> Unit 2 etc.

  • awErrorsUnitsActive (ARRAY[0..(GVL_CONFIG.uiNumberOfUnits-1)] OF U_UNIT_ERROR_REGISTER) – Addr: 15.000 -> 15.047 Index 0 -> Unit 1, Index 1 -> Unit 2 etc.

GVL_SCADA

GVL GVL_SCADA()
VAR_GLOBAL:

  • stHMIInterface (ARRAY[0..1] OF ST_STRING_HMI_INTERFACE) – Array for string HMI

  • stAckAlarmsButton (ST_HMI_CONTROL_BUTTON) – Acknowledge alarm button

  • stAutomaticModeHMI (ST_AUTO_HMI_INTERFACE) – HMI interface to control the battery throught the HMI

  • eRequestedControlMode (E_BMS_CONTROL_MODE) – Requested control mode by HMI

  • eCurrentControlMode (E_BMS_CONTROL_MODE) – Current control mode

  • xCanChangeControlMode (BOOL) – Can change current control mode

  • diCurrentBatteryPower (DINT) – Current battery power

  • lrChargedPowerValueWH (LREAL) – Last power charged value

  • lrDischargedPowerValueWH (LREAL) – Last power discharged value

  • lrLastCycleUtilityPowerValueWh (LREAL) – Last discharged utility power value

  • eCycleStatus (E_CYCLE_STATUS) – Cycle status

  • xDummy (BOOL) –