LG Electronics PQNFB17C2 User Manual

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ModbusCommissionModbusCommission

Commissioningistheprocessofverifyingthesubsystemstoachievetheowner'sprojectrequirementsasintendedbythebuildingownerandasdesignedbythebuilding

architectsandengineers.

AfterACP5installation,youcanchecktheoperationstatusofthedevicebyusingthewebfunctionbeforeconnectionwiththeBMSsystem.

CreatingofthePoints.ThisisNOTtobedonebyLGsinceitisdirectlyrelatedtotheBMSside.TheBMSengineeristocarryouttheengineeringofthePoint,howeverLGis

responsibleforprovidingthemethodofhowthePointsarecalculated.

PrecautionsPrecautions

TousetheModbusfeature,youmustselect[Settings]>[BACnet/ModbusSetting]>[ModbusTCPenable][Settings]>[BACnet/ModbusSetting]>[ModbusTCPenable]asSetSet.

Incaseofinstalling2ormoreACP5,youmustchange[Settings]>[BACnet/ModbusSetting]>[VnetNumberSetting][Settings]>[BACnet/ModbusSetting]>[VnetNumberSetting]sothattheVnetNumbersarenotduplicate

amongACP5.

TheVnetnumberisusedasaSlaveIDoftheModbusprotocolandcanbesettoavaluefrom1to247.

TheReadSingleCoilscommand(FunctionCode1)canreadupto2,000commandsatatime.TheReadHoldingRegisterscommand(FunctionCode3)canreadupto125

atatime.

UserManualUserManual

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LG PQNFB17C2 ACP IV BACnet Gateway

User Manual - Page 157