FB_MBUS_KAM_Multical402

This block is used to read energy meters from Kamstrup.

The block can only be executed together with the block FB_MBUSKL6781().

Functionality of the block

VAR_INPUT

usiAddress   : USINT;
stSecAdr     : ST_MBUS_SecAdr;
eBaudrate    : E_MBUS_Baudrate := eMBUS_Baud2400;
bStart       : BOOL;
bSND_NKE     : BOOL := TRUE;
bReadInit    : BOOL := TRUE;
tMinSendTime : TIME := t#2s;
bDisabled    : BOOL := FALSE; 

usiAddress: Primary address of the meter to be read with this block.

stSecAdr: Secondary address of the meter to be read with this block (see ST_MBUS_SecAdr).

bStart: A positive edge of this input triggers one reading of the meter.

bSND_NKE: TRUE initializes the meter for each read operation and sets the meter to the first telegram (SND_NKE).

bReadInit: If the PLC is restarted, the meter is read once.

tMinSendTime: Standard t#2s. The meter is read again, once the time set here has elapsed. If t#0s the meter is not read and can be read manually with bStart.

usiUnit: Unit of the energy values to be output by the block. 0=W(h) / 1=KW(h) / 2 =MW(h) / 3=GW(h).

bDisabled: TRUE = deselection of the block.

VAR_OUTPUT

bBusy                 : BOOL;
bReady                : BOOL;
bError                : BOOL;
eError                : E_MBUS_ERROR;
dwIdNumber            : DWORD;
byStatus              : BYTE;
byGEN                 : BYTE;
byCounter             : BYTE;
usiRecivedAdr         : USINT;
eMedium               : E_MBUS_Medium;
sMan                  : STRING(3);
stEnergyHeating       : ST_MBus_Info;
stVolume              : ST_MBus_Info;
stOnTime              : ST_MBus_Info;
stTempFlow            : ST_MBus_Info;
stTempReturn          : ST_MBus_Info;
stTempDiff            : ST_MBus_Info;
stPowerActual         : ST_MBus_Info;
stPowerMax            : ST_MBus_Info;
stFlowActual          : ST_MBus_Info;
stFlowMax             : ST_MBus_Info;
stTariff2             : ST_MBus_Info;
stTariff3             : ST_MBus_Info;
stPulseInputA         : ST_MBus_Info;
stPulseInputB         : ST_MBus_Info;
stEnergyCooling       : ST_MBus_Info;
stDateTime            : ST_MBus_Info;
stEnergyHeatingTarget : ST_MBus_Info;
stVolumeTarget        : ST_MBus_Info;
stPowerMaxTarget      : ST_MBus_Info;
stFlowMaxTarget       : ST_MBus_Info;
stTariff2Target       : ST_MBus_Info;
stTariff3Target       : ST_MBus_Info;
stPulseInputATarget   : ST_MBus_Info;
stPulseInputBTarget   : ST_MBus_Info;
stEnergyCoolingTarget : ST_MBus_Info;
stDateTarget          : ST_MBus_Info; 

VAR_IN_OUT

stCom : ST_MBUS_Communication; 

stCom: This structure is used to link the block FB_MBUSKL6781() with the meter blocks (see ST_MBUS_Communication).

Requirements