FB_MBUS_EMU_32x7_Option8
This block is used to read electricity meters from EMU:
-EMU32.x7
The parameter set must be set in the device to 70000 hexadecimal (variant 8) in order to read out this data. Please refer to the meter documentation for further information regarding this.
 | In the normal version, the current consumption of the M-Bus interface is equivalent to 3 standard loads. If an M-Bus master interface is used that is designed, for example, for up to 120 standard loads, a maximum of 40 EMU M-Bus meters can be connected. The meter can optionally be supplied with 230 V. The current consumption of the M-Bus interface is then equivalent to one standard load. |
The transmission of data from the EMU meter to the M-Bus protocol computer only works if the EMU meter is connected to at least two phases of the mains voltage network.
The EMU meter transmits current data to the device’s M-Bus interface every 40 seconds, so that the readout data is approx. 40 - 45 seconds old.
The block can only be executed together with the block FB_MBUSKL6781().
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;
usiUnit : USINT;
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).
eBaudrate: 300, 600, 1200, 2400, 4800, 9600 baud (see E_MBUS_Baudrate).
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);
stOperatingHours : ST_MBus_Info;
stActiveEnergyT1 : ST_MBus_Info;
stActiveEnergyT2 : ST_MBus_Info;
stReactiveEnergyT1 : ST_MBus_Info;
stReactiveEnergyT2 : ST_MBus_Info;
stTariff : ST_MBus_Info;
stActivePowerL1 : ST_MBus_Info;
stActivePowerL2 : ST_MBus_Info;
stActivePowerL3 : ST_MBus_Info;
stReactivePowerL1 : ST_MBus_Info;
stReactivePowerL2 : ST_MBus_Info;
stReactivePowerL3 : ST_MBus_Info;
stActivePowerMaxT1 : ST_MBus_Info;
stActivePowerMaxT2 : ST_MBus_Info;
stVoltageL1 : ST_MBus_Info;
stVoltageL2 : ST_MBus_Info;
stVoltageL3 : ST_MBus_Info;
stCurrentL1 : ST_MBus_Info;
stCurrentL2 : ST_MBus_Info;
stCurrentL3 : ST_MBus_Info;
stFrequency : ST_MBus_Info;
stPowerFactorL1 : ST_MBus_Info;
stPowerFactorL2 : ST_MBus_Info;
stPowerFactorL3 : ST_MBus_Info;
stInitCounter : ST_MBus_Info;
stDeviceError : ST_MBus_Info;
bBusy: The bBusy output is TRUE while the meter is being read.
bReady: The bReady output is TRUE for one cycle, once meter reading is completed.
bError: this output goes TRUE as soon as an error occurs. This error is described via the variable eError.
eError: In the event of an error the output issues an error code (see E_MBUS_ERROR). bError goes TRUE at the same time.
dwIdNumber: Serial number of the meter (secondary address).
byStatus: Device status.
byGEN: Software version of the device.
byCounter: Number of times the master has accessed data of the respective slave.
usiRecivedAdr: Received primary address (0-250).
eMedium: Medium (see E_MBUS_Medium).
sMan: Manufacturer code.
stOperatingHours: Operating hours of the EMU meter (see ST_MBus_Info).
stActiveEnergyT1: Meter reading, active energy tariff 1 (see ST_MBus_Info).
stActiveEnergyT2: Meter reading, active energy tariff 2 (see ST_MBus_Info).
stReactiveEnergyT1: Meter reading, reactive energy tariff 1 (see ST_MBus_Info).
stReactiveEnergyT2: Meter reading, reactive energy tariff 2 (see ST_MBus_Info).
stTariff: Current tariff (see ST_MBus_Info).
stActivePowerL1: Instantaneous consumption, effective power L1 (see ST_MBus_Info).
stActivePowerL2: Instantaneous consumption, effective power L2 (see ST_MBus_Info).
stActivePowerL3: Instantaneous consumption, effective power L3 (see ST_MBus_Info).
stReactivePowerL1: Instantaneous consumption, reactive power L1 (see ST_MBus_Info).
stReactivePowerL2: Instantaneous consumption, reactive power L2 (see ST_MBus_Info).
stReactivePowerL3: Instantaneous consumption, reactive power L3 (see ST_MBus_Info).
stActivePowerMaxT1: Maximum effective power tariff 1 (see ST_MBus_Info).
stActivePowerMaxT2: Maximum effective power tariff 2 (see ST_MBus_Info).
stVoltageL1: Current voltage L1 (see ST_MBus_Info).
stVoltageL2: Current voltage L2 (see ST_MBus_Info).
stVoltageL3: Current voltage L3 (see ST_MBus_Info).
stCurrentL1: Current current L1 (see ST_MBus_Info).
stCurrentL2: Current current L2 (see ST_MBus_Info).
stCurrentL3: Current current L3 (see ST_MBus_Info).
stFrequency: Current mains frequency (see ST_MBus_Info).
stPowerFactorL1: Current form factor phase L1 (cos Phi) (see ST_MBus_Info).
stPowerFactorL2: Current form factor phase L2 (cos Phi) (see ST_MBus_Info).
stPowerFactorL3: Current form factor phase L3 (cos Phi) (see ST_MBus_Info).
stInitCounter: Number of power failures at the EMU meter (see ST_MBus_Info).
stDeviceError: Error message from device (see 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
Development environment | required TC3 PLC library |
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TwinCAT from v3.1.4020.14 | Tc2_MBus from 3.3.4.0 |