FB_MBUS_ChangeAdr
The primary address can be changed using the function block FB_MBUS_ChangeAdr.
The function block can only be executed together with the function block FB_MBUSKL6781().
Inputs
VAR_INPUT
usiAdrOld : USINT;
usiAdrNew : USINT;
eBaudrate : E_MBUS_Baudrate := eMBUS_Baud2400;
bStart : BOOL;
bDisabled : BOOL:=FALSE;
END_VAR
Name | Type | Description |
|---|---|---|
usiAdrOld | USINT | Old primary address |
usiAdrNew | USINT | New primary address |
eBaudrate | 300, 600, 1200, 2400, 4800, 9600 baud | |
bStart | BOOL | A positive edge at this input triggers a change of the primary address of the meter. |
bDisabled | BOOL | TRUE = deselection of the function block |
Inputs/outputs
VAR_IN_OUT
stCom : ST_MBUS_Communication;
END_VAR
Name | Type | Description |
|---|---|---|
stCom | This structure is used to link the function block FB_MBUSKL6781() with the meter blocks. |
Outputs
VAR_OUTPUT
bBusy : BOOL;
bReady : BOOL;
bError : BOOL;
eError : E_MBUS_ERROR;
END_VAR
Name | Type | Description |
|---|---|---|
bBusy | BOOL | The bBusy output is TRUE as long as the meter is being read. |
bReady | BOOL | The bReady output is TRUE for one cycle, once meter reading is completed. |
bError | BOOL | This output goes TRUE as soon as an error occurs. This error is described via the eError variable. |
eError | In the event of an error, the output issues an error code and bError becomes TRUE at the same time. |
Requirements
Development Environment | PLC library to include |
|---|---|
TwinCAT from v3.1.4020.14 | Tc2_MBus from 3.3.5.0 |