FB_BA_AI_IO
The function block represents the object for an analog input.
It is used to map a measured value within the project structure.
The process variables for linking the function block to the bus terminal are available within the function block.
Inheritance hierarchy
FB_BA_Base
Syntax
FUNCTION_BLOCK FB_BA_AI_IO EXTENDS FB_BA_BaseAI IMPLEMENTS I_BA_RawAI
VAR_INPUT CONSTANT PERSISTENT
{region 'Variable Parameters'}
{attribute 'parameterCategory':='Hardware'}
fResolution : REAL := XBA_Param.fInput_DefResolution;
{attribute 'parameterCategory':='Hardware'}
fScaleOffset : REAL := XBA_Param.fInput_DefScaleOffset;
{endregion}
END_VAR
VAR
{region 'Raw I/O'}
nRawState AT %I* : USINT;
nRawDataIn AT %I* : INT;
{endregion}
END_VAR
Inputs CONSTANT PERSISTENT
Name | Type | Description |
|---|---|---|
fResolution | REAL | Default value for the Resolution parameter of inputs (XBA_Param.fInput_DefResolution). |
fScaleOffset | REAL | Default value for the Offset parameter of outputs(XBA_Param.fInput_DefScaleOffset). |
VAR
Name | Type | Description |
|---|---|---|
nRawState | USINT | Variable for linking the status information of a terminal. |
nRawDataIn | INT | Variable for linking the raw data of an analog input terminal. |
Requirements
Development environment | Required PLC library |
|---|---|
TwinCAT from v3.1.4024.35 | Tc3_XBA from v5.3.0.0 |