Overview
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Type:
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Function
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Available as of:
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V1.0.0.0
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Functional Description
The function FC_BuildIDN builds the structured IDN with the input values from the symbolic addressing (<S/P>-<PS>-<DBN>.<SI>.<SE>). The function verifies the input values. If an input is determined to be invalid, a result code is given. In this case, the return value FC_BuildIDN is set to FALSE.
Interface
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Input
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Data type
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Description
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i_udiSI
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UDINT
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Structure instance of the IDN
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i_udiSE
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UDINT
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Structure element of the IDN
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i_xP
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BOOL
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S/P parameter:
0 (FALSE) = S
1 (TRUE) = P
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i_udiPS
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UDINT
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Parameter set of the IDN
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i_udiIDN
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UDINT
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Data block number of the IDN
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Output
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Data type
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Data type
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q_etResult
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ET_Result
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Result of the function
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q_sResultMsg
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STRING[80]
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Description of the result
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Return Value
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Data type
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Data type
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DWORD
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The return value of the function FC_BuildIDN is the structured IDN as a DWORD or FALSE if any input is determined to be invalid. This return value can be used as the input i_dwParamterIDN for the function blocks FB_ReadParameter and FB_WriteParamter.
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