FB_DBRecordDelete

FB_DBRecordDelete 1:

The function block FB_DBRecordDelete can be used to delete individual records from a database. This function block can be used to execute SQL DELETE commands with up to 10,000 characters.
To use the function block it is necessary to declare the database from which the records are to be deleted in the XML configuration file.

VAR_INPUT

VAR_INPUT
    sNetID   : T_AmsNetId;
    hDBID    : UDINT;
    cbCmdSize: UDINT;
    pCmdAddr : POINTER TO BYTE;
    bExecute : BOOL;
    tTimeout : TIME;
END_VAR

sNetID: String containing the AMS network ID of the target device, at which the ADS command is directed.

hDBID: Indicates the ID of the database to be used.

cbCmdSize: Indicates the length of the INSERT command.

pCmdAddr: Pointer to the executing INSERT command.

bExecute: The command is executed with a rising edge.

tTimeout: Indicates the time before the function is cancelled.

VAR_OUTPUT

VAR_OUTPUT
    bBusy    : BOOL;
    bError   : BOOL;
    nErrID   : UDINT;
    sSQLState: ST_DBSQLError;
END_VAR

bBusy: The command is in the process of being transmitted by ADS. No new command will be accepted as long as bBusy remains TRUE.

bError: Becomes TRUE, as soon as an error occurs.

nErrID: Returns the ADS error code or TcDatabaseSrv_Error_Codes if the bError output is set.

sSQLState: Returns the SQL error code of the corresponding database type

Requirements

Development environment	Target system type	PLC libraries to be linked
TwinCAT v3.0.0	PC or CX (x86)	Tc2_Database