FB_DBConnectionClose

FB_DBConnectionClose 1:

The function block FB_DBConnectionClose can be used to make connections with databases. If a connection with a database was opened previously, it must be closed again.

VAR_INPUT

VAR_INPUT
    sNetID   : T_AmsNetId;
    hDBID    : DINT;
    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.

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;
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 if the bError output is set.

Requirements

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