FB_DBConnectionClose

FB_DBConnectionClose 1:

You can close connections to databases with this function block FB_DBConnectionOpen. If you have opened a connection to a database before, it is important to close this connection after using.

VAR_INPUT

VAR_INPUT
    sNetID      : T_AmsNetId;
    hDBID       : DINT;
    bExecute    : BOOL;
    tTimeout    : TIME;
END_VAR

sNetID                  : Is a string containing the AMS network identifier of the target device to which the ADS command is directed.

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

bExecute             : The command is executed with the rising edge.

tTimeout              : States 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          : Supplies the ADS Error Code when the bError output is set.

Requirements

Development environment

Target system type

PLC libraries to be linked

TwinCAT v2.10.0

PC oder CX (x86)

TcDatabase.Lib

TwinCAT v2.10.0

CX (ARM)