FB_PLCDBWriteEvt

FB_PLCDBWriteEvt 1:

Function block for writing of records into a database.

Syntax

Definition:

FUNCTION_BLOCK FB_PLCDBWriteEvt
VAR_INPUT
    sNetID: T_AmsNetID := '';
    tTimeout: TIME := T#5S;
END_VAR
VAR_OUTPUT
    bBusy: BOOL;
    bError: BOOL;
    ipTcResult: Tc3_EventLogger.I_TcMessage;
END_VAR

FB_PLCDBWriteEvt 2: Inputs

Name

Type

Description

sNetID

T_AmsNetID

AMS network ID of the target device at which the ADS command is directed.

tTimeout

TIME

Indicates the time before the function is cancelled.

FB_PLCDBWriteEvt 3: Outputs

Name

Type

Description

bBusy

BOOL

TRUE as soon as a method of the function block is active.

bError

BOOL

TRUE when an error occurs.

ipTcResult

Tc3_EventLogger.I_TcMessage

Message interface from the TwinCAT 3 EventLogger, which provides details on the return value.

FB_PLCDBWriteEvt 4: Properties

Name

Type

Access

Description

eTraceLevel

TcEventSeverity

Get, Set

Specifies the weighting of the events. Only events with a weighting higher than this value are sent to the TwinCAT system.

FB_PLCDBWriteEvt 5: Methods

Name

Definition location

Description

Write

Local

Creates a record in the standard table structure specified by Beckhoff.

WriteBySymbol

Local

Reads the value of a specified ADS symbol and saves it in the standard table structure specified by Beckhoff.

WriteStruct

Local

Creates a record with any table structure.

Requirements

Development environment

Target platform

PLC libraries to include

TwinCAT v3.1 Build 4022.20

PC or CX (x86)

Tc3_Database