F_VN_StartRelWatchdogExp

F_VN_StartRelWatchdogExp 1:

Start a cooperative watchdog given a stop time relative to the current time. (expert function)

Syntax

Definition:

FUNCTION F_VN_StartRelWatchdogExp : HRESULT
VAR_INPUT
    tStop            : DINT;
    eWatchdogAccType : ETcWatchdogAccumulationType;
    hrPrev           : HRESULT;
END_VAR

F_VN_StartRelWatchdogExp 2: Inputs

Name

Type

Description

tStop

DINT

Stop time in us

eWatchdogAccType

ETcWatchdogAccumulationType

Accumalation method used for combining the results of multiple functions enclosed by this watchdog

hrPrev

HRESULT

HRESULT indicating the result of previous operations (If SUCCEEDED(hrPrev) equals false, no operation is executed.)

F_VN_StartRelWatchdogExp 3: Return value

HRESULT

Required License

TC3 Vision Base

System Requirements

Development environment

Target platform

PLC libraries to include

TwinCAT V3.1.4024.54 or later

PC or CX (x64) with PL50, e.g. Intel 4-core Atom CPU

Tc3_Vision