StartRelWatchdog

Start a cooperative watchdog given a stop time relative to the current time.

Syntax

Definition:

HRESULT StartRelWatchdog(
    HRESULT                     hrPrev,
    LONG                        tStop,
    ETcWatchdogAccumulationType eWatchdogAccType = WD_ACC_TYPE_PRODUCT
)

Parameters

Name

Type

Default

Description

hrPrev

HRESULT

 

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

tStop

LONG

 

Stop time in us

eWatchdogAccType

ETcWatchdogAccumulationType

WD_ACC_TYPE_PRODUCT

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

StartRelWatchdog 1: Return value

HRESULT

Required License

TC3 Vision Base

System Requirements

Development environment

Target platform

PLC libraries to include

TwinCAT V3.1.4024.59 or later

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

Tc3_Vision