F_VN_StartRelWatchdog
Starts a cooperative watchdog given a stop time relative to the current time.
Syntax
Definition:
FUNCTION F_VN_StartRelWatchdog : HRESULT
VAR_INPUT
tStop : DINT;
hrPrev : HRESULT;
END_VAR
Inputs
|
Name |
Type |
Description |
|---|---|---|
|
tStop |
DINT |
Stop time in us |
|
hrPrev |
HRESULT indicating the result of previous operations (If SUCCEEDED(hrPrev) equals false, no operation is executed.) |
Return valueFurther information
Further information can be found in the chapter Watchdogs.
 | tStop time exceeded Note that the tStop time is slightly exceeded (by a few µs) when the watchdog is triggered. |
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 |