F_VN_StopWatchdog
Stops a watchdog and provide runtime information.
Syntax
Definition:
FUNCTION F_VN_StopWatchdog : HRESULT
VAR_INPUT
hrStartWatchdog : HRESULT;
END_VAR
VAR_OUTPUT
nFunctionsMonitored : ULINT;
nFractionProcessed : UDINT;
tRest : DINT;
END_VAR
Inputs
|
Name |
Type |
Description |
|---|---|---|
|
hrStartWatchdog |
HRESULT indicating the result of the function used to start the watchdog (If SUCCEEDED(hrStartWatchdog) equals false, no operation is executed.) |
Outputs
|
Name |
Type |
Description |
|---|---|---|
|
nFunctionsMonitored |
ULINT |
Returns the number of functions monitored |
|
nFractionProcessed |
UDINT |
Returns the fraction processed accumulated over the monitored functions in percent |
|
tRest |
DINT |
Returns the remaining computation time in us (may be negative) |
Further information
The output nFractionProcessed must be interpreted differently depending on the parameterization of the watchdog. This is set with ETcWatchdogAccumulationType when starting the watchdog.
Further information can be found under Watchdogs.
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 |