Difference between revisions of "MC-Basic:WDCYCLE"

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Latest revision as of 16:24, 2 May 2017

Language: English  • 中文(简体)‎

Once a task has been attached to the watch dog mechanism (with the WDINIT), the watch dog must be serviced using WDCYCLE. The watch dog begins to Terminal the task after it is serviced for the first time. Thereafter, WDCYCLE is issued periodically, within the specified cycle time. Otherwise, a Watch Dog fault is generated (1006: “Task Stuck”).

Syntax

WDCycle(<watch dog variable>)

Availability

All versions

Type

<watch dog variable>: Long

Range

The value of the variable is given by WDINIT.

Scope

Task or Terminal

Limitations

  • Write only
  • Not supported in EtherCAT system

Examples

WdCycle(MyVar)                                       ‘service the watch dog

See Also