SysTaskCycleTime block
Short summary
Name |
SysTaskCycleTime |
→POU type |
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Category |
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Graphical interface |
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Available since |
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Functionality
The block returns the cycle time of the →task in the context of which the block is called.
Return value
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Identifier |
Description |
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Return value: |
– |
TIME |
configured cycle time – the cycle time defined within the PLC-object |
Input EN and output ENO are available when →calling the block. See "Execution control: EN, ENO" for information on input EN and output ENO.
Example for usage within ST-editor
FUNCTION_BLOCK TestSysTaskCycleTime
VAR
configured : TIME;
okConfigured : BOOL;
END_VAR
configured := SysTaskCycleTime(ENO=>ENO);
(* Function
'TestSysTaskCycleTime'
returns the configured cycle time. *)
okConfigured := configured = T#500ms;
ENO := AND(ENO, okConfigured);
END_FUNCTION_BLOCK
When creating your application within the ST-editor, enter a call of a block by typing the text as requested by the syntax or use Content Assist.
Restriction for test framework
Do not use this block within a POU under test (see "Testing single POUs by using the test framework") because this block is not supported when a test is executed. Reason: The cycle time is adjusted during the test execution so this block returns faulty data.