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ifm
Programming Manual ecomatController/60-1 (CR711S) Operating System V2.5.0.n
2017-12-19
Appendix
ifm behaviour models for function blocks
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12.2.3
Behaviour model EXECUTE
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Function blocks that have the EXECUTE behaviour model are processed once after a rising edge at
the xExecute input.
If the function block has executed its function successfully, the output is set xDone = TRUE.
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Response to errors
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In case of an error, xError is set to TRUE and eDiagInfo indicates the error status as long as xExecute
is = TRUE.
The output xDone is set to FALSE since the execution could not be finished successfully.
Irrespective of the data type, all other outputs of the function block will be reset to the following values:
Data type
Value
numerical
0 / 0.0
String
Empty string
BOOL/Bit
FALSE