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Type
| Function |
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Description
| Determines the maximum value of the operands connected to the inputs. |
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Notes
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- The output data type must be equal or greater than the input data types.
- The function is an overloaded function. It can operate on various input data types.
- Further inputs can be added.
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Parameters
| Inputs
 IN1
| Data type: | ANY_ELEMENTARY |
| Description: | First input value. |
IN2
| Data type: | ANY_ELEMENTARY |
| Description: | Second input value. |
Output
OUT
| Data type: | ANY_ELEMENTARY |
| Description: | Output value. |
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Error behavior | Error behavior
The following table shows the errors which may occur while executing the function and the value returned by the function in the corresponding error case.
| Error case | Output value |
| Any input = NaN | IN1 value |
| Any input = Inf+ | IN1 value |
| Any input = Inf- | IN1 value |
| Resulted string too short | Empty string |
Note
String comparison: In case of a string error, the function returns the empty string ''. Furthermore, the controller runtime logs the error in its error catalog and a corresponding error message is shown in the Error List. |
Note
Controller stop on string error: The controller can be automatically stopped when a string error occurs. This allows you to locate the error in your project. To enable the automatic stop of the controller in case of a string error, activate the  button in the Cockpit toolbar of the controller. |
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Additional information
| EN/ENO behavior
The POU is only executed if TRUE is applied to the EN input. If EN = FALSE, the POU is not executed and ENO = FALSE indicates the inactivity.
If any of the errors listed under "Error behavior" occurs while executing the function, ENO is set to FALSE.
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