MAX block
Short summary
Name |
MAX |
→POU type |
|
Category |
|
Conform to →IEC-standard |
currently restricted |
Graphical interface |
|
Available since |
version 1.22.0 (for logi.CAD 3) |
Functionality
The block returns the maximum value of all values connected at the inputs: MAX(IN1, IN2, ..., IN16)
Inputs, return value
|
Identifier |
Description |
|
Inputs: |
IN1 |
REAL, LREAL, USINT, UINT, UDINT, ULINT, SINT, INT, DINT, LINT, TIME, BOOL, BYTE, WORD, DWORD, LWORD, DATE_AND_TIME, DATE or TIME_OF_DAY |
1st value |
IN2 |
REAL, LREAL, USINT, UINT, UDINT, ULINT, SINT, INT, DINT, LINT, TIME, BOOL, BYTE, WORD, DWORD, LWORD, DATE_AND_TIME, DATE or TIME_OF_DAY |
2nd value |
|
... (extensible until) |
|
||
IN16 |
REAL, LREAL, USINT, UINT, UDINT, ULINT, SINT, INT, DINT, LINT, TIME, BOOL, BYTE, WORD, DWORD, LWORD, DATE_AND_TIME, DATE or TIME_OF_DAY |
16th value |
|
Return value: |
– |
REAL, LREAL, USINT, UINT, UDINT, ULINT, SINT, INT, DINT, LINT, TIME, BOOL, BYTE, WORD, DWORD, LWORD, DATE_AND_TIME, DATE or TIME_OF_DAY |
|
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
PROGRAM Test
VAR
result : INT;
END_VAR
result := MAX(IN1 :=
3
, IN2 :=
345
, IN3 := -
3
, IN4 :=
999
, IN5 :=
4
); (* The variable
'result'
evaluates to
'999'
. *)
END_PROGRAM
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.