Variable: VAR_OUTPUT Output variables are used at the outputs of function blocks. You declare VAR_OUTPUT variables between the VAR_OUTPUT and END_VAR keywords in the declaration part of POUs. The valu

For compiler version 3.2.0.0

Variable: VAR_TEMP This functionality is an extension of the IEC 61131-3 standard. You declare temporary variables locally between the keywords VAR_TEMP and END_VAR . VAR_TEMP declarations are possibl

Variable: VAR_STAT This functionality is an extension of the IEC 61131-3 standard. You declare static variables locally between the keywords VAR_STAT and END_VAR . Static variables are initialized on

Variable: VAR_EXTERNAL External variables are global variables that are "imported" into a POU. You declare these variables between the keywords VAR_EXTERNAL and END_VAR . If the global variable does n

of all inputs. OUT := MAX(IN0

of all inputs. OUT := MIN(IN0

Operator: LIMIT The IEC selection operator is used for limiting. OUT := LIMIT(Min, IN, Max) That means: OUT := MIN (MAX (IN, Min), Max) Max is the upper limit and Min is the lower limit for the result

(K, IN0 [...] ULINT UDINT IN0 , …, [...] value is K=0. If K

Operator: GT The IEC operator is used for the "greater than" function. Permitted data types of the operands: any basic data type If the first operand is greater than the second operand, then the opera