Milltronics PL-551 Informacje Techniczne Pobierz pdf (Strona 340)

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SECTION SIX - PARAMETRIC PROGRAMMING

Rounds (ROUND) rounds a decimal value to an integer value.

Values halfway in-between are rounded up.

ROUND [2.3] = 2

ROUND [7.88] = 8

ROUND [1.5] = 2

ROUND [-1.5] = -2

Values exactly halfway between are rounded to the nearest even number.

ROUND [2.5] = 2

ROUND [3.5] = 4

Mathematic expressions

Any combination of the previously described expressions are made up of arithmetic functions.

Examples: X[SIN[P123]*COS[P124]]

Y[2.5+[P2/P3]*SQRT[P4]]

Z[[P2DIV3]+[P2MOD3]]

Conditional statements

The Centurion 6 supports two types of conditional statements. These statements are used to

transfer control of a program from one point to another based on some condition generated in the

program. These statements are the IF-THEN statement and the WHILE-WEND statement.

IF-THEN

The IF-THEN statement is a way of conditionally executing a block if the results of an

expression evaluates to true. The expression must contain one of the relational operators which

allows the expression to be reduced to either true or false. If the expression is true, the THEN

portion of the IF statement is executed. If the expression is false, the next line after the IF-THEN

statement is executed.

Example of General Form:

[any ] (relational) [any ]

If [mathematical] (operator ) [mathematical] Then any action

[expression ] [expression ]

N20 IF P1 LT P2 THEN GOTO 15

N21

N22 IF P1 < P2 GOTO 15

N21

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