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Function, Overview – HEIDENHAIN TNC 406 User Manual

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HEIDENHAIN TNC 406, TNC 416

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10.3 Describing Contours through

Mathematical Operations

Function

The Q parameters listed below enable you to program basic
mathematical functions in a part program:

8

Select a Q parameter function: Press the Q key (in the numerical
keypad at right). The dialog FN 0: Assign appears.

8

Select a function directly: Press GOTO, enter the function number,
and select it with the ENT key, or

8

Select a function with the arrow keys: Use the arrow keys to select
the desired function, and confirm your selection with the ENT key.

Overview

To the right of the ”=” character you can enter the following:

„

Two numbers

„

Two Q parameters

„

A number and a Q parameter

The Q parameters and numerical values in the equations can be
entered with positive or negative signs.

Function

FN0: ASSIGN
Example: FN0: Q5 = +60
Assigns a numerical value.

FN1: ADDITION
Example: FN1: Q1 = –Q2 + –5
Calculates and assigns the sum of two values.

FN2: SUBTRACTION
Example: FN2: Q1 = +10 – +5
Calculates and assigns the difference of two values.

FN3: MULTIPLICATION
Example: FN3: Q2 = +3 * +3
Calculates and assigns the product of two values.

FN4: DIVISION
Example: FN4: Q4 = +8 DIV +Q2
Calculates and assigns the quotient of two values.
Not permitted: division by 0

FN5: SQUARE ROOT
Example: FN5: Q20 = SQRT 4
Calculates and assigns the square root of a number.
Not permitted: Square root of a negative number

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