HEIDENHAIN TNC 320 User Manual page 299

Compact contouring control

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Program-section repeats

The beginning of a program section repeat is marked by the label

LBL. The end of a program section repeat is identified by

CALL LBL n REPn.

Operating sequence

1 The TNC executes the part program up to the end of the

program section (CALL LBL n REPn)

2 Then the program section between the called LABEL and the

label call CALL LBL n REPn is repeated the number of times

entered after REP

3 The TNC resumes the part program after the last repetition

Programming notes

You can repeat a program section up to 65 534 times in

The total number of times the program section is executed is

always one more than the programmed number of repeats,

because the first repeat starts after the first machining process.

HEIDENHAIN | TNC 320 | Conversational Programming User's Manual | 9/2016

Program-section repeats