Siemens sinumerik 840d Programming Manual page 69

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Create interrupt routine as subprogram

The interrupt routine is identified as a subprogram in

the definition.

Program name LIFT_Z, followed by the NC blocks,

finally end-of-program M17 and return to main

SETINT instructions can be programmed within the

interrupt routine and used to activate additional

interrupt routines. They are triggered via the input.

You will find more information on how to create

subprograms in Chapter 2.

Save interrupt position, SAVE

The interrupt routine can be identified with SAVE in

the definition.

PROC LIFT_Z SAVE

At the end of the interrupt routine the modal G

functions are set to the value they had at the start of

the interrupt routine by means of the SAVE attribute.

The programmable zero offset and the basic offset

are reestablished in addition to the settable zero

offset (modal G function group 8). If the G function

group 15 (feed type) is changed, e.g. from G94 to

G95, the appropriate F value is also reestablished.

Machining can thus be resumed later at the point of

interruption.

SINUMERIK 840D/840Di/810D/FM-NC Programming Guide Advanced (PGA) − 04.00 Edition

Flexible NC Programming

1.14 Interrupt routine

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