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Flexible NC programming

1.26 Macro technique (DEFINE ... AS)

Job planning

Programming Manual, 07/2010, 6FC5398-2BP40-0BA0

205

Example 3: External macro file

The macro file must be downloaded into the NC after reading-in the external macro file into

the control. Only then can macros be used in the NC program.

Program code Comments

%_N_UMAC_DEF

;$PATH=/_N_DEF_DIR ; Customer-specific macros

DEFINE PI AS 3.14

DEFINE TC1 AS M3 S1000

DEFINE M13 AS M3 M7 ; Spindle clockwise, coolant on

DEFINE M14 AS M4 M7 ; Spindle counterclockwise, coolant on

DEFINE M15 AS M5 M9 ; Spindle stop, coolant off

DEFINE M6 AS L6 ; Call tool change program

DEFINE G80 AS MCALL ; Deselect drilling cycle

M30

Siemens SINUMERIK 828D Programming Manual

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