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Flexible NC programming

1.25 Subprogram technique

Job planning

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

197

Example

Execute from local drive

Main program:

Program code

N010 PROC MAIN

N020 ...

N030 EXTCALL ("ROUGHING")

N040 ...

N050 M30

External subprogram:

Program code

N010 PROC ROUGHING

N020 G1 F1000

N030 X= ... Y= ... Z= ...

N040 ...

...

N999999 M17

The "MAIN.MPF" main program is stored in NC memory and is selected for execution.

The "SCHRUPPEN.SPF" or "SCHRUPPEN.MPF" subprogram to subsequently loaded is on

the local drive in the directory "/user/sinumerik/data/prog/WKS.DIR/WST1.WPD".

The subprogram path is preset in SD42700:

SD42700 $SC_EXT_PROG_PATH = "LOCAL_DRIVE:WKS.DIR/WST1.WPD"

Note

Without the path being specified in the SD42700, the

EXTCALL instruction for this example

would have to be programmed as follows:

EXTCALL("LOCAL_DRIVE:WKS.DIR/WST1.WPD/SCHRUPPEN")

Siemens SINUMERIK 828D Programming Manual

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