Siemens SINUMERIK 840D Programming Manual

Job planning
Programming Manual, 03/2006 Edition, 6FC5398-2BP10-1BA0
2-1
Subroutines, Macros
2
2.1 2.1 Using subroutines
Function
In principle, a subroutine has the same structure as a parts program. It consists of NC blocks
with traversing and switching commands.
Basically, there is no difference between a main program and a subroutine. The subroutine
contains either machining operations or sequences of operations that are to be performed
several times.
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Siemens SINUMERIK 840D Specifications

General

Series	SINUMERIK 840D
Axes	Up to 31
Channels	Up to 10
Operating System	Windows-based
Power Supply	24 V DC
Control Unit Type	CNC
Interface	Ethernet, PROFIBUS
Display	TFT color display
Interpolation	Spline
PLC	Integrated PLC
Data Storage	CompactFlash, USB