HEIDENHAIN ITNC 530 User Manual

HEIDENHAIN iTNC 530 297
8.2 Subprograms
8.2 Subprograms
Procedure
1 The TNC executes the part program up to the block in which a
subprogram is called with CALL LBL
2 The subprogram is then executed from beginning to end. The
subprogram end is marked LBL 0
3 The TNC then resumes the part program from the block after the
subprogram call CALL LBL
Programming notes
 You can call subprograms in any sequence and as often as desired
 A subprogram cannot call itself
 Write subprograms at the end of the main program (behind the block
with M2 or M30)
 If subprograms are located before the block with M2 or M30, they
will be executed at least once even if they are not called
Programming a subprogram
 To mark the beginning, press the LBL SET key
 Enter the subprogram number. If you want to use a
label name, press the LBL NAME soft key to switch
to text entry
 To mark the end, press the LBL SET key and enter the
label number "0"

HEIDENHAIN ITNC 530 Specifications

General

Control Type	CNC
Look-ahead	Yes
Spindle control	Yes
Touch probe cycles	Yes
Operating voltage	24 V DC
Programming	Conversational and DIN/ISO programming
Interpolation	Linear, Circular, Helical
Data Interface	Ethernet, USB, RS-232
Memory	1 GB
Programming Language	HEIDENHAIN plain language
Operating Modes	Manual, Automatic, MDA
Software Options	Various software options available