HEIDENHAIN TNC 426 (280 476) - Manual (Page 377)

350 9 Programming: Subprograms and Program Section Repeats
9.6 Pr
ogr
amming Examples
8 LBL 1 Set label for program section repeat
9 L IZ-4 R0 F MAX Infeed depth in incremental values (in the open)
10 APPR CT X+2 Y+30 CCA90 R+5 RL F250 Approach contour
11 FC DR- R18 CLSD+ CCX+20 CCY+30 Contour
12 FLT
13 FCT DR- R15 CCX+50 CCY+75
14 FLT
15 FCT DR- R15 CCX+75 CCY+20
16 FLT
17 FCT DR- R18 CLSD- CCX+20 CCY+30
18 DEP CT CCA90 R+5 F1000 Depart contour
19 L X-20 Y+0 R0 F MAX Retract tool
20 CALL LBL 1 REP 4/4 Return jump to LBL 1; section is repeated a total of 4 times.
21 L Z+250 R0 F MAX M2 Retract in the tool axis, end program
22 END PGM PGMWDH MM