Siemens Sinumerik 840D Operating Turning page 123

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Repetitions of parts of the program

Example with end label and multiple repeat:

N80 G00 X80;

Raw dimension

N100 G00 G42 X=IC(-4) Z1

N110 G01 Z-20

N120 X=IC(6)

N130 G00 G40 Z4

N140 G01 X=IC(-6)

N160 G00 X200 Z300

Roughing tool 2

N180 G96 S180 F0.25 M4 D1

N190 G00 G42 X74 Z4 M8

N200 REPEAT LBL12 EBE12 P4

N210 G00 X200 Z300

With the instruction "REPEAT LBL12 EBE12 P4" the program blocks N90

to N150 are repeated a total of 4 times. After that the program will be con-

tinued with block N210.

Make sure at all times that the markers are written correctly. The control

unit treats these labels as a character chain; an incorrect input can lead to

considerable interruptions in the program.

840D/828D SINUMERIK Operate

Sinumerik 828d