HEIDENHAIN TNC 335 Technical Manual - Manual (Page 236)

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TNC 360 7 M Functions 4-139
Example:
Evaluation of the miscellaneous function M03 in the PLC.
PLC output: O10 = Spindle ON/OFF
PLC input: I10 = Acknowledgment of M function
100 LN M1
101 S M1 ;Generate one
.
.
199
L M2045 ;Strobe signal for M function
200 RN M2482 ;Reset acknowledgment of M function
201 CMT 77 ;Evaluation of M function
.
.
901
EM
902 LBL 77
903 CASE W260 ;M code?
904 CM0
905 CM1
906 CM2
907 CM3
.
.
930
ENDC
931 EM
.
.
1170
LBL 3 ;M function M03
1171 L M1
1172 S M2485 ;Status display M03, algebraic sign S analog
1173 R M2486 ;Reset M04
1174 R M2487 ;Reset M05
1175 S O10 ;Spindle ON
1176 L I10 ;Input for acknowledgment of M function?
1177 EM
M2482
M2045
M2485
O10
I10