Siemens SINUMERIK 840D sl Function Manual page 468
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K5: Mode groups, channels, axis interchange
6.3 Channels - only 840D sl
Channel 2:
%200
N200
N210 SETM(7)
...
N250 SETM(8)
N260 M30
Channel 3:
%300
N300
...
N350 WHEN <condition> DO SETM(7)
N360 M30
Example of WAITMC and read-in disabled
M555 is output in channel 3 while the axis is traversing and generates a read-in disabled
(RID). As the WAITMC is appended to BLOCK N312, the wait mark is set and processing in
channel 2 continues.
Channel 2:
N112 G18 G64 X200 Z200 F567
N120 WAITMC(1,2,3)
...
...
...
N170 M30
Channel 3:
N300
N312 G18 G64 D1 X180 Z300 M555
N320 WAITMC(1,2,3)
468
; Processing in Channel 2
; Channel 2 sets wait marker 7
; Additional processing in Channel 2
; Channel 2 sets wait marker 8
; End Channel 2
; Processing in Channel 3
; set wait marker in a synchronous action
; Additional processing in Channel 3
; End Channel 3
; Processing in Channel 2
; Channel 2 sets wait markers 1, 2 and 3
; Additional processing in Channel 2, as
; WAITMC is added to block N312.
; Additional processing in Channel 2
; End Channel 2
; during travel read-in disabled M555
; Processing in Channel 3
; wait because of RID
Function Manual, 09/2009, 6FC5397-1BP20-0BA0
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