K5: Mode groups, channels, axis interchange
5.3 Channels - only 840D sl
Extended Functions
Function Manual, 03/2013, 6FC5397-1BP40-3BA1
315
Channel 2:
Program code Comment
N112 G18 G64 X200 Z200 F567 ; Machining in channel 2.
N120 WAITMC(1,2,3) ; Conditional wait for marker 1 from channels 2
and 3.
... ; Further machining in channel 2 because the
WAITMC is added to block N312.
... ; Further machining in channel 2.
N170 M30 ; End channel 2.
Channel 3:
Comment
; During travel, M555 read-in disable.
N300 ; Machining in channel 3.
N312 G18 G64 D1 X180 Z300 M555
N320 WAITMC(1,2,3) ; Wait because of ELSP.
5.3.3 Running-in channel-by-channel
Function
For multi-channel systems, using the function "channel-by-channel running-in", the part
program of a selected channel can be actually tested at the machine. The other channels are
then in the "program test" state. This means that when starting all channels, only the axes of
the selected channel are actually traversed.
In addition, for individual axes/spindles, whose channel is in the "program test" state, users
have the option of suppressing the "program test" state and actually operating these
axes/spindles together with those of the selected channel.
Advantage
For multi-channel systems, generating part programs places high demands on the ability of
the programming engineer to think in abstract terms. By using the function "channel-by-
channel running-in", testing these part programs can be more selectively arranged with less
associated risk.
Application
The function "channel-by-channel running-in" is used for:
● Multi-channel systems
● Machines with POSA or command axis motion
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