Siemens SINUMERIK 840D sl Programming Manual page 262

Special motion commands
4.8 Axial measurement (MEASA, MEAWA, MEAC) (option)
Operating mode
The first digit (tens decade) of the operating mode selects the required measuring system. If
only one measuring system is installed, but a second programmed, the installed system is
automatically selected.
The second digit (units decade) selects the required measuring mode. The measuring
process is thus adapted to the options supported by the relevant control:
● Mode 1
● Mode 2
● Mode 3
Note
No more than two trigger events can be programmed if two measuring systems are in
use.
Measurement with and without delete distance-to-go
When command
measured values have been recorded.
The
position always needs to be approached.
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Trigger events are evaluated in the chronological sequence in which they occur. When
this mode is selected, only one trigger event can be programmed for six-axis modules. If
more than one trigger event is specified, the mode selection is switched automatically to
mode 2 (without message).
Trigger events are evaluated in the programmed sequence.
Trigger events are evaluated in the programmed sequence but there is no monitoring of
trigger event 1 at START.
is programmed, the distance-to-go is not deleted until all required
MEASA
function is used in the case of special measuring tasks where a programmed
MEAWA
Programming Manual, 03/2013, 6FC5398-2BP40-3BA1
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