Siemens Sinumerik 840D sl Programming Manual page 275

Note
MEASA and MEAWA are non-modal; they can be programmed together in one block. However,
if MEASA/MEAWA is programmed together with MEAS/MEAW in the same block, an error
message is output.
Significance
MEASA
MEAWA
MEAC
<axis>
<mode>
<TE>
<measurement
memory>
Job planning
Programming Manual, 02/2011, 6FC5398-2BP40-1BA0
4.8 Extended measuring function (MEASA, MEAWA, MEAC) (option)
Command: Axial measurement with deletion of distance-to-go
Effective:
Command: Axial measurement without deletion of distance-to-go
Effective:
Command: Continuous axial measurement without deletion of distance-
to-go
Effective:
Name of channel axis used for measurement
Two-digit number indicating the operating mode (measuring mode and
measuring system)
Measuring mode(units decade):
0 Cancel measuring task.
1 Up to 4 different trigger events can be activated simultaneously.
2 Up to 4 trigger events can be activated consecutively.
3 Up to 4 trigger events can be activated consecutively, but with
no monitoring of trigger event 1 on START (alarms 21700/
21703 are suppressed).
Note:
This mode is not supported by MEAC.
Measuring system (tens decade):
0 (or no data)
1
2
3
Trigger event to initiate measurement
Type: INT
Range of values:
Significance:
(+)1 Rising edge of probe 1
-1 Falling edge of probe 1
(+)2 Rising edge of probe 2
-2 Falling edge of probe 2
Number of FIFO (circulating storage)
Special Motion Commands
non-modal
non-modal
non-modal
active measuring system
Measuring system 1
Measuring system 2
Both measuring systems
-2, -1, 1, 2
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