Measuring (Meawa, Meac) - Siemens SINUMERIK 840D sl Programming Manual

Motion synchronous actions
10.4 Actions in synchronized actions
10.4.23

Measuring (MEAWA, MEAC)

Function
Compared with use in traverse blocks of the part program, the measuring function can be
activated and deactivated as required.
For further information concerning measuring, see special motion commands "Extended
measuring function"
Syntax
Axial measurement without deletion of distance-to-go
MEAWA[axis]=(mode, trigger_event_1, ..._4)
Continuous measurement without deleting distance-to-go
MEAC[axis]=(mode, measurement_memory, trigger_event_1, ..._4)
Significance
Program code
DO MEAWA
DO MEAC
Axis
Mode
Trigger_event_1
to
trigger_event_4
Measurement
memory
704
Comments
; Switch-in axial measurement
; Switch-in continuous
measurement
; The name of the axis for
which measurement is taken
; Specification of the tens
decade
0: active measuring system
Number of the measuring
systems (depending on the
mode)
1: 1st measuring system
2: 2nd measuring system
3: both measuring systems
; : rising edge, probe
-1: falling edge, probe 1
optional
2: rising edge, probe 2
optional
-2: falling edge, probe 2
optional
; Number of the FIFO
circulating storage
Specification of the units
decade
0: Cancel measuring job
up to 4 trigger events can be
activated
1: concurrently
2: successively
3: as for 2, however no
monitoring of trigger event1 at
the start
Programming Manual, 06/2009, 6FC5398-2BP20-0BA0
Job Planning