Delta ASDA-A3 Series User Manual page 907

Absolute System
◼ After all position data is updated in P0.050 - P0.052, P0.049 is automatically reset to 0. At
that point, the controller can access the values of P0.050 - P0.052.
P0.050 shows the status of the absolute encoder. When the status shows "absolute
◼
10
position lost" or "overflow of number of revolutions", it means the read absolute position is
invalid. In this case, you must re-establish the absolute origin position.
10-26
Start
Set P0.049 to 1 or 2
No
Set P0.049 to 0
Yes
Read
P0.050 - P0.052
End
ASDA-A3