Motion synchronous actions
10.4 Actions in synchronized actions
Job planning
10-38 Programming Manual, 03/2006 Edition, 6FC5398-2BP10-1BA0
Position offset in the basic coordinate system
With the system variable $AA_OFF[axis] on overlaid movement of each axis in the
channel is possible. It acts as a position offset in the basic coordinate system.
The position offset programmed in this way is overlaid immediately in the axis concerned,
whether the axis is being moved by the program or not.
Limit main run variable output:
It is possible to limit the absolute value to be corrected (main run variable output) to the
value stored in the setting data
SD 43350: AA_OFF_LIMIT.
Using the machine data MD 36750: AA_OFF_MODE defines the mode of overlaying
distance:
0: Proportional evaluation
1: Integrating evaluation
With system variable $AA_OFF_LIMIT[axis] a directional scan to see whether the offset
value is within the limits is possible. These system variables can be scanned from
synchronized actions and, when a limit value is reached, it is possible to stop the axis or set
an alarm.
0: Offset value not in range
1: Limit of offset value reached in the positive direction
-1: Limit of offset value reached in the negative direction
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