Siemens SINUMERIK 840D sl Function Manual page 790

P2: Positioning axes
11.6 Block change
Positioning axis type 2
Block change at programmed end point of all path axes
Figure 11-2
Properties of type 2 positioning axis
With SW 5 and lower, type 2 positioning axes have the following behavior:
● The block change occurs (NC block finished) when the path axes have reached their
● The positioning axes can traverse across several block boundaries to their programmed
● Since there is no time relationship between "NC block finished" and the point at which
● If a positioning axis is reprogrammed before it has reached the previous position and
790
Block change with positioning axis type 2, example of sequence
programmed end positions with regard to G601, G602 and G603.
end positions.
type 2 positioning axes reach their programmed end positions, the WAITP coordination
command is provided for the synchronization of the positioning axes (see Section
"Programming").
before the end-of-motion criterion is fulfilled, the "axis cannot be repositioned" alarm is
issued.
Function Manual, 09/2009, 6FC5397-1BP20-0BA0
Extended Functions