Motion synchronous actions
10.4 Actions in synchronized actions
Job planning
606 Programming Manual, 07/2010, 6FC5398-2BP40-0BA0
Example of conflict avoidance with TRAILOF
The coupled axis is released again for access as a channel axis by invoking the TRAILOF
function for the axis. It must ensure that
TRAILOF is executed before the channel requests
the axis involved. However, this is not the case in this example
…
N50 WHEN TRUE DO TRAILOF(Y,X)
N60 Y100
…
In this case, the axis is not released early enough because the non-modal synchronized
action becomes active synchronously with
N60 with TRAILOF, see section, Motion-
synchronous action, "Structure, basic information".
To avoid conflict situations the following procedure should be followed:
…
N50 WHEN TRUE DO TRAILOF(Y,X)
N55 WAITP(Y)
N60 Y100
10.4.22 Leading value coupling (LEADON, LEADOF)
Note
This function is not available for SINUMERIK 828D!
Function
The axial leading value coupling can be programmed in synchronized actions without
restriction. The changing of a curve table for an existing coupling without a previous
resynchronization is optionally possible only in synchronized actions.
Syntax
Activate master value coupling
DO LEADON (following axis, leading axis, curve table no., OVW)
Deactivate leading value coupling
DO LEADOF(following axis, leading axis, leading axis 2)
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