Siemens Simovert Masterdrives Compendium page 779

Technology Option F01
Exceptions
9-88
If the engaging length is greater or equal to the master axis cycle
length, the drive switches to constant synchronization after it has
crossed the coupling position with a continuous enable signal applied.
Example:
Position setpoint
master
Speed setpoint
slave
Coupling position
Master axis
cycle length
Static engaging/
disengaging
cycle enable
Fig. 9-36
Coupling position
Master axis
cycle length
6SE7087-6QX70 (Version AN)
Compendium Motion Control
08.2012
Position setpoint
master
Position setpoint
master
Siemens AG
SIMOVERT MASTERDRIVES