Lenze EVS93xx FlyingSaw - Manual (Page 22)

FlyingSaw
Features of the Prepared Solution
Prepared Solution Servo PLC / ECSxA 1.1 EN page 2-9
2.5 Oversynchronous synchronisation
The saw axis synchronises on a start signal from the length calculator or a mark on the material.
t
V
sync speed
reverse speed
t
start trigger
(length-
calculator)
t
V
line speed
The trigger for the saw axis is the start signal (start trigger), in the diagram above triggered by
an internal length calculator. The saw axis then starts and catches up all increments that have
passed. After the "oversynchronous" movement the saw is synchronous. Unlike the
"synchronous" synchronisation the axis starts immediately at the cutting mark and catches up all
increments to achieve synchronicity.
Switching between synchronous and oversynchronous operation is performed via the
application control word using the Synchronisation mode bit (default bit 05). Here setting the bit
means that the axis is synchronised synchronously. If the bit is not set the axis moves
oversynchronously during the synchronisation movement.